# ECOSTUDY vs E

The clearest difference is update cadence: ECOSTUDY at monthly against E's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

ECOSTUDY ships an update monthly, E every 3 months. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ECOSTUDY | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 103 MB | 118 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MEGASCHOOL TECHNOLOGY EDUCATION JOINT STOCK COMPANY](https://appshunter.io/developer/1598088285) | [Doan Viet Hanh](https://appshunter.io/developer/1727979796) |

## What reviewers say

### ECOSTUDY

[App page](https://appshunter.io/ios/app/ecostudy/id1474114784)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-scots/id6476879458)

**In-app purchases:** none


## Frequently asked questions

### Is ECOSTUDY free?

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

### Is E free?

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

### Do ECOSTUDY or E have ads?

Neither ECOSTUDY nor E shows ads.

### Which is updated more often, ECOSTUDY or E?

ECOSTUDY ships an update monthly, and E every 3 months. Most recently, ECOSTUDY was updated on September 10, 2026 and E on September 20, 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.*