# Libra reader vs Calimob

The clearest difference is in-app purchases: Calimob at none against Libra reader's 2. Calimob also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (15.6 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Libra reader sells 2 in-app purchases, starting at $1.99 per month. Calimob asks for nothing beyond the download.

Libra reader ships an update every 3 weeks, Calimob every 3 days. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Libra reader | Calimob |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 68 MB | 93 MB |
| Requires iOS | 18.2 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sergei Mikhailov](https://appshunter.io/developer/6782043188) | [Frada SRL](https://appshunter.io/developer/6785799773) |

## What reviewers say

### Libra reader

[App page](https://appshunter.io/ios/app/libra-reader/id6782043006)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Libra Pro – Monthly | $1.99 | per month |
| Libra Pro – Yearly | $19.99 | per year |


### Calimob

[App page](https://appshunter.io/ios/app/calimob/id6785799771)

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

**In-app purchases:** none


## Frequently asked questions

### Is Libra reader free?

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

### Is Calimob free?

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

### Do Libra reader or Calimob have ads?

Neither Libra reader nor Calimob shows ads.

### Which is updated more often, Libra reader or Calimob?

Libra reader ships an update every 3 weeks, and Calimob every 3 days. Most recently, Libra reader was updated on September 21, 2026 and Calimob on September 23, 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.*