# デンタツくん vs e

The clearest difference is update cadence: デンタツくん at fortnightly against e's every 2 months. デンタツくん also leads on iOS requirement (12.0 vs 17.6). 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.

デンタツくん ships an update fortnightly, e every 2 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | デンタツくん | e |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 55 MB | 97 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SUMI DENKI KOGYOSHO, K.K.](https://appshunter.io/developer/1451040044) | [JTEKT CORPORATION](https://appshunter.io/developer/1349080826) |

## What reviewers say

### デンタツくん

[App page](https://appshunter.io/ios/app/id1511270444)

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

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-work-guide/id1665487229)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is デンタツくん free?

デンタツくん is free to download, with no in-app purchases.

### Is e free?

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

### Do デンタツくん or e have ads?

Neither デンタツくん nor e shows ads.

### Which is updated more often, デンタツくん or e?

デンタツくん ships an update fortnightly, and e every 2 months. Most recently, デンタツくん was updated on October 15, 2026 and e on October 2, 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.*