# Stages Flight vs SpiroFit

The clearest difference is review sentiment: SpiroFit at 100% against Stages Flight's 11%. SpiroFit also leads on rating (5.0 vs 4.3). Stages Flight's advantage is ratings volume (446 vs 1) and iOS requirement (9.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

SpiroFit holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Stages Flight has 446 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 11% of Stages Flight's written reviews are positive against 100% of SpiroFit's.

Stages Flight ships an update every 4 weeks, SpiroFit every 3 weeks. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Stages Flight | SpiroFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (446 ratings)](https://appshunter.io/ios/app/stages-flight/id791145540/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spirofit/id6475291331/reviews)** |
| Number of ratings | **446** | 1 |
| Positive reviews | 11.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 22 MB | 8 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SPIA Cycling Inc](https://appshunter.io/developer/508373931) | [SENDSOR GmbH](https://appshunter.io/developer/1723823291) |

## What reviewers say

### Stages Flight

[App page](https://appshunter.io/ios/app/stages-flight/id791145540)

Track indoor and outdoor fitness activities like cycling, running, and hiking. Monitor distance, speed, time, heart rate, and power. Set goals, view workout history, and share achievements with friends.

**Highlights:** GPS tracking for indoor/outdoor activities, Detailed workout metrics (distance, speed, time), Heart rate and power measurement, Workout calendar and progress tracking, Social sharing of activities

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Captures statistics well
- 💡 Useful power zone display
- 👍 Potential to be great

**What reviewers complain about**

- 🐛 Connectivity issues with bikes
- 🐛 Data sync problems
- 👎 Frustrating user experience
- 👎 Lacking features and functionality
- 👎 Unreliable app performance

**Reported bugs**

- App crashes during sign-up
- Inconsistent data between app and bike console
- Heart rate monitor not working
- Inability to save/upload workout data

**Requested features**

- Landscape mode
- Better integration with Apple Watch
- Improved data sync and transfer to other apps
- More detailed workout summaries and analytics


### 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 Stages Flight free?

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

### Is SpiroFit free?

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

### Which has better reviews, Stages Flight or SpiroFit?

SpiroFit is rated higher. Stages Flight averages 4.3 out of 5 from 446 ratings, while SpiroFit averages 5.0 from 1 ratings.

### Do Stages Flight or SpiroFit have ads?

Neither Stages Flight nor SpiroFit shows ads.

### Which is updated more often, Stages Flight or SpiroFit?

Stages Flight ships an update every 4 weeks, and SpiroFit every 3 weeks. Most recently, Stages Flight was updated on October 23, 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.*