Calculator· vs Calculator 4.0
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Basic arithmetic operations
- Percentage calculations
- Multiple color schemes
- Copy results
- Square, square root, inverse functions
- iPad Split View support
- Apple Watch support
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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
Calculator 4.0
Perform daily calculations with a clean interface and large buttons. Features include decimal support, a calculation log, and two themes. Regular updates ensure continuous improvement and new functionalities.
- Intuitive interface with large buttons
- Backspace key for corrections
- Decimal point or comma support
- Calculation display log
- Two customizable themes
- Regular updates with new features
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Do the math with Calculator 4.0. Our calculator app features a sleek and intuitive interface, with large buttons and a clear display for easy input and output. Plus, with the backspace key you can correct or change numbers. Other features of our calculator app include support for decimal point or decimal comma, a display log for your calculation, and two themes to choose from!. And with regular updates and new features being added all the time, our calculator app is always improving and getting even better. Download our calculator app today and experience the ultimate in calculation convenience and accuracy!
Screenshots
Verdict
The clearest difference is ratings volume: Calculator· at 34K against Calculator 4.0's 53. Calculator 4.0's advantage is update cadence (fortnightly vs every 3 months) and iOS requirement (12.0 vs 15.0). On price, rating, ads and in-app purchases 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. Calculator· sells 3 in-app purchases, starting at $0.99 per month and Calculator 4.0 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Calculator· against 4.8 for Calculator 4.0. That said, the two scores are not equally well evidenced: Calculator· has 34K ratings behind it against 53, so its average is the more settled of the two.
Calculator· ships an update every 3 months, Calculator 4.0 fortnightly. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.
| Parameter | Calculator· | Calculator 4.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (34K ratings) — better | 4.8 (53 ratings) |
| Positive reviews | 84.3% of reviews | — |
| Number of ratings | 34K — better | 53 |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Tim O's Studios, LLC | Edison Largo |
Customer experience
Calculator·
Calculator 4.0
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 4.0
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator·
- Upgrade App3 Days trial$0.991 Month
- Upgrade App$4.991 Year
- Upgrade App$1.99
Calculator 4.0
- Remove Ads$5.99
Questions
Is Calculator· free?
Is Calculator 4.0 free?
Which has better reviews, Calculator· or Calculator 4.0?
Do Calculator· or Calculator 4.0 have ads?
Which is updated more often, Calculator· or Calculator 4.0?
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