7 Best Photo Vault Apps for iPhone in 2026 (Tested)

We tested 7 vault apps. Only 1 encrypts files with real AES-256-GCM.

Most photo vault apps on the App Store are PIN screens in front of unencrypted files. We downloaded seven of the most popular options, stored test photos in each one, and checked whether the files were actually encrypted or just hidden from the interface. We also read every privacy policy and documented exactly what data each app collects.

The results: only one app in this list encrypts files with AES-256-GCM and operates on a zero-knowledge architecture. Several others store your photos in readable formats that any forensic tool can extract. Here is what we found.

How We Ranked These Apps

Every app was evaluated on five criteria, weighted by importance to actual photo security:

1. Encryption standard (40%). Does the app encrypt individual files? What algorithm? Can the files be read if someone extracts the device storage? We tested this by storing a photo, then checking the app's container files via a Mac connection.
2. Privacy and data collection (25%). What does the privacy policy say? What does the App Store privacy nutrition label report? Does the app contain ads or share data with third parties?
3. Account requirement (15%). Does the app require an email, phone number, or account creation? An account tied to a privacy app is itself a privacy liability.
4. Feature set (10%). Backup options, sharing, file type support, camera integration.
5. Pricing and value (10%). Free tier limitations, subscription costs, lifetime options.

We weighted encryption and privacy at 65% combined because that is the entire point of a vault app. An app that hides photos behind a PIN but leaves them unencrypted is not a vault. It is a folder with a lock screen.

Quick Comparison Table

1. Vaultaire -- Best Overall Encryption

Encryption: AES-256-GCM (files) + ChaCha20 (metadata) + PBKDF2/HMAC-SHA512 key derivation Data collection: Anonymous crash reports only, opt-in Account required: No Pricing: Free (5 vaults, 100 files per vault) / $1.99/mo / $9.99/yr / $29.99 lifetime

Vaultaire is the only app in this list that encrypts every file individually with AES-256-GCM, the same authenticated encryption standard used by the US government for classified data (NIST SP 800-38D). Each file gets a unique initialization vector, so identical photos produce different encrypted outputs.

The key derivation matters here. Instead of a PIN or password, you draw a pattern on a 5x5 grid of 25 dots. That pattern is fed through PBKDF2 with a per-vault salt to produce a 256-bit encryption key. The pattern is never stored. There is no "wrong password" error. An incorrect pattern simply produces a key that decrypts data into noise. This is not access control. This is cryptographic protection.

Encryption verification test: Files stored in Vaultaire's container are indistinguishable from random data when examined through a Mac connection or forensic tools. There are no readable image headers, no EXIF data, no JPEG signatures. The encrypted output looks identical to random noise.

The plausible deniability architecture is genuinely unique. Every pattern opens a different vault, and there is no master index revealing how many vaults exist. Storage padding keeps the total disk usage constant regardless of vault count. A forensic examiner can confirm Vaultaire is installed, but cannot determine how many vaults exist or what they contain.

Pros:

• AES-256-GCM with per-file IVs and authenticated encryption
• Zero-knowledge architecture: the developer cannot access your data
• Plausible deniability with no configuration flags a forensic tool could find

Cons:

• iOS only, no Android version
• Newer app with fewer App Store reviews than established competitors
• No folder organization within vaults (different vaults serve this purpose)

Verdict: Vaultaire is the only app in this roundup that treats encryption as the product, not an afterthought. If your threat model includes someone with physical access to your device or forensic tools, this is the only option here that withstands that level of scrutiny. The pattern-based key derivation is a meaningful advancement over PIN entry. The tradeoffs are real: it is iOS-only, newer, and less proven by sheer user volume than apps like Keepsafe. But on the security architecture, nothing else in this category comes close.

Read our detailed comparison pages for Vaultaire vs each competitor

2. Keepsafe -- Most Popular, Cloud-Dependent

Encryption: Claims encryption for premium tier (server-side key management) Data collection: Email address, device identifiers, usage analytics, crash data Account required: Yes (email required) Pricing: Free (limited) / $23.99/yr / $107.99 lifetime

Keepsafe is the most downloaded photo vault app on the App Store, with over 369,000 ratings. It offers cloud backup, album organization, and a clean interface. The premium tier claims to encrypt photos.

The issue is the architecture. Keepsafe requires an email account and stores files on its servers. The company holds the encryption keys, which means Keepsafe (or anyone who compromises Keepsafe's servers) can technically access your photos. This is encryption for transport and storage, not zero-knowledge encryption. If Keepsafe receives a court order, they can comply.

Encryption verification test: Files stored in Keepsafe's local container show modified image files, but the encryption is tied to your account credentials managed by Keepsafe's servers. Deleting your account erases access, but the server-side key management means the company holds the capability to decrypt.

The "forgot password" flow confirms this: you can reset your password via email and regain access to your photos. In a true zero-knowledge system, losing your credentials means losing your data permanently.

Pros:

• Large user base and long track record (founded 2012)
• Cloud backup and cross-device sync
• Clean, polished interface with album organization

Cons:

• Requires email account, creating an identity link to your private photos
• Server-side key management means Keepsafe holds decryption capability
• Free tier contains ads and functionality restrictions

Verdict: Keepsafe is a capable photo organizer with access control. It protects against casual snooping: someone picking up your phone cannot see your photos without the PIN. It does not protect against Keepsafe itself, server breaches, or legal compulsion. If your threat model is a nosy roommate, Keepsafe works. If your threat model includes data subpoenas or targeted attacks, the server-side architecture is the weak point.

Vaultaire vs Keepsafe: detailed comparison

3. Private Photo Vault -- PIN-Only, No File Encryption

Encryption: None (PIN-based access control) Data collection: Device identifiers, usage analytics Account required: No Pricing: Free (limited) / $19.99/yr

Private Photo Vault is one of the oldest apps in the category, with nearly a million App Store ratings. It uses a PIN to gate access to the app. The photos behind that PIN are stored as standard image files.

Encryption verification test: Files stored in Private Photo Vault's container directory are readable JPEG and PNG files. Connecting the phone to a Mac and navigating to the app's document storage reveals the photos in their original format, with EXIF data intact. The PIN prevents access through the app's UI, but does not prevent access through the file system.

This is the critical distinction between access control and encryption. A PIN lock is a door. Encryption is a wall. Private Photo Vault offers a door.

Pros:

• Simple, straightforward interface
• No account required
• Large user base with extensive App Store reviews

Cons:

• No file-level encryption: photos are readable via file system access
• EXIF metadata preserved, revealing location and timestamp data
• Free tier contains ads

Verdict: Private Photo Vault hides photos from someone casually scrolling your camera roll. It does not protect them from anyone with technical knowledge, forensic tools, or even a Mac cable. If you need actual encryption, this is not it.

Vaultaire vs Private Photo Vault: detailed comparison

4. Calculator# -- Calculator Disguise, Limited Encryption

Encryption: Claims encryption for some content Data collection: Device identifiers, analytics Account required: No Pricing: Free (limited) / $29.99/yr

Calculator# disguises itself as a working calculator app. Enter a specific PIN and the calculator interface slides away to reveal the hidden vault. It is a clever piece of social engineering: someone browsing your home screen sees a calculator, not a vault app.

The security model relies on obscurity. If someone knows to look for calculator vault apps (and they are widely known at this point), the disguise fails. The app's privacy label shows data collection for analytics, and the encryption claims are vague. The App Store listing references encryption without specifying the algorithm or key management approach.

Encryption verification test: The disguise is effective at the UI level. At the file level, protection is inconsistent. Some stored files show signs of processing but lack the uniform randomness of properly encrypted data.

Pros:

• Calculator disguise is effective against casual inspection
• Functional calculator that does not raise suspicion
• Supports photos, videos, and documents

Cons:

• Security depends on obscurity, not cryptographic strength
• Encryption claims are vague with no algorithm specified
• Most expensive annual plan in this roundup at $29.99/yr

Verdict: Calculator# solves a specific problem: preventing someone from knowing a vault app exists on your phone. That is valuable against casual snooping. But disguise is not encryption. If someone knows to look for it (or uses forensic tools), the calculator costume does not help. At $29.99/year, it is also the most expensive option here for what amounts to a UI trick on top of limited cryptographic protection.

Vaultaire vs Calculator#: detailed comparison

5. Secret Photo Vault -- Basic Vault, Limited Security Model

Encryption: No confirmed file-level encryption Data collection: Usage analytics Account required: Optional (for cloud backup) Pricing: Free (limited) / $9.99/yr

Secret Photo Vault provides a passcode-locked container for photos and videos. The interface is functional but dated. The app supports basic album organization and a decoy PIN feature that opens a fake set of photos.

The decoy PIN is worth discussing. Unlike cryptographic plausible deniability (where hidden vaults are mathematically unprovable), a decoy PIN stores a configuration flag in the app's data. A forensic examiner can find this flag and determine that a decoy mode exists, which is evidence that the user is hiding something. Configurable decoy modes prove concealment. Cryptographic deniability does not.

Encryption verification test: Files in Secret Photo Vault's storage show standard image file signatures. There is no evidence of per-file encryption.

Pros:

• Low annual price at $9.99/yr
• Decoy PIN feature for casual protection
• Simple, minimal interface

Cons:

• No file-level encryption confirmed
• Decoy mode is detectable by forensic tools (configuration flag)
• No recovery phrase mechanism

Verdict: Secret Photo Vault is an adequate PIN-locked folder. The decoy PIN is better than nothing for casual situations, but it is fundamentally different from cryptographic deniability. At $9.99/yr, the price is right for basic photo hiding. It is not encryption.

Vaultaire vs Secret Photo Vault: detailed comparison

6. Hide it Pro -- Android-First, iOS Afterthought

Encryption: None (PIN access control) Data collection: Device info, usage analytics Account required: Optional Pricing: Free (ad-supported)

Hide it Pro was built for Android and ported to iOS. The Android version has significantly more features and a larger user base. The iOS version feels incomplete by comparison, with a simpler interface and fewer options.

The app disguises itself as "Audio Manager" on Android. On iOS, it uses a less convincing disguise. The security model across both platforms is PIN-based access control without file-level encryption.

Encryption verification test: Files are stored in standard readable formats within the app container. The PIN prevents access through the app's UI but does not encrypt the underlying files.

The privacy policy is broad, collecting device information and usage data. The app is ad-supported on the free tier, which means third-party ad networks also receive data about your usage patterns, including the fact that you use a photo hiding app.

Pros:

• Free to use (ad-supported)
• Multi-format support (photos, videos, audio, documents)
• Good option if you also need Android support (Android version is stronger)

Cons:

• iOS version is clearly secondary to the Android product
• No file-level encryption on either platform
• Ad networks collect data about your usage of a privacy app

Verdict: Hide it Pro's best version is on Android. The iOS app gets the job done for basic photo hiding, but the ad-supported model creates an ironic situation: you are using a privacy app that shares data with advertising networks. If you need cross-platform and do not care about encryption, it works. If you are on iPhone specifically, there are better options on this list.

Vaultaire vs Hide it Pro: detailed comparison

7. Safe Lock -- Basic Feature Set

Encryption: No confirmed file-level encryption Data collection: Device identifiers, usage data Account required: No Pricing: Free (limited) / $14.99/yr

Safe Lock offers a PIN-locked vault with cloud backup and basic album organization. The feature set is similar to Private Photo Vault and Secret Photo Vault: a passcode gates access to the app, and the photos sit behind that gate.

Encryption verification test: Files in the app container are stored in recognizable image formats. The cloud backup feature uploads files to external servers, and the encryption status of those uploads is not clearly documented.

The cloud backup introduces a question the app does not clearly answer: where are the backups stored, who has the encryption keys, and what happens if those servers are breached? The app's privacy policy is vague on these points.

Pros:

• Cloud backup option for data recovery
• Simple, clean interface
• No account required for local use

Cons:

• No confirmed file-level encryption
• Cloud backup encryption status unclear
• Privacy policy lacks specifics on server-side data handling

Verdict: Safe Lock is a functional PIN-locked photo vault. The cloud backup is useful for recovery but introduces server-side risks that the app does not clearly address. If you want basic photo hiding with a backup option and do not need encryption, it works. If cloud security matters to you, the vague documentation is a concern.

Vaultaire vs Safe Lock: detailed comparison

The Encryption Test: What We Actually Checked

Here is the test we described for each app, explained in detail.

We installed each app on a test iPhone running iOS 17. We stored the same test photo in each vault. Then we connected the phone to a Mac and examined the app container files using standard file management tools. No jailbreak, no forensic software. Just what any Mac user could do.

What we looked for:

• File signatures. JPEG files start with FF D8 FF. PNG files start with 89 50 4E 47. If we found these headers in the app's storage, the files are not encrypted.
• EXIF data. Unencrypted photos retain GPS coordinates, camera model, timestamps. Encrypted photos have no readable metadata.
• File size correlation. If the stored file is approximately the same size as the original photo, it is likely stored in its original format. Encrypted files with added IVs and authentication tags have different sizes.
• Randomness. Properly encrypted data is statistically indistinguishable from random bytes. Unencrypted image data has predictable byte distributions.

This is not advanced forensics. This is the minimum check anyone with a Mac and basic curiosity could perform.

Privacy Policy Comparison

We read each app's full privacy policy and cross-referenced it with the App Store privacy nutrition labels (the "App Privacy" section on each app's App Store listing).

The pattern is consistent: every app in this list except Vaultaire includes advertising in the free tier, which means ad networks receive data about your activity inside a privacy app. This is worth considering. You downloaded a vault app to keep something private. The app then tells an ad network that you use a photo vault.

Vaultaire collects nothing by default. Opt-in analytics are anonymous crash reports with no account, no email, and no identity linkage.

Frequently Asked Questions

Do photo vault apps actually encrypt photos?

Most do not. The majority of photo vault apps on the App Store use a PIN or passcode to control access to the app's interface. The photos behind that PIN are stored as standard, readable image files. If someone connects the phone to a computer or uses forensic tools, the photos are accessible without the PIN. True encryption (AES-256-GCM, for example) transforms each file into data that is indistinguishable from random noise without the correct decryption key.

What is the difference between hiding photos and encrypting them?

Hiding means moving a photo out of your normal camera roll and into a separate location that requires a PIN to view through the app. The photo file itself is unchanged and readable. Encrypting means transforming the file mathematically so it cannot be read without the correct key. Hiding protects against someone casually scrolling your phone. Encryption protects against someone with file system access, forensic tools, or a Mac cable.

Is the iPhone Hidden Album safe enough?

The iOS Hidden Album (Settings > Photos > Hidden Album) hides photos from the main library and requires Face ID to view. It is adequate for preventing casual access. However, hidden photos are not encrypted, are included in device backups, and can be accessed by anyone who can compel your Face ID (law enforcement, border agents, or someone who holds the phone to your face). For photos that need cryptographic protection, a dedicated vault app with real encryption is necessary.

Can police access photo vault apps?

It depends on the app's architecture. Apps that store files on servers (like Keepsafe) can be subpoenaed, and the company can comply because they hold the encryption keys. Apps that use zero-knowledge encryption with local-only key storage (like Vaultaire) cannot comply with a subpoena because the technical capability to access user data does not exist. PIN-only apps without encryption can be accessed with forensic tools regardless of the PIN.

Are free photo vault apps safe?

Free photo vault apps are typically ad-supported, which means they share usage data with advertising networks. The ad networks know you use a photo vault app. Beyond the advertising concern, most free vault apps do not encrypt files. They provide a PIN screen, not encryption. If a free vault app offers a "forgot PIN" feature that works without a recovery phrase, the files are almost certainly not encrypted. The app has direct access to them.

What should I look for in a secure photo vault app?

Four things. (1) Confirmed encryption algorithm: AES-256 is the standard. If the app does not specify, assume it does not encrypt. (2) Key management: who holds the key? If the app has a password reset via email, the company holds the key. (3) Data collection: read the App Store privacy label. If the app collects device IDs and shares data with advertisers, your privacy has limits. (4) No account requirement: an email address linked to a privacy app is a privacy leak.

The Bottom Line

Six of the seven apps in this roundup store photos as readable files behind a PIN screen. One encrypts them.

That is the finding. The market is full of apps that look like vaults but function as locked folders. If your threat model is a friend picking up your phone, a PIN-locked folder works. If your threat model includes anyone with 10 minutes, a Mac cable, and basic curiosity, only actual encryption matters.

Vaultaire wins this roundup because it is the only app that passed the encryption verification test, collects no personal data, requires no account, and provides cryptographic plausible deniability. Its limitations are real: iOS-only, newer, fewer reviews. But on the question "is this photo actually protected?", it is the only one here where the answer is unambiguously yes.

Download Vaultaire (free) | Learn how Vaultaire's encryption works | See all comparisons

Related guides: How to Hide Photos on iPhone | How to Lock Photos on iPhone | How to Create a Secret Folder on iPhone