Calculator HD Pro Lite vs Simple Calculator. +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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://
Simple Calculator. +
This app offers a straightforward and dependable calculator for iPhone and iPad. It includes advanced features like tax calculation, cost/selling price/margin calculations, and memory operations. A free version is available to try before purchasing.
- 12-digit display
- Tax calculation
- Cost, selling price, and gross margin calculations
- Memory operations
- Grand total (GT)
- Percentage calculation
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Simple, reliable, and easy-to-use calculator app for iPhone/ iPad. If you would like to try out the calculator first, download the FREE version of the app from the developer profile. Calculator features:- * 12 digits * Tax calculation * Percentage (%) * Cost/ selling price/ gross margin calculations * Memory operations * Grand total (GT) * Square root * +/- (Sign change) * Arithmetic constant calculation * Digit grouping and decimal mark as per device locale
Screenshots
Verdict
The clearest difference is price: Calculator HD Pro Lite at Free against Simple Calculator. +'s $1.99. Calculator HD Pro Lite also leads on ratings volume (51K vs 147). Simple Calculator. +'s advantage is ads (none vs shown). On rating, review sentiment, update cadence and in-app purchases 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
Calculator HD Pro Lite is free to download; Simple Calculator. + costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.6 for Calculator HD Pro Lite against 4.7 for Simple Calculator. +. That said, the two scores are not equally well evidenced: Calculator HD Pro Lite has 51K ratings behind it against 147, so its average is the more settled of the two. Written reviews are what separate them: 78% of Calculator HD Pro Lite's written reviews are positive against 73% of Simple Calculator. +'s.
Calculator HD Pro Lite ships an update every 2 months, Simple Calculator. + every 3 months. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.
| Parameter | Calculator HD Pro Lite | Simple Calculator. + |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.6 (51K ratings) | 4.7 (147 ratings) — better |
| Positive reviews | 77.7% of reviews — better | 72.7% of reviews |
| Number of ratings | 51K — better | 147 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.2 — better | 15.6 |
| Further details — not scored | ||
| Size | 47 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Cider Software LLC | tasser gyati |
Customer experience
Calculator HD Pro Lite
Simple Calculator. +
Bugs and requests
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
Simple Calculator. +
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator HD Pro Lite
No in-app purchases
Simple Calculator. +
No in-app purchases
Questions
Is Calculator HD Pro Lite free?
Is Simple Calculator. + free?
Which has better reviews, Calculator HD Pro Lite or Simple Calculator. +?
Do Calculator HD Pro Lite or Simple Calculator. + have ads?
Which is updated more often, Calculator HD Pro Lite or Simple Calculator. +?
Other comparisons
