# JSDA SWEDENTIST vs Perio Box

The clearest difference is update cadence: Perio Box at every 2 months against JSDA SWEDENTIST's every 40 months. Perio Box also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

JSDA SWEDENTIST ships an update every 40 months, Perio Box every 2 months. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | JSDA SWEDENTIST | Perio Box |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 2 months** |
| Size | 61 MB | 72 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Blue Giraffe Inc.](https://appshunter.io/developer/387878162) | [eiichi suzuki](https://appshunter.io/developer/1599025617) |

## What reviewers say

### JSDA SWEDENTIST

[App page](https://appshunter.io/ios/app/jsda-swedentist/id1460219331)

**Features:** macOS Compatibility

**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 JSDA SWEDENTIST free?

JSDA SWEDENTIST 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 JSDA SWEDENTIST or Perio Box have ads?

Neither JSDA SWEDENTIST nor Perio Box shows ads.

### Which is updated more often, JSDA SWEDENTIST or Perio Box?

JSDA SWEDENTIST ships an update every 40 months, and Perio Box every 2 months. Most recently, JSDA SWEDENTIST was updated on October 10, 2026 and Perio Box on October 25, 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.*