Comparison

Calculator+= vs Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Multiple value calculations
  • Last calculation record
  • Press & hold to copy answer
  • Split View support on iPad
Features
Read full description

Basic calculator. Features: - Perform multiple value calculations - Show last calculation's record - Press & hold to copy the answer - Support for Spilt View on iPad

About

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.

Highlights
  • Ad-free experience
  • Full expression view
  • Automatic calculation history
  • Unit converter
  • Scientific mode
  • Dark Mode support
Features
Read full description

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

Calculator+=1 screens
Calculator4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Calculator+= versus Calculator: the parameters behind the verdict, then further details
ParameterCalculator+=Calculator
PriceFreeFree
Rating3.6 (7 ratings) — better1.0 (1 ratings)
Positive reviews50.0% of reviews—
Number of ratings7 — better1
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better17.0
Further details — not scored
Size13 MB11 MB
Age rating4+4+
Developerthebaselab LtdSebastian Doyle

Customer experience

Calculator+=

All ratings7 ratings
Positive57.1%
Neutral14.3%
Negative28.6%
Written reviews8 reviews
Positive50.0%
Neutral12.5%
Negative37.5%

Calculator

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Calculator+=

No in-app purchases

None

Calculator

No in-app purchases

Questions

Is Calculator+= free?
Calculator+= is free to download, with no in-app purchases.
Is Calculator free?
Calculator is free to download, with no in-app purchases.
Which has better reviews, Calculator+= or Calculator?
Calculator+= is rated higher. Calculator+= averages 3.6 out of 5 from 7 ratings, while Calculator averages 1.0 from 1 ratings.
Do Calculator+= or Calculator have ads?
Neither Calculator+= nor Calculator shows ads.
Which is updated more often, Calculator+= or Calculator?
Calculator+= ships an update every 5 weeks, and Calculator every 3 days. Most recently, Calculator+= was updated on November 2, 2026 and Calculator on October 30, 2026.

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