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Best Calculator Storage Apps

205+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated May 2026

Every iPhone needs a few good calculator storage apps. We benchmark 205+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Calculator Storage

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
Calculator Lock - Secure Vault#2

Calculator Lock - Secure Vault by Zipo Apps Ltd.

Hide Photos, Private Photos
Strong Contender
🔧 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
Private Photo Vault - Pic Safe#3

Private Photo Vault - Pic Safe by Legendary Software Labs LLC

Keep Pictures+Videos Safe
Worth Considering
📷 Photo & Video
4.8😐(1M ratings)
FreeAdsIn-App Purchases
#33in Photo & Video
Private Photo Vault - Pic Safe screenshot 1
Private Photo Vault - Pic Safe screenshot 2
Private Photo Vault - Pic Safe screenshot 3
Private Photo Vault - Pic Safe screenshot 4
Private Photo Vault - Pic Safe screenshot 5
Private Photo Vault - Pic Safe screenshot 6

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.

What We Love

  • 🔒 Safe and secure
  • 👍 Great for organizing photos
  • 🚀 Fast and reliable
  • 🔒 Dual password protection

Room to Improve

  • 🐛 Photos/videos disappearing or getting corrupted
  • 🐛 Syncing and backup issues
  • 🐛 Bugs and crashes after updates

More Calculator Storage apps to explore

4
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
5
SPV - Photo Vault
SPV - Photo Vault
SPV - Photo Vault
Safe Vault Photos Album
Free

Securely store your private photos, videos, contacts, and passwords with PIN protection. This app provides a safe space for your precious memories and sensitive information, including a private browser that leaves no trace.

PIN protection for photos and videosSecure storage for contactsPassword manager
🔧 Utilities
(69K)
free with in-app purchases
6
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
7
Secret Photo Vault Lock Photos
Secret Photo Vault Lock Photos
Secret Photo Vault Lock Photos
Hide Apps Private Picture Safe
Free

Securely store and manage private photos, videos, messages, notes, and documents. Organize files into folders, view various document formats, and protect your data with passwords and biometric authentication. Easily transfer files to and from your computer.

Lock and manage private photos and videosStore and view documents (PDF, Word, Excel)Organize files with subfolders
📷 Photo & Video
(27K)
free with in-app purchases
8
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
9
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases
10
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
(9.6K)
free with in-app purchases
11
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
12
AppLock - photo lock
AppLock - photo lock
AppLock - photo lock
Protect your privacy
Free

Securely hide your private photos and videos with a password, fingerprint, or face ID. This app offers a private browser with automatic history deletion, ensuring your sensitive media remains inaccessible to others.

Hide photosHide videosPassword lock
🔧 Utilities
(396)
ad-supported
13
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
14
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
15
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
🔧 Utilities
(1.9K)
ad-supported
16
Calculator X: Math for iPad
Calculator X: Math for iPad
Calculator X: Math for iPad
Smart History, Plus Scientific
Free

This app offers a smart calculator experience across iPad, iPhone, and Apple Watch. It features a history of calculations, the ability to edit equations, and a convenient dark mode. Easily share your results and enjoy enhanced productivity with its user-friendly interface.

Basic & Easy to UseHistory of CalculationsEdit Equation
💰 Finance
(6.2K)
free with in-app purchases
17
Calculator HD Pro Lite
Calculator HD Pro Lite
Calculator HD Pro Lite
Basic & Scientific Calc
Free

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

Dual-line displayCalculation historyFull scientific functions
🔧 Utilities
(51K)
ad-supported
18
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

Multi-mode calculator (Basic, Scientific, Programmer)Calculation historyShare results via email
🔧 Utilities
(3.6K)
free
19
Calculator with History Tape
Calculator with History Tape
Calculator with History Tape
No Ads Calculator with Memory
Free

This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.

History record functionDisplay input equationAdjustable keyboard size and font
📊 Productivity
(3.2K)
free with in-app purchases
20
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations
🔧 Utilities
(404K)
ad-supported

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