# Librai vs Sona Reader

The clearest difference is in-app purchases: Sona Reader at none against Librai's 2. Librai's advantage is update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Librai sells 2 in-app purchases, starting at $4.99 per month. Sona Reader asks for nothing beyond the download.

Librai ships an update every 2 days, Sona Reader every 2 weeks. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Librai | Sona Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 65 MB | 39 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Shivam Kumar Sanjiv Dev](https://appshunter.io/developer/1695129755) | [Sona Books Limited](https://appshunter.io/developer/1893668568) |

## What reviewers say

### Librai

[App page](https://appshunter.io/ios/app/librai-book-reader/id6761315801)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Librai Pro | $4.99 | per month |
| Librai Pro | $39.99 | per year |


### Sona Reader

[App page](https://appshunter.io/ios/app/sona-reader/id6762288563)

**In-app purchases:** none


## Frequently asked questions

### Is Librai free?

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

### Is Sona Reader free?

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

### Do Librai or Sona Reader have ads?

Neither Librai nor Sona Reader shows ads.

### Which is updated more often, Librai or Sona Reader?

Librai ships an update every 2 days, and Sona Reader every 2 weeks. Most recently, Librai was updated on October 3, 2026 and Sona Reader on October 12, 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.*