# E vs 透かし清書 2026

The clearest difference is update cadence: E at every 2 weeks against 透かし清書 2026's every 2 months. E also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

E ships an update every 2 weeks, 透かし清書 2026 every 2 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | E | 透かし清書 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 62 MB | 25 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eisuke Togashi](https://appshunter.io/developer/592398746) | [Baigen INC](https://appshunter.io/developer/1676579619) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-sensor/id6760690492)

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

**In-app purchases:** none


### 透かし清書 2026

[App page](https://appshunter.io/ios/app/2026/id6789890636)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is 透かし清書 2026 free?

透かし清書 2026 is free to download, with no in-app purchases.

### Do E or 透かし清書 2026 have ads?

Neither E nor 透かし清書 2026 shows ads.

### Which is updated more often, E or 透かし清書 2026?

E ships an update every 2 weeks, and 透かし清書 2026 every 2 months. Most recently, E was updated on September 10, 2026 and 透かし清書 2026 on September 18, 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.*