# Unbeatable Challenges vs SpiroFit

The clearest difference is update cadence: SpiroFit at every 3 weeks against Unbeatable Challenges's every 7 months. Unbeatable Challenges's advantage is iOS requirement (14.1 vs 17.6). 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.

Unbeatable Challenges ships an update every 7 months, SpiroFit every 3 weeks. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Unbeatable Challenges | SpiroFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spirofit/id6475291331/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 53 MB | 8 MB |
| Requires iOS | **14.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Kodiee Portal](https://appshunter.io/developer/1670625319) | [SENDSOR GmbH](https://appshunter.io/developer/1723823291) |

## What reviewers say

### Unbeatable Challenges

[App page](https://appshunter.io/ios/app/unbeatable-challenges/id1670625317)

**Features:** macOS Compatibility

**In-app purchases:** none


### SpiroFit

[App page](https://appshunter.io/ios/app/spirofit/id6475291331)

Track key respiratory and heart metrics live during workouts like running or cycling. Analyze professional data for optimal training intensity. Suitable for coaches, professional athletes, and fitness enthusiasts.

**Highlights:** Live respiratory rate tracking, Live heart rate monitoring, Tidal volume measurement, O2 consumption tracking, CO2 output tracking, Professional data analysis, Real-time training feedback

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

**In-app purchases:** none


## Frequently asked questions

### Is Unbeatable Challenges free?

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

### Is SpiroFit free?

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

### Do Unbeatable Challenges or SpiroFit have ads?

Neither Unbeatable Challenges nor SpiroFit shows ads.

### Which is updated more often, Unbeatable Challenges or SpiroFit?

Unbeatable Challenges ships an update every 7 months, and SpiroFit every 3 weeks. Most recently, Unbeatable Challenges was updated on October 17, 2026 and SpiroFit on October 10, 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.*