# ISO Fits vs Voice Transcriber AI

The clearest difference is price: ISO Fits at Free against Voice Transcriber AI's $0.99. ISO Fits also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Voice Transcriber AI's advantage is in-app purchases (none vs 1) and update cadence (every 9 days vs every 5 months). On ads there is nothing between them.

ISO Fits is free to download; Voice Transcriber AI costs $0.99 up front. ISO Fits sells 1 one-off in-app purchase. Voice Transcriber AI asks for nothing beyond the download.

ISO Fits ships an update every 5 months, Voice Transcriber AI every 9 days. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | ISO Fits | Voice Transcriber AI |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/iso-fits/id396863755/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 94.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Hui Chan Seo](https://appshunter.io/developer/1752535972) |

## 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 |


### Voice Transcriber AI

[App page](https://appshunter.io/ios/app/voice-transcriber-ai/id6758484418)

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

**In-app purchases:** none


## Frequently asked questions

### Is ISO Fits free?

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

### Is Voice Transcriber AI free?

Voice Transcriber AI costs $0.99, with no in-app purchases.

### Do ISO Fits or Voice Transcriber AI have ads?

Neither ISO Fits nor Voice Transcriber AI shows ads.

### Which is updated more often, ISO Fits or Voice Transcriber AI?

ISO Fits ships an update every 5 months, and Voice Transcriber AI every 9 days. Most recently, ISO Fits was updated on November 6, 2026 and Voice Transcriber AI on November 11, 2026.

---

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