# Librem Social vs Bubble for Mastodon

The clearest difference is rating: Bubble for Mastodon at 5.0 against Librem Social's 2.7. Bubble for Mastodon also leads on review sentiment (50% vs 17%). Librem Social's advantage is in-app purchases (none vs 3) and ratings volume (14 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Bubble for Mastodon sells 3 in-app purchases, starting at $1.99 per month. Librem Social asks for nothing beyond the download.

Bubble for Mastodon holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Librem Social has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 17% of Librem Social's written reviews are positive against 50% of Bubble for Mastodon's.

Librem Social ships an update every 2 weeks, Bubble for Mastodon every 3 weeks. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Librem Social | Bubble for Mastodon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (14 ratings)](https://appshunter.io/ios/app/librem-social/id1456164071/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bubble-for-mastodon/id6477757490/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 16.7% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free** | Freemium |
| Size | 36 MB | 34 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [PURISM, SPC](https://appshunter.io/developer/1448949014) | [Philippe Bondevine](https://appshunter.io/developer/1258190748) |

## What reviewers say

### Librem Social

[App page](https://appshunter.io/ios/app/librem-social/id1456164071)

This app offers a federated social network experience, allowing users to view and post messages, images, and videos to various timelines. It supports following friends, using hashtags, and emojis, all within a free and open-source platform.

**Highlights:** Federated social network, View and post to timelines, Post messages, images, and videos, Follow friends, Hashtags and emoji support, Free and open-source

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble for Mastodon

[App page](https://appshunter.io/ios/app/bubble-for-mastodon/id6477757490)

A lightweight, user-friendly Mastodon client designed for a seamless experience. It offers essential features like content filtering, multiple timelines, and a rich post composer, with optional enhancements for power users.

**Highlights:** Powerful content filter, Multiple timeline views, Rich post composer, Grouped notifications, Attachment saving (Bubble+), Multiple account support (Bubble+)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubble+ • Monthly | $1.99 | per month |
| Bubble+ • 3 Months | $4.79 | per 3 months |
| Bubble+ • Yearly | $17.99 | per year |


## Frequently asked questions

### Is Librem Social free?

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

### Is Bubble for Mastodon free?

Bubble for Mastodon is free to download, with in-app purchases available.

### Which has better reviews, Librem Social or Bubble for Mastodon?

Bubble for Mastodon is rated higher. Librem Social averages 2.7 out of 5 from 14 ratings, while Bubble for Mastodon averages 5.0 from 1 ratings.

### Do Librem Social or Bubble for Mastodon have ads?

Neither Librem Social nor Bubble for Mastodon shows ads.

### Which is updated more often, Librem Social or Bubble for Mastodon?

Librem Social ships an update every 2 weeks, and Bubble for Mastodon every 3 weeks. Most recently, Librem Social was updated on October 18, 2026 and Bubble for Mastodon on October 17, 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.*