# Fitter vs Onelap

The clearest difference is rating: Fitter at 4.7 against Onelap's 2.8. Fitter also leads on update cadence (weekly vs every 2 months) and review sentiment (50% vs 29%). Onelap's advantage is ads (none vs shown) and device support (3 vs 1). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Fitter sells 1 one-off in-app purchase and Onelap sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Fitter holds the better App Store score, 4.7 against 2.8. Both are backed by a comparable volume of ratings — 68 and 22 respectively. Written reviews point the same way: 50% of Fitter's written reviews are positive against 29% of Onelap's.

Fitter ships an update weekly, Onelap every 2 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fitter | Onelap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (68 ratings)](https://appshunter.io/ios/app/fitter-bike/id1528225944/reviews)** | [2.8 (22 ratings)](https://appshunter.io/ios/app/onelap/id1531815013/reviews) |
| Number of ratings | **68** | 22 |
| Positive reviews | **50.0% of reviews** | 29.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 39 MB | 850 MB |
| Requires iOS | 17 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jongheon Lee](https://appshunter.io/developer/1528225946) | [Onelap Co., Ltd.](https://appshunter.io/developer/1258421011) |

## What reviewers say

### Fitter

[App page](https://appshunter.io/ios/app/fitter-bike/id1528225944)

Improve your cycling efficiency and safety with AI-powered posture analysis.  Simply record a video of yourself riding to receive an easy diagnosis and corrections for improper saddle height, reducing injury risk.

**Highlights:** AI-powered posture diagnosis, Video analysis of riding posture, Saddle height correction, Injury risk reduction, Improved cycling efficiency

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


### Onelap

[App page](https://appshunter.io/ios/app/onelap/id1531815013)

Explore over 100km of diverse cycling routes, from flat roads to mountain climbs. Engage in professional training programs with data analysis and customized courses. Burn fat with music-matched workouts and compete in virtual races with thousands of users.

**Highlights:** Extensive cycling route library, Customizable route creation, Scientific power training courses, Music-synced fat burning workouts, Online virtual cycling competitions, Real-time race experience

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1- month subscribition service | $4.99 | one-time |
| 3-month subscribition | $14.99 | one-time |
| 3 - months subscribition | $14.99 | one-time |
| 12-month subscribition | $54.99 | one-time |
| 12 - months subscribition | $54.99 | one-time |


## Frequently asked questions

### Is Fitter free?

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

### Is Onelap free?

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

### Which has better reviews, Fitter or Onelap?

Fitter is rated higher. Fitter averages 4.7 out of 5 from 68 ratings, while Onelap averages 2.8 from 22 ratings.

### Do Fitter or Onelap have ads?

Fitter shows ads; Onelap does not.

### Which is updated more often, Fitter or Onelap?

Fitter ships an update weekly, and Onelap every 2 months. Most recently, Fitter was updated on October 27, 2026 and Onelap on October 25, 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.*