# ISO Fits vs ucloud

The clearest difference is review sentiment: ISO Fits at 95% against ucloud's 0%. ISO Fits also leads on rating (4.2 vs 1.0) and update cadence (every 5 months vs every 13 months). ucloud's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 15.6). 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. ucloud asks for nothing beyond the download.

ISO Fits holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: ISO Fits has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 95% of ISO Fits's written reviews are positive against 0% of ucloud's.

ISO Fits ships an update every 5 months, ucloud every 13 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ISO Fits | ucloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/iso-fits/id396863755/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ucloud/id1081522501/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | **94.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 13 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 56 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [regio iT](https://appshunter.io/developer/465895337) |

## 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 |


### ucloud

[App page](https://appshunter.io/ios/app/ucloud/id1081522501)

Securely exchange sealed documents and messages online. Access your confidential files from your iPad and iPhone. This app enhances your existing account with mobile access, ensuring your sensitive data is protected by patented Sealed-Cloud technology.

**Highlights:** Sealed document exchange, Secure message exchange, Mobile access to confidential documents, Cross-company communication, Patented Sealed-Cloud technology, Data protection

**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 ucloud free?

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

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

ISO Fits is rated higher. ISO Fits averages 4.2 out of 5 from 6 ratings, while ucloud averages 1.0 from 1 ratings.

### Do ISO Fits or ucloud have ads?

Neither ISO Fits nor ucloud shows ads.

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

ISO Fits ships an update every 5 months, and ucloud every 13 months. Most recently, ISO Fits was updated on October 9, 2026 and ucloud on October 2, 2026.

---

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