# IPR BOOKS WV vs EF Small Stars Progress Test

The clearest difference is update cadence: IPR BOOKS WV at every 2 months against EF Small Stars Progress Test's every 9 months. IPR BOOKS WV also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

IPR BOOKS WV ships an update every 2 months, EF Small Stars Progress Test every 9 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IPR BOOKS WV | EF Small Stars Progress Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Size | 6 MB | 79 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ltd IPRMedia](https://appshunter.io/developer/1310419373) | [English One AG](https://appshunter.io/developer/1547762451) |

## What reviewers say

### IPR BOOKS WV

[App page](https://appshunter.io/ios/app/ipr-books-wv-reader/id1329934077)

**Features:** macOS Compatibility

**In-app purchases:** none


### EF Small Stars Progress Test

[App page](https://appshunter.io/ios/app/ef-small-stars-progress-test/id1460369720)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IPR BOOKS WV free?

IPR BOOKS WV is free to download, with no in-app purchases.

### Is EF Small Stars Progress Test free?

EF Small Stars Progress Test is free to download, with no in-app purchases.

### Do IPR BOOKS WV or EF Small Stars Progress Test have ads?

Neither IPR BOOKS WV nor EF Small Stars Progress Test shows ads.

### Which is updated more often, IPR BOOKS WV or EF Small Stars Progress Test?

IPR BOOKS WV ships an update every 2 months, and EF Small Stars Progress Test every 9 months. Most recently, IPR BOOKS WV was updated on October 12, 2026 and EF Small Stars Progress Test on October 13, 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.*