Fit Tolerance Calculator
★ 4.8Find an alternative to Fit Tolerance Calculator
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First year: Unknown
Data and scoring
Profile based on reviews and description
- Profile analysed
- Jun 19, 2026
- App updated
- Jan 3, 2026
Store sources
- App Store · Store data seen: Jun 16, 2026 · Data is over 30 days old — check the source
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 doesISO tolerance calculator for computing hole and shaft limit dimensions and determining fit type (clearance/transition/interference) based on entered diameter.
Actually does
- ✓Calculator92% of reviews
- ✓Определение типа посадки (зазор/переход/натяг)17% of reviews
- ✓Dark mode(bonus)8% of reviews
- ✓Russian localization(bonus)17% of reviews
Claimed, but not confirmed by reviews
- ⚠Расчёт минимального и максимального зазора/натяга
Common complaints
- ✗App crashes when selecting Z1/Z2 ranges8% of mentions
«When selecting Z1 or Z2, the app crashes»
- ✗In dark mode, text in the diameter input field blends and is unreadable8% of mentions
«when you enable dark mode, the font blends in the field where you enter the diameter»
- ✗On some iPhones, the entered diameter value does not display in the input field17% of mentions
«on iPhone SE 2017, when entering size, the digit I type does not display»
- ✗Missing requested features: average value display, linear tolerances, result copying25% of mentions
«missing: display of maximum and minimum size values, average value, ability to copy results»
- ✗Issue with decimal input (comma doesn't account for decimal places)8% of mentions
«On the input panel there's only a comma. Decimal places after the comma are not counted»
What people praise
- ★Core functionality works well, convenient app for tolerance calculations
«Thank you so much, I've been looking for such a convenient app for a long time»
- ★Developers respond promptly to feedback and release fixes
«After I sent my feedback, an update came out and the bug was fixed! Respect to the developer!»
- ★Accurate calculations according to ISO standards, supports wide range of parameters
«Everything is perfect»