# Sutra vs Calimob

The clearest difference is in-app purchases: Calimob at none against Sutra's 4. Calimob also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Sutra sells 4 one-off in-app purchases. Calimob asks for nothing beyond the download.

Sutra ships an update every 2 weeks, Calimob every 3 days. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Sutra | Calimob |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (9 ratings)](https://appshunter.io/ios/app/sutra-ebook-and-comic-reader/id6780096864/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 39 MB | 93 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Koustav Dasgupta](https://appshunter.io/developer/6772577121) | [Frada SRL](https://appshunter.io/developer/6785799773) |

## What reviewers say

### Sutra

[App page](https://appshunter.io/ios/app/sutra-ebook-and-comic-reader/id6780096864)

Access your entire book collection from various sources in one beautiful app. Enjoy a customizable reading experience with synced progress, bookmarks, and highlights across devices. Organize your library with series info, search, and collections.

**Highlights:** Connect Kavita, Calibre, and OPDS servers, EPUB and PDF reading with page-curl effect, Rich typography and reading themes, iCloud sync for progress, bookmarks, and highlights, Offline downloads, Highlighting and search functionality, Series grouping and collections

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| Sutra Pro | $6.99 | one-time |


### Calimob

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Sutra free?

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

### Is Calimob free?

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

### Do Sutra or Calimob have ads?

Neither Sutra nor Calimob shows ads.

### Which is updated more often, Sutra or Calimob?

Sutra ships an update every 2 weeks, and Calimob every 3 days. Most recently, Sutra 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.*