# Lima DRM vs UniBook

The clearest difference is in-app purchases: Lima DRM at none against UniBook's 1. Lima DRM also leads on iOS requirement (14.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. UniBook sells 1 one-off in-app purchase. Lima DRM asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Lima DRM | UniBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 84 MB | 15 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [D&L Technology Integration And Consulting Joint Stock Company](https://appshunter.io/developer/1436285979) | [Denis Tronin](https://appshunter.io/developer/1446210844) |

## What reviewers say

### Lima DRM

[App page](https://appshunter.io/ios/app/lima-drm/id6444889068)

**Features:** macOS Compatibility

**In-app purchases:** none


### UniBook

[App page](https://appshunter.io/ios/app/unibook-read-without-limits/id6757717595)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UniBook Premium | $49.99 | one-time |


## Frequently asked questions

### Is Lima DRM free?

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

### Is UniBook free?

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

### Do Lima DRM or UniBook have ads?

Neither Lima DRM nor UniBook shows ads.

### Which is updated more often, Lima DRM or UniBook?

Lima DRM ships an update every 3 weeks, and UniBook every 3 weeks. Most recently, Lima DRM was updated on October 7, 2026 and UniBook on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*