# Dental Diary vs Perio Brain

Dental Diary and Perio Brain are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dental Diary ships an update every 6 months, Perio Brain every 3 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Dental Diary | Perio Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (37 ratings)](https://appshunter.io/ios/app/perio-brain/id1567282977/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | — | 92.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 27 MB | 50 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Welltime Ltd.](https://appshunter.io/developer/412469454) | [SHO Me Digital Ltd](https://appshunter.io/developer/1537565630) |

## What reviewers say

### Dental Diary

[App page](https://appshunter.io/ios/app/dental-diary/id1459887528)

**Features:** macOS Compatibility

**In-app purchases:** none


### Perio Brain

[App page](https://appshunter.io/ios/app/perio-brain/id1567282977)

This app assists dental professionals in classifying periodontal disease using assessment values. It helps dentists and students formulate quicker diagnoses and treatment plans based on current guidance.

**Highlights:** Periodontitis diagnosis formulation, Periodontal disease classification, Evidence-based diagnostic tool, Treatment planning assistance, Utilizes latest published guidance

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Dental Diary free?

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

### Is Perio Brain free?

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

### Do Dental Diary or Perio Brain have ads?

Neither Dental Diary nor Perio Brain shows ads.

### Which is updated more often, Dental Diary or Perio Brain?

Dental Diary ships an update every 6 months, and Perio Brain every 3 months. Most recently, Dental Diary was updated on October 7, 2026 and Perio Brain on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*