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 app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Highlights
  • Basic arithmetic operations
  • Percentage calculations
  • Multiple color schemes
  • Copy results
  • Square, square root, inverse functions
  • iPad Split View support
  • Apple Watch support
Features
Read full description

A truly no-frills calculator with the perfect blend of features and simplicity. Tired of getting lost in features you don’t use, but wish you had just a few more? Try Calculator· today! Features: • The essentials—add, subtract, multiply, divide, percent • Multiple color schemes • Copy your result (double tap result to copy) • Square, square root, and inverse functions on iPad landscape • Split View for iPad so you can run two apps at once • Apple Watch Support This app contains auto-renewable subscriptions: • Premium Access • 1 month and 1 year durations available​ Limit one free trial per user. Charged through your iTunes account at confirmation of purchase. Your account will be charged within 24-hours prior to the end of the current period. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. You can manage your subscriptions and turn off auto-renewal from your Account Settings in iTunes after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that product, where applicable. • Privacy policy: https://www.iubenda.com/privacy-policy/905866 • Terms of use: http://www.timosstudios.com/terms-of-use You can follow the instructions on our website to change or cancel your subscription: http://www.timosstudios.com/how-to-cancel-subscription-on-ios

About

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.

Highlights
  • Basic arithmetic operations
  • Percentage calculations
  • Record and recall results
  • Customizable colors
  • Touch sound option
Features
Read full description

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

Calculator·4 screens
Calculator⁻4 screens

Verdict

The call

The clearest difference is rating: Calculator· at 4.9 against Calculator⁻'s 4.4. Calculator· also leads on review sentiment (84% vs 52%) and ratings volume (34K vs 3.6K). Calculator⁻'s advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads 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. Calculator· sells 3 in-app purchases, starting at $0.99 per month. Calculator⁻ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculator· holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Calculator· has 34K ratings behind it against 3.6K, so its average is the more settled of the two. Written reviews point the same way: 84% of Calculator·'s written reviews are positive against 52% of Calculator⁻'s.

UpkeepUpdate frequency

Calculator· ships an update every 3 months, Calculator⁻ every 2 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

Scorecard6 real differences · 4 level
Calculator· versus Calculator⁻: the parameters behind the verdict, then further details
ParameterCalculator·Calculator⁻
PriceFreeFree
Rating4.9 (34K ratings) — better4.4 (3.6K ratings)
Positive reviews84.3% of reviews — better52.0% of reviews
Number of ratings34K — better3.6K
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size47 MB4 MB
Age rating4+4+
DeveloperTim O's Studios, LLCUniCom Technology

Customer experience

Calculator·

All ratings34,400 ratings
Positive97.2%
Neutral1.8%
Negative0.9%
Written reviews887 reviews
Positive84.3%
Neutral5.6%
Negative10.0%

Calculator⁻

All ratings3,595 ratings
Positive83.8%
Neutral6.3%
Negative9.9%
Written reviews98 reviews
Positive52.0%
Neutral7.1%
Negative40.8%

User reviews

Calculator·

From 34K App Store ratings

What we love

  • 👍 Simple and easy to use
  • 🚀 Quick and responsive
  • 💡 Percentage function works well
  • 👍 Large, clear buttons
  • 👍 Straightforward, no-frills design

Room to improve

  • 🔋 Frequent ads can be distracting
  • 🐛 Occasional crashes or freezes
  • 🔒 Lack of customization options
  • 💡 No backspace/undo function
  • 💡 Missing advanced features like memory

Calculator⁻

From 3.6K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient calculations
  • 💡 Retro design
  • 👍 Simple and straightforward

Room to improve

  • 🐛 Decimal point issues
  • 🐛 Incorrect calculations
  • 🐛 Broken buttons
  • 🔍 Confusing button layout

Bugs and requests

Calculator·

Reported bugs

3 issues
  • Crashes when performing long calculations
  • Freezes when opening the app
  • Incorrect results for some complex calculations

Requested features

4 requests
  • Add a backspace/undo button
  • Implement a history/memory feature
  • Provide more customization options
  • Reduce frequency of ads

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

3 purchases

Calculator·

Subscriptions2
  • Upgrade App3 Days trial$0.991 Month
  • Upgrade App$4.991 Year
One-time1
  • Upgrade App$1.99
None

Calculator⁻

No in-app purchases

Questions

Is Calculator· free?
Calculator· is free to download, with in-app purchases available.
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 4.9 out of 5 from 34K ratings, while Calculator⁻ averages 4.4 from 3.6K ratings.
Do Calculator· or Calculator⁻ have ads?
Both Calculator· and Calculator⁻ show ads.
Which is updated more often, Calculator· or Calculator⁻?
Calculator· ships an update every 3 months, and Calculator⁻ every 2 months. Most recently, Calculator· was updated on October 17, 2026 and Calculator⁻ on October 15, 2026.

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