# Fix Spiro vs Sunduqz

The clearest difference is update cadence: Sunduqz at every 2 weeks against Fix Spiro's every 9 months. Fix Spiro's advantage is iOS requirement (9.0 vs 16.4). 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, Sunduqz every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Fix Spiro | Sunduqz |
| --- | --- | --- |
| 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 weeks** |
| Monetization | Free | — |
| Size | 18 MB | 48 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIR Medical International Research](https://appshunter.io/developer/1010662698) | [Abdul Motaleb Al Hajj](https://appshunter.io/developer/1828196495) |

## 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


### Sunduqz

[App page](https://appshunter.io/ios/app/sunduqz/id6748949751)

**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 Sunduqz free?

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

### Do Fix Spiro or Sunduqz have ads?

Neither Fix Spiro nor Sunduqz shows ads.

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

Fix Spiro ships an update every 9 months, and Sunduqz every 2 weeks. Most recently, Fix Spiro was updated on October 24, 2026 and Sunduqz on October 24, 2026.

---

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