Calculator vs Simple Calculator. +
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!
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 at Free against Simple Calculator. +'s $1.99. Calculator also leads on ratings volume (910 vs 147). Simple Calculator. +'s advantage is ads (none vs shown) and update cadence (every 3 months vs every 13 months). On rating, review sentiment, in-app purchases and device support 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 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 — 4.7 for Calculator against 4.7 for Simple Calculator. +. That said, the two scores are not equally well evidenced: Calculator has 910 ratings behind it against 147, 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 73% of Simple Calculator. +'s.
Calculator ships an update every 13 months, Simple Calculator. + every 3 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.
| Parameter | Calculator | Simple Calculator. + |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.7 (910 ratings) | 4.7 (147 ratings) — better |
| Positive reviews | 79.6% of reviews — better | 72.7% of reviews |
| Number of ratings | 910 — better | 147 |
| Update frequency | Every 13 months | Every 3 months — better |
| 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 | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 11 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Horizon Business, Inc. | tasser gyati |
Customer experience
Calculator
Simple Calculator. +
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
Simple Calculator. +
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator
No in-app purchases
Simple Calculator. +
No in-app purchases
Questions
Is Calculator free?
Is Simple Calculator. + free?
Which has better reviews, Calculator or Simple Calculator. +?
Do Calculator or Simple Calculator. + have ads?
Which is updated more often, Calculator or Simple Calculator. +?
Other comparisons
