Calculator Lock - Photo Vault

Android

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Calculator Lock - Photo Vault is ranked #8 of 32 in photo vault apps on Freedom251. It runs on Android. There is a free plan.

Calculator Lock - Photo Vault plans and pricing

All plans

Free Free Up to 2 personal vaults · ads may appear play.google.com · 8 Oct 2026

Pro Removes in-app ads · unlimited vaults · larger bulk imports · custom albums · custom auto-lock timing · optional Intruder Detection play.google.com · 8 Oct 2026

Compared on photo vault apps

Free plan: Yes
Cloud backup: No
Intruder alerts: Yes
Private camera: No
Mobile platforms: android

Best Calculator Lock - Photo Vault alternatives

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Two bars Hide it Pro Free tier No. 1Free6.6 One bar Keepsafe Photo Vault Free tier No. 2$2/mo6.5 One bar NullVault Free tier No. 3Free6.5 One bar Private Photo Vault Free tier No. 4Free6.5 One bar Weave Vault Free tier No. 5Free6.5 One bar Blackbox Free tier No. 6$4.17/mo6.4

The record

Product: Calculator Lock is an Android privacy vault hidden behind a working calculator and accessed with a 4-digit PIN.
Supported content: It stores photos, videos, audio, PDFs, files and Secure Notes in encrypted app-private storage.
Multiple vaults: Different PINs can open different vaults, with no visible session switcher.
Notes and organization: Users can search and pin encrypted notes, use built-in folders, and restore deleted media or notes from Trash.
File viewing: The app supports in-app viewing of photos, videos and audio, plus PDF previews; other files can be unlocked, exported or shared when preview is unsupported.
Security: The maker says vault content is stored locally in encrypted app-private storage and describes screenshot protection and clipboard cleanup on sensitive flows.
No backup or recovery: The app does not provide cloud backup or PIN recovery, and vault content may be lost if the PIN is forgotten or app data or the device is lost.
Intruder Detection: Optional Intruder Detection may capture a front-camera photo after repeated failed PIN attempts and requires camera permission and applicable premium access.
Integrations and services: The privacy policy names Google Play, Firebase, AdMob, Google UMP and configured mediation partners, which may process billing, ads, consent, configuration, analytics or diagnostics data.
Support: The app provides optional Help & Feedback; support messages are sent when the user chooses to submit them, and the policy does not guarantee a reply or response time.
Audience: The maker says the app is not directed to children or users under 18 and is intended for adults.
Limits: Exports, shares and other outward actions can create copies outside the encrypted vault, where other apps or services may handle them.
Headquarters: India
Price from: Free

Where it ranks on Freedom251

Best Photo Vault Apps in 2026#8 of 32

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Sources

play.google.com/store/apps/details· checked 8 Oct 2026
sababasystems.com/calculator-lock/privacy/· checked 8 Oct 2026
sababasystems.com/calculator-lock· checked 28 Sept 2026