# Fit Tolerance ISO vs Precitool

The clearest difference is ads: Precitool at none against Fit Tolerance ISO's shown. Precitool also leads on iOS requirement (9.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Fit Tolerance ISO | Precitool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fit-tolerance-iso/id1251895012/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | — |
| Monetization | Ad-supported | — |
| Size | 51 MB | 20 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasar Yucel Yesilbag](https://appshunter.io/developer/1251895011) | [Sarka Korinkova](https://appshunter.io/developer/1267273602) |

## What reviewers say

### Fit Tolerance ISO

[App page](https://appshunter.io/ios/app/fit-tolerance-iso/id1251895012)

Calculates engineering tolerances for various mechanical components based on ISO and ANSI standards. It determines size limits, deviations, and fit types for holes and shafts, offering schematic representations of fits.

**Highlights:** Calculates engineering tolerances, Supports ISO and ANSI standards, Determines clearance, transition, and interference fits, Provides schematic fit representations, Includes preferred tolerances and fits, Works with metric units

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Precitool

[App page](https://appshunter.io/ios/app/precitool/id1327731951)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fit Tolerance ISO free?

Fit Tolerance ISO is free to download, with no in-app purchases.

### Is Precitool free?

Precitool is free to download, with no in-app purchases.

### Do Fit Tolerance ISO or Precitool have ads?

Fit Tolerance ISO shows ads; Precitool does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*