# Fix Spiro vs Thoth

The clearest difference is in-app purchases: Fix Spiro at none against Thoth's 6. Fix Spiro also leads on iOS requirement (9.0 vs 26.0). Thoth's advantage is update cadence (every 6 weeks vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Thoth sells 6 in-app purchases, starting at $3.99 per month. Fix Spiro asks for nothing beyond the download.

Fix Spiro ships an update every 9 months, Thoth every 6 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Fix Spiro | Thoth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/fix-spiro/id1298621362/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 18 MB | 205 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [MIR Medical International Research](https://appshunter.io/developer/1010662698) | [Matthieu Veinhard](https://appshunter.io/developer/1817967128) |

## What reviewers say

### Fix Spiro

[App page](https://appshunter.io/ios/app/fix-spiro/id1298621362)

This app helps you manage and update the firmware for your smart spirometry and peak flow meter devices. It automatically checks for and applies necessary Bluetooth and internal software updates.

**Highlights:** Automatic firmware updates, Bluetooth device management, Internal software updates, Smart spirometry support, Peak flow meter support

**Features:** macOS Compatibility

**In-app purchases:** none


### Thoth

[App page](https://appshunter.io/ios/app/thoth-your-private-ai-scribe/id6756965313)

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thoth Pro Mobile Monthly | $3.99 | per month |
| Monthly Access to Pro Features | $6.99 | per month |
| Thoth Pro Mobile Yearly | $22.99 | per year |
| Yearly Access to Pro Features | $39.99 | per year |
| Thoth Pro Mobile Lifetime | $34.99 | one-time |
| Lifetime Access to Pro Features | $49.99 | one-time |


## Frequently asked questions

### Is Fix Spiro free?

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

### Is Thoth free?

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

### Do Fix Spiro or Thoth have ads?

Neither Fix Spiro nor Thoth shows ads.

### Which is updated more often, Fix Spiro or Thoth?

Fix Spiro ships an update every 9 months, and Thoth every 6 weeks. Most recently, Fix Spiro was updated on October 24, 2026 and Thoth on October 28, 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.*