# STOU SISA vs E

The clearest difference is update cadence: STOU SISA at monthly against E's every 24 months. STOU SISA also leads on device support (3 vs 1) and iOS requirement (10.0 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.

STOU SISA ships an update monthly, E every 24 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | STOU SISA | E |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 6.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 24 months |
| Monetization | Free | — |
| Size | 28 MB | 2 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [Sukhothai Thammathirat Open University](https://appshunter.io/developer/1370516064) | [R&R TECHNOLOGY CO.,LTD.](https://appshunter.io/developer/1094646953) |

## What reviewers say

### STOU SISA

[App page](https://appshunter.io/ios/app/stou-sisa/id1540057844)

Access your academic history and results, register for courses, and make payments directly from your mobile device. Stay updated with public information, exam schedules, and your latest grades.

**Highlights:** View student history, Check academic results, Register for courses, Mobile payments, Receive public information, Access exam schedules

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-document/id1573432387)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STOU SISA free?

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

### Is E free?

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

### Do STOU SISA or E have ads?

Neither STOU SISA nor E shows ads.

### Which is updated more often, STOU SISA or E?

STOU SISA ships an update monthly, and E every 24 months. Most recently, STOU SISA was updated on October 14, 2026 and E on October 7, 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.*