Simple Calculator. + vs Calculator⁻
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Calculator⁻
A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.
- Basic arithmetic operations
- Percentage calculations
- Record and recall results
- Customizable colors
- Touch sound option
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It is a simple and easy calculator. It is a simple calculator with no complex functions at all. Features: Addition, subtraction, multiplication, division, percent operation Recording and recalling calculation results The numbers, operators, parentheses, results Custom colors Use touch sound Very useful for school children
Screenshots
Verdict
The clearest difference is price: Calculator⁻ at Free against Simple Calculator. +'s $1.99. Calculator⁻ also leads on ratings volume (3.6K vs 147) and iOS requirement (13.0 vs 15.6). Simple Calculator. +'s advantage is ads (none vs shown) and rating (4.7 vs 4.4). On update cadence, 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.
Simple Calculator. + holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Calculator⁻ has 3.6K ratings behind it against 147, so its average is the more settled of the two. Written reviews point the same way: 73% of Simple Calculator. +'s written reviews are positive against 52% of Calculator⁻'s.
Simple Calculator. + ships an update every 3 months, Calculator⁻ every 2 months. Both last shipped on September 23, 2026.
| Parameter | Simple Calculator. + | Calculator⁻ |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.7 (147 ratings) — better | 4.4 (3.6K ratings) |
| Positive reviews | 72.7% of reviews — better | 52.0% of reviews |
| Number of ratings | 147 | 3.6K — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | tasser gyati | UniCom Technology |
Customer experience
Simple Calculator. +
Calculator⁻
Bugs and requests
Simple Calculator. +
Not enough reviews yet to summarise bugs or requests.
Calculator⁻
Reported bugs
3 issues- Decimal point problem: .5 becomes 5
- Button that should be 7 shows as 9 and gives 9 when used
- Percentage button does not work correctly
Requested features
3 requests- Backspace button
- Percentage button that works properly
- Arrange buttons in standard calculator layout
In-app purchases
Simple Calculator. +
No in-app purchases
Calculator⁻
No in-app purchases
Questions
Is Simple Calculator. + free?
Is Calculator⁻ free?
Which has better reviews, Simple Calculator. + or Calculator⁻?
Do Simple Calculator. + or Calculator⁻ have ads?
Which is updated more often, Simple Calculator. + or Calculator⁻?
Other comparisons
