Calculator+= vs Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator+=
This basic calculator app allows for multiple value calculations and displays the record of the last calculation. Users can easily copy answers by pressing and holding, and it supports Split View on iPad for enhanced multitasking.
- Multiple value calculations
- Last calculation record
- Press & hold to copy answer
- Split View support on iPad
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Basic calculator. Features: - Perform multiple value calculations - Show last calculation's record - Press & hold to copy the answer - Support for Spilt View on iPad
Calculator
A clean and accurate calculator for iPhone and iPad that prioritizes user experience with no ads or pop-ups. It offers essential math functions, a history log, a unit converter, and an optional scientific mode. Premium features include additional themes and history export.
- Ad-free experience
- Full expression view
- Automatic calculation history
- Unit converter
- Scientific mode
- Dark Mode support
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A calculator that gets out of your way. No ads, no pop-ups, no account. Just clean, accurate math on iPhone and iPad. WHY PEOPLE SWITCH Most free calculators interrupt you with video ads, upgrade screens and rating pop-ups. Calculator: Simple & Clean never does. Open it and start typing. MATH YOU CAN TRUST • Correct order of operations, so 2 + 3 × 4 = 14 • See the full expression as you type, with a live result • Smart percent, sign toggle and decimal formatting • Repeat the last operation by tapping equals again • Safe handling of divide by zero HISTORY THAT STAYS • Every calculation is saved automatically • Tap any past result to use it again • Swipe to delete single entries or clear it all SCIENTIFIC MODE • Rotate to landscape or tap the toggle for scientific functions • sin, cos, tan, logs, powers, roots, factorial, pi and e • Degrees and radians UNIT CONVERTER Convert length, weight, temperature, volume, area, speed, time and data in one tap. FAST, FORGIVING INPUT • Backspace key, or swipe the display to delete the last digit • Long press to copy a result, paste numbers straight in • Gentle haptic feedback on every key • Large, easy to hit buttons DESIGNED FOR YOU • Beautiful themes, with full Dark Mode support • Works on iPhone and iPad, in portrait and landscape PRIVATE BY DESIGN No ads. No account. No tracking. Your numbers and calculations never leave your device. Works fully offline. PREMIUM (OPTIONAL) The calculator, history, scientific mode and unit converter are free forever. Premium adds: • Extra themes • Alternate app icons • Search and export your history Premium is an auto-renewing subscription. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel any time in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sebastiandoyle.github.io/simple-calculator-ios/privacy-policy.html
Screenshots
Verdict
The clearest difference is rating: Calculator+= at 3.6 against Calculator's 1.0. Calculator+= also leads on monetization model (free vs freemium) and ratings volume (7 vs 1). Calculator's advantage is update cadence (every 3 days vs every 5 weeks). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Calculator+= holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: Calculator+= has 7 ratings behind it against 1, so its average is the more settled of the two.
Calculator+= ships an update every 5 weeks, Calculator every 3 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | Calculator+= | Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (7 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | thebaselab Ltd | Sebastian Doyle |
Customer experience
Calculator+=
Calculator
In-app purchases
Calculator+=
No in-app purchases
Calculator
No in-app purchases








