# O-TRAINER

> O-TRAINER (iPhone/iPad app by Morson Japan.)

- Source: https://appshunter.io/ios/app/o/id6443540195 (this page in markdown: same URL + `.md`)
- Developer: [Morson Japan](https://appshunter.io/developer/496417616)
- Category: Health & Fitness, Medical
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 15.0 · 49 MB
- Languages: English, Japanese
- Released: 2023-06-27
- Data updated: 2026-01-07
- User reviews in markdown: https://appshunter.io/ios/app/o/id6443540195/reviews.md

## What is O?

* Measure your chewing age! *
This application is only available for devices that support ARKit FaceTracking (FaceID-enabled devices or devices with Apple A13 Bionic chip or later). Please check the Compatible Devices section of our website (https://www.morson.jp/o-trainer/) for supported models.

O-TRAINER is an application that supports your chewing training.
It has been created to help those who want to improve their chewing and swallowing ability.


Training the ability to chew and swallow not only helps prevent aspiration pneumonia and oral frail.
It also extends healthy life span and makes it possible to enjoy eating and talking more.
Let's use the O-TRAINER, chew a lot, and stay healthy!

With the O-TRAINER, you can
* Train your mouth
* Measure your chewing age by facing the device's camera while taking a meal
* Measure the number of times you chew and the speed at which you chew.
* Look back on your meal records

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| プレミアムプラン（１ヶ月） | $2.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 広告を削除 | $2.99 | one-time |



## Version history (last 5 releases)

### 1.13 — 2025-04-17

・Minor bug fixes
・Added PA-TA-KA Check

### 1.12 — 2024-07-03

・Fixed a crash problem in some environments.
・Fixed UI problems.

### 1.11 — 2024-06-06

・Minor bug fixes
・Improvements to UI.

### 1.10 — 2024-01-22

・Minor bug fixes
・Improvements to account deletion requests

### 1.09 — 2024-01-19

* English version is now available.
* UI adjustments

## Apps similar to O

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [おうちDEリハ - 自宅でできるリハビリガイド](https://appshunter.io/ios/app/de/id1610713529) | — | Free | Health & Fitness |
| [おくち元気チェック](https://appshunter.io/ios/app/id1551582346) | — | Free | Health & Fitness |
| [SmileScan （スマイルスキャン）](https://appshunter.io/ios/app/smilescan/id6740604473) | — | Free | Health & Fitness |

## More apps by Morson Japan

- [Dialysis Diary](https://appshunter.io/ios/app/dialysis-diary/id842584612)
- [Pocket MIDI Mobile](https://appshunter.io/ios/app/pocket-midi-mobile/id1498436059)

All apps by Morson Japan: https://appshunter.io/developer/496417616

## Related topics

[insta chew](https://appshunter.io/ios/topics/insta-chew)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-01-07.*