# Grenoble Municipal Library vs Sutra

The clearest difference is in-app purchases: Grenoble Municipal Library at none against Sutra's 4. Grenoble Municipal Library also leads on device support (4 vs 2) and iOS requirement (14.0 vs 17.0). Sutra's advantage is update cadence (every 8 days vs every 3 months). On price and ads there is nothing between them.

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

Grenoble Municipal Library ships an update every 3 months, Sutra every 8 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Grenoble Municipal Library | Sutra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (18 ratings)](https://appshunter.io/ios/app/sutra-ebook-and-comic-reader/id6780096864/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 73.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 42 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Tourraine](https://appshunter.io/developer/308598599) | [Koustav Dasgupta](https://appshunter.io/developer/6772577121) |

## What reviewers say

### Grenoble Municipal Library

[App page](https://appshunter.io/ios/app/grenoble-municipal-library/id1483022528)

**In-app purchases:** none


### Sutra

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

Organize and read all your eBooks and comics in one beautiful, calm reader. Connect to self-hosted libraries, explore online catalogs, and customize your reading experience with various display options. Enjoy seamless progress syncing across devices.

**Highlights:** Unified reader for EPUB, PDF, CBZ, MOBI, comics, and manga, Connect to Kavita, Komga, Calibre, and OPDS servers, Customizable reading experience (fonts, themes, layout), Organized library with Series and Collection views, Progress and finished-book sync across devices, Offline reading support for comics

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo 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 |


## Frequently asked questions

### Is Grenoble Municipal Library free?

Grenoble Municipal Library is free to download, with no in-app purchases.

### Is Sutra free?

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

### Do Grenoble Municipal Library or Sutra have ads?

Neither Grenoble Municipal Library nor Sutra shows ads.

### Which is updated more often, Grenoble Municipal Library or Sutra?

Grenoble Municipal Library ships an update every 3 months, and Sutra every 8 days. Most recently, Grenoble Municipal Library was updated on November 3, 2026 and Sutra on November 5, 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.*