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Best Secret App Calculator

204+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated June 2026

Calculator# Hide Photos Videos is the household name in secret app calculator, but it's far from the only option. We track 204+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Secret App Calculator

Calculator# Hide Photos Videos#1

Calculator# Hide Photos Videos by Salman Ashraf

Hide Photos, Videos & Secrets
Editor's Choice
🔧 Utilities
4.4😞(29K ratings)
FreeIn-App Purchases
Calculator# Hide Photos Videos screenshot 1
Calculator# Hide Photos Videos screenshot 2
Calculator# Hide Photos Videos screenshot 3
Calculator# Hide Photos Videos screenshot 4
Calculator# Hide Photos Videos screenshot 5
Calculator# Hide Photos Videos screenshot 6

This app disguises itself as a calculator to secretly store photos, videos, documents, notes, passwords, and more. It offers robust security features to protect your confidential information from prying eyes and hackers.

What We Love

  • 🔒 Discreet and easy to use
  • 👍 No storage restrictions in free version
  • 🚀 Occasional short ads are a small price to pay
  • 🔒 Multilayered security options (pattern, PIN, biometrics)

Room to Improve

  • 🐛 Password recovery issues
  • 🐛 Unreliable file storage and retrieval
  • 🐛 Subscription issues, unable to access premium features
Secret Photo Album ++#2

Secret Photo Album ++ by Rong Liu

Photo Video Lock & Vault
Strong Contender
🔧 Utilities
4.7😐(12K ratings)
FreeIn-App Purchases
Secret Photo Album ++ screenshot 1
Secret Photo Album ++ screenshot 2
Secret Photo Album ++ screenshot 3
Secret Photo Album ++ screenshot 4
Secret Photo Album ++ screenshot 5
Secret Photo Album ++ screenshot 6

Securely store private photos, videos, notes, and passwords with advanced encryption and gesture PIN protection. This app acts as a hidden vault to safeguard your precious memories and sensitive information, ensuring your privacy.

What We Love

  • 🚀 Easy to use
  • 🔒 Secure storage
  • 👍 Discreet app icon
  • 💡 Affordable lifetime subscription

Room to Improve

  • 🐛 Frequent crashes
  • 🐛 Subscription issues
  • 🐛 Inability to transfer files back to device
Calculator Lock - Secure Vault#3

Calculator Lock - Secure Vault by Zipo Apps Ltd.

Hide Photos, Private Photos
Worth Considering
🔧 Utilities
4.6😊(3.5K ratings)
FreeAdsIn-App Purchases
Calculator Lock - Secure Vault screenshot 1
Calculator Lock - Secure Vault screenshot 2
Calculator Lock - Secure Vault screenshot 3
Calculator Lock - Secure Vault screenshot 4
Calculator Lock - Secure Vault screenshot 5
Calculator Lock - Secure Vault screenshot 6

Securely hide your private photos, videos, contacts, and passwords behind a disguised calculator interface. Protect your sensitive files with a secret vault and access them only through the app's unique interface. Features include intruder selfies and cloud backups.

What We Love

  • 🔒 Hidden app
  • 👍 Good features
  • 👍 Simple and easy to use
  • 🔒 Secure vault for photos, videos, and passwords

Room to Improve

  • 🐛 Buggy (doesn't save downloaded videos, can't paste in notes)
  • 🔍 App name not very discreet
  • 💸 Too much advertising

More Secret App Calculator apps to explore

4
App Lock™ - Locked Apps Vault
App Lock™ - Locked Apps Vault
App Lock™ - Locked Apps Vault
Photo & Video Vault Safe Album
Free

Secure your digital life by locking apps, protecting photos and videos in a private vault, and browsing the web anonymously. Store contacts, passwords, and notes safely with passcode protection.

Lock AppsPhoto & Video VaultPrivate Browser
📊 Productivity
(2.5K)
subscription
5
Calculator
Calculator
Calculator
by Apple Inc.
Free

This app offers both basic and scientific calculators for quick solutions to mathematical expressions. It also features a "Math Notes" function that allows users to type or write out equations and see them solved inline, with support for variables and graphing.

Basic and scientific calculatorsType or write math expressionsInline equation solving
🔧 Utilities
(8.9K)
free
6
Locker - Hidden Photo Vault
Locker - Hidden Photo Vault
Locker - Hidden Photo Vault
Protect your stuff.
Free

Securely store photos, videos, notes, files, and app links behind biometric or PIN protection. Disguise the app icon as a calculator or timer for added privacy. Files are stored locally on your device.

Biometric and PIN protectionDisguised app icon (calculator/timer)Store photos and videos
🔧 Utilities
(24K)
free with in-app purchases
7
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
🔧 Utilities
(1.7M)
free with in-app purchases
8
Private Browser - Priver
Private Browser - Priver
Private Browser - Priver
Protects history & bookmarks
Free

This private browser offers a secure way to browse the internet, automatically protecting your history and bookmarks. It disguises itself as a calculator on your home screen, only revealing its browsing capabilities when a passcode is entered. Your data remains private and inaccessible to other apps.

Calculator disguisePasscode protectionSecure browsing
🔧 Utilities
(1K)
ad-supported
9
Private Photo Vault - Pic Safe
Private Photo Vault - Pic Safe
Private Photo Vault - Pic Safe
Keep Pictures+Videos Safe
Free

Securely store and organize your private photos and videos with advanced protection. Features include password-protected entry, albums, and even a decoy mode for ultimate privacy. Back up your memories securely to the cloud.

Password Protected App EntryPassword Protected AlbumsBreak-in Report with GPS
📷 Photo & Video
(1M)
free with in-app purchases
10
Converter: Hidden Photo Vault
Converter: Hidden Photo Vault
Converter: Hidden Photo Vault
Private secure folder & album
Free

Securely store private photos, IDs, and bank cards using advanced encryption. Your data is protected locally and in iCloud with password access, vanishing when the app closes. Enjoy perpetual protection and peace of mind without any subscriptions.

Secure photo and document storageAdvanced encryptioniCloud backup
📷 Photo & Video
(3.6K)
paid
11
Secret Calculator - A Secret Photo Hide Vault
Secret Calculator - A Secret Photo Hide Vault
Secret Calculator - A Secret Photo Hide Vault
Secret Photo & Video Vault
Free

This utility app functions as a standard calculator but reveals a hidden vault when a secret passcode is entered. It allows users to securely store private photos and notes, offering a discreet way to protect sensitive information.

Disguised calculator interfaceSecret passcode accessHide private photos
🔧 Utilities
(2)
free with in-app purchases
12
Secret Photo Vault: Keepsafe
Secret Photo Vault: Keepsafe
Secret Photo Vault: Keepsafe
Lock + hide private files, pic
Free

Securely store and hide private photos and videos with PIN protection, fingerprint ID, and encryption. Organize important documents and save phone space with this popular photo locker.

PIN and fingerprint protectionMilitary-grade encryptionPrivate cloud storage
📷 Photo & Video
(377K)
free with in-app purchases
13
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
14
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
15
Photo Vault-Secret Calculator
Photo Vault-Secret Calculator
Photo Vault-Secret Calculator
Keep Safe Hidden Photo & Video
Free

Securely store and protect your private photos and videos with a hidden library. Features include backup, trash recovery, unlimited storage, and album-specific password protection. Disguise the app icon for added privacy.

Secure photo and video backupTrash recovery for deleted itemsUnlimited storage
📷 Photo & Video
(262)
free with in-app purchases
16
Secrete Calculator Lock Vault
Secrete Calculator Lock Vault
Secrete Calculator Lock Vault
by Janki Panchani
Free

Secure your private photos, notes, contacts, and passwords with a simple 4-digit PIN. This app offers fast and easy access to your protected files, ensuring your data remains private and organized in one secure location.

4-Digit PIN LockSecure File StorageFast and Simple Interface
🔧 Utilities
(41)
free with in-app purchases
17
Digits Tape Calculator
Digits Tape Calculator
Digits Tape Calculator
The calculator for humans
$1.99

This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.

Editable line-by-line tape historyCorrect and insert entriesAdd labels and comments
🔧 Utilities
(1.1K)
free with in-app purchases
18
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Customizable themes and colorsDual-line displayCalculation history
🔧 Utilities
(3K)
ad-supported
19
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

Basic four functionsClear displayLarge buttons
🔧 Utilities
(243K)
free with in-app purchases
20
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.2K)
free with in-app purchases

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