# Librarius vs Kuka

The clearest difference is in-app purchases: Kuka at none against Librarius's 26. Kuka also leads on review sentiment (68% vs 41%) and iOS requirement (14.0 vs 16.0). Librarius's advantage is update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Librarius sells 13 in-app purchases, starting at $4.99 per month. Kuka asks for nothing beyond the download.

Librarius ships an update every 2 weeks, Kuka monthly. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Librarius | Kuka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (191 ratings)](https://appshunter.io/ios/app/librarius/id1552376092/reviews)** | — |
| Number of ratings | **191** | — |
| Positive reviews | 40.8% of reviews | **68.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 60 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Librarius TOV](https://appshunter.io/developer/1552376094) | [Kuka Limited Liability Company](https://appshunter.io/developer/1746293989) |

## What reviewers say

### Librarius

[App page](https://appshunter.io/ios/app/librarius/id1552376092)

Access a vast digital library of Ukrainian e-books and audiobooks. Rent, buy, or read thousands of titles for free. Enjoy offline reading, personalized lists, and advanced search features.

**Highlights:** Offline reading, Book rental and purchase, Personalized wishlists, Advanced search and filters, Free preview of book content, Customizable reading settings

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Місячна підписка | $4.99 | per month |
| Місячна преміум підписка | $5.99 | per month |
| 3-місячна підписка | $13.49 | per 3 months |
| 6-місячна підписка | $23.99 | per 6 months |
| 6-місячна преміум підписка | $24.99 | per 6 months |
| Книжка | $0.99 | one-time |
| Книжка | $1.99 | one-time |
| Книжка | $2.99 | one-time |
| Книжка | $3.99 | one-time |
| Книжка | $4.99 | one-time |
| Книжка | $5.99 | one-time |
| Книжка | $6.99 | one-time |
| Книжка | $7.99 | one-time |

**What reviewers like**

- 📚 Good selection of Ukrainian books
- 💰 Affordable subscription/rental options
- ❤️ Supports Ukrainian authors/content
- 👍 Easy to use Apple Pay
- 🗣️ Audiobooks read by humans

**What reviewers complain about**

- 🚫 Books not accessible offline
- 🐛 Frequent app crashes/freezes
- 🔄 Constant logouts/re-authentication
- 📉 Lost reading progress after updates/logouts
- 📱 Poor iPad/tablet optimization

**Reported bugs**

- App crashes frequently
- Audiobooks not saving progress
- App logs out users constantly
- Reading progress lost after updates
- Books not opening/showing errors

**Requested features**

- Add dark mode option
- Expand collection of Ukrainian authors
- Improve iPad/tablet adaptation
- Add ability to highlight and save quotes
- Implement progress bar/percentage read


### Kuka

[App page](https://appshunter.io/ios/app/kuka/id6468996442)

This app provides a corporate e-reading service for companies, offering unlimited access to a vast library of e-books. Employees can read at their own pace, anytime, anywhere, even offline, fostering development and entertainment within teams.

**Highlights:** Thousands of e-books, New releases and classics, Professional, fiction, non-fiction, Unlimited reading access, Offline reading capability, Read at own pace

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent design and interface
- 📚 Large selection of books
- ✅ Convenient to use
- 💡 Option to send to e-reader
- ❤️ Ukrainian content appreciated

**What reviewers complain about**

- 🐛 Search not working after update
- 🐛 Font size issues
- 🐛 Bookmarks not saving
- 🐛 Progress not saved
- 🐛 PDF files not opening/displaying correctly

**Reported bugs**

- Search results disappear after appearing
- Cannot save reading progress
- Cannot save bookmarks
- Books not seen as being read after completion
- Fonts change randomly

**Requested features**

- Ability to view all quotes and notes
- Integration with PocketBook
- Option to see what family is reading
- Page-by-page view mode
- Ability to leave reviews on books


## Frequently asked questions

### Is Librarius free?

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

### Is Kuka free?

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

### Do Librarius or Kuka have ads?

Neither Librarius nor Kuka shows ads.

### Which is updated more often, Librarius or Kuka?

Librarius ships an update every 2 weeks, and Kuka monthly. Most recently, Librarius was updated on September 26, 2026 and Kuka on September 19, 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.*