# OneRen vs ActivityBuddy

The clearest difference is iOS requirement: OneRen at 15.0 against ActivityBuddy's 18.0. 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.

OneRen ships an update every 2 months, ActivityBuddy every 5 weeks. The most recent releases landed on September 10, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | OneRen | ActivityBuddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oneren/id1644933095/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 100 MB | 65 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Renfrewshire Leisure Limited](https://appshunter.io/developer/1644933097) | [ActivityPro Ltd.](https://appshunter.io/developer/933176723) |

## What reviewers say

### OneRen

[App page](https://appshunter.io/ios/app/oneren/id1644933095)

Easily book and manage fitness classes on the go. Receive real-time updates on class schedules, news, and special offers. Connect with your favorite fitness centers and share your activities with friends.

**Highlights:** Fitness class timetables, Real-time booking management, Center information and opening times, News and push notifications, Special offers and promotions, HealthKit integration for activity sharing

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

**In-app purchases:** none


### ActivityBuddy

[App page](https://appshunter.io/ios/app/activitybuddy/id6612029343)

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

**In-app purchases:** none


## Frequently asked questions

### Is OneRen free?

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

### Is ActivityBuddy free?

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

### Do OneRen or ActivityBuddy have ads?

Neither OneRen nor ActivityBuddy shows ads.

### Which is updated more often, OneRen or ActivityBuddy?

OneRen ships an update every 2 months, and ActivityBuddy every 5 weeks. Most recently, OneRen was updated on September 10, 2026 and ActivityBuddy on August 23, 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.*