# Dent Pad vs Periodontal Chart

The clearest difference is in-app purchases: Dent Pad at none against Periodontal Chart's 2. Dent Pad also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.1). Periodontal Chart's advantage is update cadence (weekly vs every 3 months) and device support (4 vs 1). On price there is nothing between them.

Both are free to download. Periodontal Chart sells 2 in-app purchases, starting at $1.99 per month. Dent Pad asks for nothing beyond the download.

Dent Pad ships an update every 3 months, Periodontal Chart weekly. The most recent releases landed on October 10, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Dent Pad | Periodontal Chart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 39 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 12+ |
| Developer | [Life Sciences Computing Corporation](https://appshunter.io/developer/395090434) | [Yuki Kuwahara](https://appshunter.io/developer/1464637125) |

## What reviewers say

### Dent Pad

[App page](https://appshunter.io/ios/app/dent-pad/id540328992)

**Features:** macOS Compatibility

**In-app purchases:** none


### Periodontal Chart

[App page](https://appshunter.io/ios/app/periodontal-chart/id1603040583)

This app allows dentists to create, save, and print detailed periodontal examination charts. It supports input for PPD, Mobility, and PCR measurements, streamlining patient data management for dental professionals.

**Highlights:** Create periodontal charts, Input PPD, Mobility, PCR, Save patient data, Print examination records, Designed for dentists

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ペリオチャートサブスクリプション | $1.99 | per month |
| ペリオチャートサブスクリプション | $5.99 | per month |


## Frequently asked questions

### Is Dent Pad free?

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

### Is Periodontal Chart free?

Periodontal Chart is free to download, with in-app purchases available.

### Do Dent Pad or Periodontal Chart have ads?

Periodontal Chart shows ads; Dent Pad does not.

### Which is updated more often, Dent Pad or Periodontal Chart?

Dent Pad ships an update every 3 months, and Periodontal Chart weekly. Most recently, Dent Pad was updated on October 10, 2026 and Periodontal Chart on October 27, 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.*