# E Star vs HKDSE Math Practice & Notes

The clearest difference is in-app purchases: E Star at none against HKDSE Math Practice & Notes's 2. E Star also leads on iOS requirement (8.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. HKDSE Math Practice & Notes sells 2 one-off in-app purchases. E Star asks for nothing beyond the download.

## The numbers

| Metric | E Star | HKDSE Math Practice & Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 38 MB | 222 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wiseman Education Limited](https://appshunter.io/developer/404332381) | [Pickmy AI](https://appshunter.io/developer/1869516043) |

## What reviewers say

### E Star

[App page](https://appshunter.io/ios/app/e-star/id1576056246)

**Features:** macOS Compatibility

**In-app purchases:** none


### HKDSE Math Practice & Notes

[App page](https://appshunter.io/ios/app/hkdse-math-practice-and-notes/id6809379110)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Pro 180 Days | $19.99 | one-time |
| Math Pro 90 Days | $19.99 | one-time |


## Frequently asked questions

### Is E Star free?

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

### Is HKDSE Math Practice & Notes free?

HKDSE Math Practice & Notes is free to download, with in-app purchases available.

### Do E Star or HKDSE Math Practice & Notes have ads?

Neither E Star nor HKDSE Math Practice & Notes shows ads.

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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.*