# LibUEF vs ReadSmart English

The clearest difference is in-app purchases: LibUEF at none against ReadSmart English's 14. LibUEF also leads on ads (none vs shown) and iOS requirement (13 vs 15.6). ReadSmart English's advantage is update cadence (every 4 days vs monthly). On price and device support there is nothing between them.

Both are free to download. ReadSmart English sells 14 in-app purchases, starting at $24.99 per 3 months. LibUEF asks for nothing beyond the download.

LibUEF ships an update monthly, ReadSmart English every 4 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LibUEF | ReadSmart English |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Size | 24 MB | 58 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Pyramid Software and Consulting Company Limited](https://appshunter.io/developer/885416042) | [DANG DUONG QUANG](https://appshunter.io/developer/1879191448) |

## What reviewers say

### LibUEF

[App page](https://appshunter.io/ios/app/libuef/id1632341797)

**Features:** macOS Compatibility

**In-app purchases:** none


### ReadSmart English

[App page](https://appshunter.io/ios/app/readsmart-english/id6759513882)

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadSmart Toeic 550 — 3 Months | $24.99 | per 3 months |
| ReadSmart Toeic 785 — 3 Months | $28.99 | per 3 months |
| ReadSmart Ielts 9.0 — 3 Months | $32.99 | per 3 months |
| ReadSmart Toeic 550 — 6 Months | $41.99 | per 6 months |
| ReadSmart News — 6 Months | $41.99 | per 6 months |
| ReadSmart Toeic 785 — 6 Months | $44.99 | per 6 months |
| ReadSmart Ielts 8.0 — 6 Months | $49.99 | per 6 months |
| ReadSmart News — 1 Year | $59.99 | per year |
| ReadSmart Toeic 945 — 1 Year | $69.99 | per year |
| ReadSmart Ielts 9.0 — 1 Year | $74.99 | per year |
| Combo TOEIC | $119.99 | per year |
| Combo IELTS | $129.99 | per year |
| Combo General | $149.99 | per year |
| All Access | $199.99 | per year |


## Frequently asked questions

### Is LibUEF free?

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

### Is ReadSmart English free?

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

### Do LibUEF or ReadSmart English have ads?

ReadSmart English shows ads; LibUEF does not.

### Which is updated more often, LibUEF or ReadSmart English?

LibUEF ships an update monthly, and ReadSmart English every 4 days. Most recently, LibUEF was updated on October 27, 2026 and ReadSmart English on October 25, 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.*