Calculator 3.0
★ 4.6Find an alternative to Calculator 3.0
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First year: Unknown
Data and scoring
Profile based on reviews and description
- Profile analysed
- Aug 22, 2026
- App updated
- Nov 8, 2018
Store sources
- App Store · Store data seen: Sep 21, 2026 · Recently checked
No updates for over two years. This does not prove the app is abandoned.
Plans and limits
Plans and free-tier limits are not verified. Free installation does not mean free usage.
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Marketing versus reality estimates how well promised features are supported; stability estimates complaints about crashes and speed. Project activity is calculated from update recency, review activity and store availability. Percentages are not guarantees or success probabilities; missing data does not mean a zero score.
What it actually doesFree calculation app for Apple Watch, iPhone and iPad with dark interface, scientific calculator, unit converter and counter; works in iMessage but often lags and has limited functionality (no calculation memory, no negative numbers).
Actually does
- ✓Calculator85% of reviews
- ✓Dark mode15% of reviews
- ✓iPad-optimized8% of reviews
- ✓watchOS support
- ✓Ad-free8% of reviews
Claimed, but not confirmed by reviews
- ⚠Unit converter
- ⚠Калькулятор для расчёта чаевых
- ⚠Счётчик (счёт нажатиями или Digital Crown)
- ⚠Drag and Drop для iPad (обмен числами между приложениями)
- ⚠Gesture controls
Common complaints
- ✗App lags and stutters (especially on Apple Watch)25% of mentions
«This is the first time I've seen a calculator that STUTTERS!!! It's awful... / Buttons click and lag»
- ✗Missing memory calculation feature (M+, M-, MR)8% of mentions
«The memory calculation function doesn't work at all. This is one of the most important features in a calculator for me»
- ✗Cannot input negative numbers (on Apple Watch)8% of mentions
«There's no way to enter negative numbers»
- ✗Missing single character deletion function (backspace/delete)8% of mentions
«I wish they would add a 'Delete one character' function»
- ✗Dissatisfaction with button design (round instead of square)8% of mentions
«Not very nice-looking. Buttons should be square with rounded corners»
What people praise
- ★Completely free, no payment required
«Much more functional than many paid alternatives»
- ★Works well on iPad
«If you need a calculator for iPad - I recommend it»
- ★Simple and intuitive interface
«Simple and convenient»
- ★Attractive, beautiful design
«Very beautiful app design»
- ★Responsive interface, no lag (some users' opinion)
«Doesn't lag, multifunctional»