# OneSmile vs Kei Pilates

The clearest difference is update cadence: OneSmile at every 2 weeks against Kei Pilates's every 9 months. Kei Pilates's advantage is iOS requirement (13.0 vs 15.6). 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.

OneSmile ships an update every 2 weeks, Kei Pilates every 9 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OneSmile | Kei Pilates |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Size | 160 MB | 16 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PT APLIKASI KOTA PINTAR](https://appshunter.io/developer/1619532388) | [PT. Kei Pilates Indonesia](https://appshunter.io/developer/1747843105) |

## What reviewers say

### OneSmile

[App page](https://appshunter.io/ios/app/onesmile/id1551898065)

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

**In-app purchases:** none


### Kei Pilates

[App page](https://appshunter.io/ios/app/kei-pilates/id6503033019)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneSmile free?

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

### Is Kei Pilates free?

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

### Do OneSmile or Kei Pilates have ads?

Neither OneSmile nor Kei Pilates shows ads.

### Which is updated more often, OneSmile or Kei Pilates?

OneSmile ships an update every 2 weeks, and Kei Pilates every 9 months. Most recently, OneSmile was updated on November 3, 2026 and Kei Pilates 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.*