Calculator vs Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.
- Basic calculations
- Over 80 themes
- Theme customization
- Easy to use interface
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Calculators (8 modes): Basic — everyday four-function calculator Scientific — trig, logs, powers, roots Tip & Split — tip, total, and per-person split Discount — sale price and how much you save (with tax) Loan — monthly payment with interest Savings — grow a balance over time Unit Price — compare price per unit Convert — length, weight, volume, temperature Personalization: 70+ themes (photo backgrounds, textures, solids) Any accent colour — pick a swatch or dial a custom shade on the colour wheel
Calculator
This app provides a comprehensive calculator experience, filling the gap for a built-in option on iPads. It offers basic, scientific, fraction, programmer, and tip calculations, along with unit and currency conversion. The interface is designed with a modern flat UI, supporting various orientations and multitasking features.
- Basic and scientific calculations
- Fraction and programmer calculators
- Unit and currency converter
- Tip calculator and bill splitter
- History and memory functions
- Customizable themes and interface
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Designed to fill in for the missing calculator app on the iPad with simplicity and functionality. This app features the modern design of flat UI of iOS which look like original built-in app. Users can make basic calculation in portrait and handy scientific calculation in landscape. It provides all scientific functions such as root, power, factorial, exponential, divisions, and logarithm are supported. Including trigonometric functions like sine, cosine, tangent, arch, and more. Unlock the power of binary, octal, decimal, and hexadecimal math with Programmer Calculator. Solve fraction math problem quickly and easily with Fraction Calculator. Includes international currency conversion and variety of units conversion categories. Tip calculator to calculate tip percentage for food and drink on the fly. Save time when use bill splitter, and tip exactly what you mean to, no more, no less. BASIC/SCIENTIFIC CALCULATOR • All functions like the original calculator app • Basic calculation in portrait • Scientific calculation in landscape • Manual basic & scientific calculator switching in portrait or landscape orientation • Access result and do calculation on widget • Switch between Degrees and Radians calculations • Make more complex calculations with Memory buttons • Simply swipe on the digits to delete a single wrong digit UNIT CONVERTER • Currency converter with daily updated exchange rates in the universal currency • Freely convert units from variety of categories • All catalogs in converter include: Currency, Area, Data, Length, Mass, Velocity, Temperature, Time, Volume, Acceleration, Angle, Current, Energy, Force, Illumination, Inductance, Magnitude, Power, Pressure, Radiation and Torque FRACTION CALCULATOR • Built-in fraction calculator to solve fraction math • Display result in proper fraction, improper fraction or decimal number PROGRAMMER CALCULATOR • Multi-base calculations with seamlessly switch between binary, octal, decimal and hexadecimal • Perform arithmetic and logical operations • Directly view and manipulate the individual bits of the binary number with built-in Bit Editor TIP CALCULATOR • Calculate tip of bill on the fly • Split the bill to share with others • Simply swipe to round any number of total, tip, or per person • Built-in share function to easily share the number with others SIMPLICITY • View whole calculation equation in calculator • Check previous calculation with history • Copy and paste numbers from or into display • Support split view multitasking • Support external hardware keyboard input INTERFACE • Get new feel of different looks with multiple themes • Easy one-hand usage with resizable and draggable interface • Pinch to scale calculator size • Quick actions by tap and hold calculator area • Buttons feedback sound to ensure you touch the buttons correctly NOTES: • To add widget in iOS 14 or later, scroll to the bottom of the widget list, tap Edit, tap Customize, add Calculator widget, and tap Done.
Screenshots
Verdict
The clearest difference is review sentiment: Calculator at 80% against Calculator's 51%. Calculator also leads on rating (4.7 vs 4.5) and iOS requirement (11.0 vs 15.6). Calculator's advantage is device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Calculator sells 1 one-off in-app purchase and Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Calculator holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 147K and 364K respectively. Written reviews point the same way: 51% of Calculator's written reviews are positive against 80% of Calculator's.
Calculator ships an update every 2 weeks, Calculator monthly. Both last shipped on November 7, 2026.
| Parameter | Calculator | Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (147K ratings) | 4.7 (364K ratings) — better |
| Positive reviews | 51.3% of reviews | 79.5% of reviews — better |
| Number of ratings | 147K | 364K — better |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 82 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | The App Tower Inc. | Ratha Sou |
Customer experience
Calculator
Calculator
User reviews
Calculator
From 147K App Store ratingsWhat we love
- 👍 Easy to use
- 🎨 Customizable backgrounds
- 💯 Accurate calculations
- 🆒 Unique design
- 🔍 Helpful for schoolwork
Room to improve
- 💸 Ads disrupt usage
- 🔒 Requires payment to remove ads
- 🔀 Cannot rotate to landscape mode
- 🐛 Occasional calculation errors
- 📵 Freezes during use
Calculator
From 364K App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Performs calculations quickly
- 💡 Helpful for math homework and studies
- 🔍 Provides calculation history
- 🎨 Customizable themes and wallpapers
Room to improve
- 🔍 Too many ads
- 🐛 Occasional bugs and glitches
- 🔍 Ads can be distracting
- 🔍 Subscription model for some features
Bugs and requests
Calculator
Reported bugs
2 issues- Ads freeze the app
- Incorrect results for certain calculations
Requested features
4 requests- Add fraction support
- Implement a calculation history feature
- Provide more background theme options
- Allow landscape mode on tablets
Calculator
Reported bugs
3 issues- Calculation errors in certain cases
- App crashing on older devices
- Issues with the slide-over mode display
Requested features
4 requests- Voice input for calculations
- Ability to delete individual digits
- More advanced scientific functions
- Improved split-screen/multitasking support
In-app purchases
Calculator
- Ad Free Calculator$4.99
Calculator
- Unlock Full Version$5.99






