# BloopMachine vs Roostbox

The clearest difference is rating: Roostbox at 4.5 against BloopMachine's 3.7. Roostbox also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. BloopMachine sells 1 one-off in-app purchase. Roostbox asks for nothing beyond the download.

Roostbox holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

BloopMachine ships an update fortnightly, Roostbox every 3 weeks. Both last shipped on November 13, 2026.

## The numbers

| Metric | BloopMachine | Roostbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/bloopmachine-acid-bassline/id6803844582/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/roostbox/id6816159366/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 71 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fingerlab](https://appshunter.io/developer/412786610) | [ARTEM VOVSIA](https://appshunter.io/developer/1858684805) |

## What reviewers say

### BloopMachine

[App page](https://appshunter.io/ios/app/bloopmachine-acid-bassline/id6803844582)

This app is a monophonic synth-sequencer designed for creating acid lines and electronic music. It features a wavetable synth with a resonant filter and a deep step sequencer that can automate parameters. Explore generative patterns with a Mutate function and enhance your sound with a 5-effect FX section.

**Highlights:** Monophonic wavetable synth, Resonant filter, Deep step sequencer, Mutate function for synth and FX, 5-effect FX section, 48 patterns and Song mode, AUv3 plugin support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BloopMachine - Full Version | $7.99 | one-time |


### Roostbox

[App page](https://appshunter.io/ios/app/roostbox/id6816159366)

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

**In-app purchases:** none


## Frequently asked questions

### Is BloopMachine free?

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

### Is Roostbox free?

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

### Which has better reviews, BloopMachine or Roostbox?

Roostbox is rated higher. BloopMachine averages 3.7 out of 5 from 3 ratings, while Roostbox averages 4.5 from 2 ratings.

### Do BloopMachine or Roostbox have ads?

Neither BloopMachine nor Roostbox shows ads.

### Which is updated more often, BloopMachine or Roostbox?

BloopMachine ships an update fortnightly, and Roostbox every 3 weeks. Most recently, BloopMachine was updated on November 13, 2026 and Roostbox on November 13, 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.*