# Precitool vs Fit Tolerance ISO Pro

The clearest difference is price: Precitool at Free against Fit Tolerance ISO Pro's $0.99. Precitool also leads on iOS requirement (9.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Precitool is free to download; Fit Tolerance ISO Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Precitool | Fit Tolerance ISO Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fit-tolerance-iso-pro/id1397159146/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 12 months |
| Monetization | — | Paid |
| Size | 20 MB | 47 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sarka Korinkova](https://appshunter.io/developer/1267273602) | [Yasar Yucel Yesilbag](https://appshunter.io/developer/1251895011) |

## What reviewers say

### Precitool

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Fit Tolerance ISO Pro

[App page](https://appshunter.io/ios/app/fit-tolerance-iso-pro/id1397159146)

Calculate engineering tolerances for various mechanical components like bearings, shafts, and housings. It adheres to ISO and ANSI standards, providing size limits, deviations, and fit types. Visual representations of fits are also generated.

**Highlights:** Calculate engineering tolerances, Supports ISO and ANSI standards, Determines clearance, transition, and interference fits, Provides schematic fit representations, Includes preferred tolerances and fits, Calculates size limits and deviations

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

**In-app purchases:** none


## Frequently asked questions

### Is Precitool free?

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

### Is Fit Tolerance ISO Pro free?

Fit Tolerance ISO Pro costs $0.99, with no in-app purchases.

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

Neither Precitool nor Fit Tolerance ISO Pro shows ads.

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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.*