# e+正方形和長方形 vs SJRC

The clearest difference is update cadence: SJRC at every 3 weeks against e+正方形和長方形's every 15 months. SJRC also leads on device support (3 vs 1). e+正方形和長方形's advantage is iOS requirement (11.0 vs 15.0). 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+正方形和長方形 ships an update every 15 months, SJRC every 3 weeks. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | e+正方形和長方形 | SJRC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/sjrc/id1659643643/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 25 MB | 131 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [Enrich Spot Limited](https://appshunter.io/developer/1659643645) |

## What reviewers say

### e+正方形和長方形

[App page](https://appshunter.io/ios/app/e-plus/id1112068166)

**Features:** macOS Compatibility

**In-app purchases:** none


### SJRC

[App page](https://appshunter.io/ios/app/sjrc/id1659643643)

Access a vast library of over 3,000 books designed for educational settings. This platform supports multiple users simultaneously and is regularly updated with new titles, making it easy for teachers and students to find and explore reading materials.

**Highlights:** Over 3,000 books, Supports multiple concurrent users, Constantly updated library, Detailed classification and search, Aids school reading plans

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

**In-app purchases:** none


## Frequently asked questions

### Is e+正方形和長方形 free?

e+正方形和長方形 is free to download, with no in-app purchases.

### Is SJRC free?

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

### Do e+正方形和長方形 or SJRC have ads?

Neither e+正方形和長方形 nor SJRC shows ads.

### Which is updated more often, e+正方形和長方形 or SJRC?

e+正方形和長方形 ships an update every 15 months, and SJRC every 3 weeks. Most recently, e+正方形和長方形 was updated on October 4, 2026 and SJRC on October 1, 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.*