Calculator vs Calculator HD Pro Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
This is a straightforward calculator application designed for ease of use and clear readability. Users can personalize the app's appearance by choosing their preferred background and display themes.
- Easy to use interface
- Clear display
- Customizable background
- Customizable display themes
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Calculator-- is a simple calculator that is easy to use and read. Select the desired background and display. If you like this app, please consider giving it a rating. Your support will help keep the updates coming! Thank you for your support!
Calculator HD Pro Lite
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 display
- Calculation history
- Full scientific functions
- Customizable layouts and themes
- Big buttons
- Email history
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A colorful calculator with big buttons, comprehensive features, and extensive customization. Used by millions. Supported by ads. SEE EVERY STEP ・Dual-line display - shows your input and result simultaneously ・Multi-line input for long equations ・Tap & hold to move the cursor or copy and paste where you want SAVE YOUR WORK ・History saves every calculation with time and date ・Label important calculations for easy reference ・Email single calculations or complete history ・Swipe down to review previous work CUSTOMIZE EVERYTHING ・6 layouts including extra-large button options ・10 color themes plus Dark Mode ・Adjustable font size and bold text ・Left-handed mode ・Show or hide features you don't need SCIENTIFIC FUNCTIONS ・Full scientific calculator when needed ・Memory buttons with values displayed ・Percentage and backspace buttons ・Automatic scientific notation ・VoiceOver accessibility OPTIONAL IN APP PURCHASES ・Today View Widget (iOS 17 and below) ・Multiple History Tapes ADDITIONAL FEATURES ・Customizable button symbols and decimal settings ・Multiple backspace button styles ・iPad Split View and 3D Touch support ・Gesture controls for quick access URL Scheme: calculatorhdprofree://
Screenshots
Verdict
The clearest difference is update cadence: Calculator HD Pro Lite at every 2 months against Calculator's every 13 months. Calculator HD Pro Lite also leads on ratings volume (52K vs 916). On price, rating, review sentiment 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.7 for Calculator against 4.6 for Calculator HD Pro Lite. That said, the two scores are not equally well evidenced: Calculator HD Pro Lite has 52K ratings behind it against 916, so its average is the more settled of the two. Written reviews are what separate them: 80% of Calculator's written reviews are positive against 77% of Calculator HD Pro Lite's.
Calculator ships an update every 13 months, Calculator HD Pro Lite every 2 months. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.
| Parameter | Calculator | Calculator HD Pro Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (916 ratings) — better | 4.6 (52K ratings) |
| Positive reviews | 79.8% of reviews — better | 77.3% of reviews |
| Number of ratings | 916 | 52K — better |
| Update frequency | Every 13 months | Every 2 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 11 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Horizon Business, Inc. | Cider Software LLC |
Customer experience
Calculator
Calculator HD Pro Lite
User reviews
Calculator
From 916 App Store ratingsWhat we love
- 💻 Easy to use
- 🎨 Colorful and visually appealing
- 👀 Large, easy-to-read numbers
- 🎯 Accurate calculations
- 🆓 Free app
Room to improve
- 🔊 Loud button clicking sound that can't be turned off
- 📏 Lacks landscape mode
- 🔢 No percentage or advanced math functions
Calculator HD Pro Lite
From 52K App Store ratingsWhat we love
- 👍 Easy to use
- 📝 Keeps calculation history
- 💡 Customizable layout and themes
- 🔢 Large, clear numbers
- 🧮 Variety of functions (basic, scientific, etc.)
Room to improve
- 💢 Intrusive ads, especially between calculations
- 🙄 Ads that are difficult to close
- 🤦♂️ Ads that interrupt workflow
- 🤑 Expensive to remove ads
- 🚫 Gambling ads
Bugs and requests
Calculator
Reported bugs
2 issues- Sound toggle switch doesn't work to turn off sounds
- App crashes or freezes on some devices
Requested features
3 requests- Add percentage and other advanced math functions
- Allow landscape mode
- Add option to turn off button sounds
Calculator HD Pro Lite
Reported bugs
3 issues- Calculation errors with very large numbers
- Crashes after recent update
- Decimal point displayed as comma
Requested features
5 requests- Dark mode option
- Ability to sync calculation history across devices
- More advanced math functions (e.g. dms/dd)
- Customizable button layout
- Ability to disable ads without paying
In-app purchases
Calculator
No in-app purchases
Calculator HD Pro Lite
No in-app purchases
Questions
Is Calculator free?
Is Calculator HD Pro Lite free?
Which has better reviews, Calculator or Calculator HD Pro Lite?
Do Calculator or Calculator HD Pro Lite have ads?
Which is updated more often, Calculator or Calculator HD Pro Lite?
Other comparisons
