# One Leisure vs Calmababy

The clearest difference is review sentiment: One Leisure at 18% against Calmababy's 0%. One Leisure also leads on monetization model (free vs ad-supported). 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.

One Leisure ships an update every 5 weeks, Calmababy monthly. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | One Leisure | Calmababy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/one-leisure/id809667316/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **18.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 104 MB | 194 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [One Leisure](https://appshunter.io/developer/1436602534) | [Calmababy Ltd](https://appshunter.io/developer/1462085179) |

## What reviewers say

### One Leisure

[App page](https://appshunter.io/ios/app/one-leisure/id809667316)

Manage your One Leisure facility activities from your phone. Book classes, view timetables, get news and offers, and receive important notifications. Share activities with friends and integrate with Apple HealthKit for activity tracking.

**Highlights:** Activity booking, Real-time class timetables, News and event notifications, Special offers alerts, Contact and directions, Social sharing, Apple HealthKit integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Calmababy

[App page](https://appshunter.io/ios/app/calmababy/id1125028711)

Easily book, schedule, and manage your child's swimming lessons. View class schedules, sign up, cancel, or rearrange lessons, and find the center's location. Optimize your time and enjoy the convenience of managing activities from your device.

**Highlights:** View class schedules, Sign up for classes, Cancel and rearrange lessons, View center location, Optimize time and convenience

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

**In-app purchases:** none


## Frequently asked questions

### Is One Leisure free?

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

### Is Calmababy free?

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

### Do One Leisure or Calmababy have ads?

Neither One Leisure nor Calmababy shows ads.

### Which is updated more often, One Leisure or Calmababy?

One Leisure ships an update every 5 weeks, and Calmababy monthly. Most recently, One Leisure was updated on October 20, 2026 and Calmababy on October 4, 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.*