# e+ 體積 vs SUEP電子書

The clearest difference is update cadence: SUEP電子書 at fortnightly against e+ 體積's every 5 months. SUEP電子書 also leads on device support (3 vs 1). e+ 體積's advantage is iOS requirement (8.0 vs 15.6). 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+ 體積 ships an update every 5 months, SUEP電子書 fortnightly. Both last shipped on October 6, 2026.

## The numbers

| Metric | e+ 體積 | SUEP電子書 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Size | 85 MB | 138 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [SUEP](https://appshunter.io/developer/660144353) |

## What reviewers say

### e+ 體積

[App page](https://appshunter.io/ios/app/e-plus/id1049609383)

**Features:** macOS Compatibility

**In-app purchases:** none


### SUEP電子書

[App page](https://appshunter.io/ios/app/suep/id6446078844)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e+ 體積 free?

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

### Is SUEP電子書 free?

SUEP電子書 is free to download, with no in-app purchases.

### Do e+ 體積 or SUEP電子書 have ads?

Neither e+ 體積 nor SUEP電子書 shows ads.

### Which is updated more often, e+ 體積 or SUEP電子書?

e+ 體積 ships an update every 5 months, and SUEP電子書 fortnightly. Most recently, e+ 體積 was updated on October 6, 2026 and SUEP電子書 on October 6, 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.*