# 1D | 日本最大級の歯科医療メディア vs Perio Box

The clearest difference is update cadence: 1D | 日本最大級の歯科医療メディア at every 3 weeks against Perio Box's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

1D | 日本最大級の歯科医療メディア ships an update every 3 weeks, Perio Box every 2 months. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 1D | 日本最大級の歯科医療メディア | Perio Box |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 63 MB | 72 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [1D inc.](https://appshunter.io/developer/566809181) | [eiichi suzuki](https://appshunter.io/developer/1599025617) |

## What reviewers say

### 1D | 日本最大級の歯科医療メディア

[App page](https://appshunter.io/ios/app/1d/id1461470012)

Access a vast library of dental seminars and master courses from top clinicians and researchers. Learn efficiently with features like variable playback speed and slide search. Cancel anytime.

**Highlights:** Daily new dental seminars, 1,000+ dental seminars available, 14 fields, 100+ hours master courses, Variable playback speed, My list and slide search, Cancel anytime

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

**In-app purchases:** none


### Perio Box

[App page](https://appshunter.io/ios/app/perio-box/id1599025615)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1D | 日本最大級の歯科医療メディア free?

1D | 日本最大級の歯科医療メディア is free to download, with no in-app purchases.

### Is Perio Box free?

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

### Do 1D | 日本最大級の歯科医療メディア or Perio Box have ads?

Neither 1D | 日本最大級の歯科医療メディア nor Perio Box shows ads.

### Which is updated more often, 1D | 日本最大級の歯科医療メディア or Perio Box?

1D | 日本最大級の歯科医療メディア ships an update every 3 weeks, and Perio Box every 2 months. Most recently, 1D | 日本最大級の歯科医療メディア was updated on September 21, 2026 and Perio Box on September 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.*