# Oh my teeth vs Rhythm　〜心の天気予報〜

The clearest difference is in-app purchases: Oh my teeth at none against Rhythm　〜心の天気予報〜's 1. Oh my teeth also leads on iOS requirement (15.0 vs 17.6). Rhythm　〜心の天気予報〜's advantage is update cadence (every 8 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Rhythm　〜心の天気予報〜 sells 1 in-app purchase, starting at $2.99 per month. Oh my teeth asks for nothing beyond the download.

Oh my teeth ships an update every 4 weeks, Rhythm　〜心の天気予報〜 every 8 days. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Oh my teeth | Rhythm　〜心の天気予報〜 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oh-my-teeth-camera/id1502743126/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Monetization | Free | — |
| Size | 138 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Oh my teeth, Co.](https://appshunter.io/developer/1502743125) | [KOBAYASHI HIROAKI](https://appshunter.io/developer/1895421991) |

## What reviewers say

### Oh my teeth

[App page](https://appshunter.io/ios/app/oh-my-teeth-camera/id1502743126)

This app offers a discreet and affordable teeth straightening service using transparent aligners. It aims to reduce the need for frequent clinic visits and provides personalized coaching throughout the treatment process.

**Highlights:** Invisible transparent aligners, Affordable teeth straightening, Minimal clinic visits, Personalized coaching support, DTC dental service

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

**In-app purchases:** none


### Rhythm　〜心の天気予報〜

[App page](https://appshunter.io/ios/app/rhythm/id6777410937)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rhythm プレミアム | $2.99 | per month |


## Frequently asked questions

### Is Oh my teeth free?

Oh my teeth is free to download, with no in-app purchases.

### Is Rhythm　〜心の天気予報〜 free?

Rhythm　〜心の天気予報〜 is free to download, with in-app purchases available.

### Do Oh my teeth or Rhythm　〜心の天気予報〜 have ads?

Neither Oh my teeth nor Rhythm　〜心の天気予報〜 shows ads.

### Which is updated more often, Oh my teeth or Rhythm　〜心の天気予報〜?

Oh my teeth ships an update every 4 weeks, and Rhythm　〜心の天気予報〜 every 8 days. Most recently, Oh my teeth was updated on October 9, 2026 and Rhythm　〜心の天気予報〜 on October 17, 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.*