# ISO Fits vs Easy

The clearest difference is in-app purchases: Easy at none against ISO Fits's 1. Easy also leads on update cadence (every 2 months vs every 5 months) and ratings volume (19 vs 6). ISO Fits's advantage is rating (4.2 vs 3.9) and review sentiment (95% vs 80%). On price, ads and device support there is nothing between them.

Both are free to download. ISO Fits sells 1 one-off in-app purchase. Easy asks for nothing beyond the download.

ISO Fits holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 6 and 19 respectively. Written reviews point the same way: 95% of ISO Fits's written reviews are positive against 80% of Easy's.

ISO Fits ships an update every 5 months, Easy every 2 months. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ISO Fits | Easy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/iso-fits/id396863755/reviews)** | [3.9 (19 ratings)](https://appshunter.io/ios/app/easy-laser-xt-alignment/id1146769968/reviews) |
| Number of ratings | 6 | **19** |
| Positive reviews | **94.6% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 518 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Easy-Laser AB](https://appshunter.io/developer/990206230) |

## What reviewers say

### ISO Fits

[App page](https://appshunter.io/ios/app/iso-fits/id396863755)

Calculate ISO fits and tolerances for shafts and bores. Supports metric and inch units, displays detailed fit definitions, and includes visual charts and educational videos.

**Highlights:** ISO fits calculation, Tolerance class display, Metric/inch unit switching, Tolerance charts, Updated YouTube videos

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version with complete ISO286 Standard | $1.99 | one-time |


### Easy

[App page](https://appshunter.io/ios/app/easy-laser-xt-alignment/id1146769968)

This app works with specialized hardware to align rotating machinery and belt drives. It offers guided measurement processes, generates reports in PDF and Excel, and includes a searchable user manual. A demo mode allows testing functionality without the hardware.

**Highlights:** All measurement programs in one app, Intuitive step-by-step guidance, PDF and Excel report generation, Include photos and digital signatures in reports, Searchable user manual, Virtual demo detectors

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ISO Fits free?

ISO Fits is free to download, with in-app purchases available.

### Is Easy free?

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

### Which has better reviews, ISO Fits or Easy?

ISO Fits is rated higher. ISO Fits averages 4.2 out of 5 from 6 ratings, while Easy averages 3.9 from 19 ratings.

### Do ISO Fits or Easy have ads?

Neither ISO Fits nor Easy shows ads.

### Which is updated more often, ISO Fits or Easy?

ISO Fits ships an update every 5 months, and Easy every 2 months. Most recently, ISO Fits was updated on October 16, 2026 and Easy on October 2, 2026.

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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.*