# Chelsea World School vs E2A

The clearest difference is in-app purchases: Chelsea World School at none against E2A's 10. Chelsea World School also leads on iOS requirement (12.0 vs 15.1). E2A's advantage is update cadence (every 2 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. E2A sells 10 one-off in-app purchases. Chelsea World School asks for nothing beyond the download.

Chelsea World School ships an update every 7 months, E2A every 2 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Chelsea World School | E2A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Size | 223 MB | 44 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sanjan Piya](https://appshunter.io/developer/1503313696) | [Avishek Adhikari](https://appshunter.io/developer/1871148701) |

## What reviewers say

### Chelsea World School

[App page](https://appshunter.io/ios/app/chelsea-world-school/id6633425266)

**Features:** macOS Compatibility

**In-app purchases:** none


### E2A

[App page](https://appshunter.io/ios/app/e2a/id6758146267)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A2 Mathematics - 30 Days | $19.99 | one-time |
| A2 Chemistry - 30 Days | $19.99 | one-time |
| AS Business - 30 Days | $19.99 | one-time |
| AS Economics - 30 Days | $19.99 | one-time |
| AS Computer Science - 30 Days | $19.99 | one-time |
| AS Physics - 30 Days | $19.99 | one-time |
| AS Chemistry - 30 Days | $19.99 | one-time |
| AS Biology - 30 Days | $19.99 | one-time |
| AS Accounts - 30 Days | $19.99 | one-time |
| A2 Computer Science - 30 Days | $19.99 | one-time |


## Frequently asked questions

### Is Chelsea World School free?

Chelsea World School is free to download, with no in-app purchases.

### Is E2A free?

E2A is free to download, with in-app purchases available.

### Do Chelsea World School or E2A have ads?

Neither Chelsea World School nor E2A shows ads.

### Which is updated more often, Chelsea World School or E2A?

Chelsea World School ships an update every 7 months, and E2A every 2 days. Most recently, Chelsea World School was updated on October 8, 2026 and E2A on October 9, 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.*