# e+ 體積 vs 紙言

The clearest difference is update cadence: 紙言 at weekly against e+ 體積's every 5 months. 紙言 also leads on device support (3 vs 1). e+ 體積's advantage is iOS requirement (8.0 vs 18.0). 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+ 體積 ships an update every 5 months, 紙言 weekly. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | e+ 體積 | 紙言 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/id1087915191/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 85 MB | 12 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [invivo](https://appshunter.io/developer/1003008677) |

## What reviewers say

### e+ 體積

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 紙言

[App page](https://appshunter.io/ios/app/id1087915191)

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Good app
- 👍 Excellent app
- 👍 Support the app
- 👍 Convenient to use
- 👍 Good companion for commute

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 App keeps crashing
- 🐛 Constant crashing
- 🐛 App is buggy
- 🐛 High battery drain

**Reported bugs**

- App crashes frequently
- App keeps crashing
- Constant crashing
- App is buggy
- App drains battery

**Requested features**

- Add writing function on mobile
- Add bookmark function
- Add history record
- Add dark mode (black background with white text)
- Add offline reading functionality


## Frequently asked questions

### Is e+ 體積 free?

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

### Is 紙言 free?

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

### Do e+ 體積 or 紙言 have ads?

Neither e+ 體積 nor 紙言 shows ads.

### Which is updated more often, e+ 體積 or 紙言?

e+ 體積 ships an update every 5 months, and 紙言 weekly. Most recently, e+ 體積 was updated on November 11, 2026 and 紙言 on November 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.*