# Fix Spiro vs WheelLog

The clearest difference is update cadence: WheelLog at every 2 months against Fix Spiro's every 9 months. Fix Spiro's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fix Spiro ships an update every 9 months, WheelLog every 2 months. The most recent releases landed on September 30, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Fix Spiro | WheelLog |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 18 MB | 78 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIR Medical International Research](https://appshunter.io/developer/1010662698) | [mSystems ApS](https://appshunter.io/developer/1335386827) |

## 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


### WheelLog

[App page](https://appshunter.io/ios/app/wheellog/id6752774242)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fix Spiro free?

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

### Is WheelLog free?

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

### Do Fix Spiro or WheelLog have ads?

Neither Fix Spiro nor WheelLog shows ads.

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

Fix Spiro ships an update every 9 months, and WheelLog every 2 months. Most recently, Fix Spiro was updated on September 30, 2026 and WheelLog on October 18, 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.*