# Oral vs Grey Matter Training

The clearest difference is in-app purchases: Oral at none against Grey Matter Training's 1. Oral also leads on ratings volume (202K vs 3) and chart position (#189 vs unranked). Grey Matter Training's advantage is rating (5.0 vs 4.8) and device support (3 vs 1). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Grey Matter Training sells 1 in-app purchase, starting at $399.99 per month. Oral asks for nothing beyond the download.

Grey Matter Training holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Oral has 202K ratings behind it against 3, so its average is the more settled of the two.

Oral ships an update every 6 weeks, Grey Matter Training monthly. The most recent releases landed on October 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Oral | Grey Matter Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (202K ratings)](https://appshunter.io/ios/app/oral-b/id698092608/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/grey-matter-training/id6444868629/reviews)** |
| Number of ratings | **202K** | 3 |
| Positive reviews | 35.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#189** | — |
| Size | 418 MB | 47 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [P&G Health Care](https://appshunter.io/developer/1647607014) | [Michael White](https://appshunter.io/developer/1657473344) |

## What reviewers say

### Oral

[App page](https://appshunter.io/ios/app/oral-b/id698092608)

**Currently charting:** #189 Top Free · Health & Fitness (US App Store)

This app acts as a digital coach for your oral hygiene, guiding you to brush correctly and for the recommended duration. It tracks your brushing habits, provides personalized insights, and helps you monitor gum health.

**Highlights:** Real-time brushing guidance, 3D teeth tracking, AI brushing recognition, Brushing data summary, Personalized coaching tips, Gum bleeding tracker

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent cleaning performance
- 👍 Motivates better brushing habits
- 💡 Useful features like timers and reminders

**What reviewers complain about**

- 🐛 Inconsistent position detection
- 🐛 Sync and data issues
- 🐛 Buggy app updates
- 👎 Cumbersome to use phone while brushing

**Reported bugs**

- App crashes and freezes
- Incorrect time/date recording
- Duplicate/missing brushing sessions
- Inability to edit or delete sessions

**Requested features**

- Allow manual tracking of flossing, rinsing, and tongue cleaning
- Improve accuracy of position detection
- Add Apple Watch integration
- Provide more customization options


### Grey Matter Training

[App page](https://appshunter.io/ios/app/grey-matter-training/id6444868629)

This app offers personalized, science-backed training, nutrition, and supplement guidance for competitive athletes and fitness enthusiasts. It requires a paid coaching plan to access its full features.

**Highlights:** Individualized training plans, Evidence-based nutrition guidance, Supplementation strategies, For physique and strength athletes, For training enthusiasts

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coaching | $399.99 | per month |


## Frequently asked questions

### Is Oral free?

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

### Is Grey Matter Training free?

Grey Matter Training is free to download, with in-app purchases available.

### Which has better reviews, Oral or Grey Matter Training?

Grey Matter Training is rated higher. Oral averages 4.8 out of 5 from 202K ratings, while Grey Matter Training averages 5.0 from 3 ratings.

### Do Oral or Grey Matter Training have ads?

Neither Oral nor Grey Matter Training shows ads.

### Which is updated more often, Oral or Grey Matter Training?

Oral ships an update every 6 weeks, and Grey Matter Training monthly. Most recently, Oral was updated on October 28, 2026 and Grey Matter Training on October 15, 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.*