# GymSync vs O.N.E

The clearest difference is update cadence: GymSync at weekly against O.N.E's every 3 weeks. 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.

GymSync ships an update weekly, O.N.E every 3 weeks. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | GymSync | O.N.E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gymsync/id561653066/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 40 MB | 56 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SD17](https://appshunter.io/developer/1718054285) | [Ryan Smith](https://appshunter.io/developer/1807403196) |

## What reviewers say

### GymSync

[App page](https://appshunter.io/ios/app/gymsync/id561653066)

Easily book and manage fitness classes at your gym. View schedules, reserve spots, and receive timely reminders. Get instant notifications for cancellations and reserve list openings.

**Highlights:** View class timetables, Book and cancel classes, Join reserve lists, Class reminders, Instant notifications

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

**In-app purchases:** none


### O.N.E

[App page](https://appshunter.io/ios/app/one/id6744374659)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GymSync free?

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

### Is O.N.E free?

O.N.E is free to download, with no in-app purchases.

### Do GymSync or O.N.E have ads?

Neither GymSync nor O.N.E shows ads.

### Which is updated more often, GymSync or O.N.E?

GymSync ships an update weekly, and O.N.E every 3 weeks. Most recently, GymSync was updated on September 30, 2026 and O.N.E on October 1, 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.*