# Thesys vs jAmp Bleep

The clearest difference is in-app purchases: jAmp Bleep at none against Thesys's 1. jAmp Bleep also leads on update cadence (every 4 days vs every 3 months) and review sentiment (89% vs 59%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Thesys sells 1 one-off in-app purchase. jAmp Bleep asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Thesys against 4.7 for jAmp Bleep. Both are backed by a comparable volume of ratings — 85 and 30 respectively. Written reviews are what separate them: 59% of Thesys's written reviews are positive against 89% of jAmp Bleep's.

Thesys ships an update every 3 months, jAmp Bleep every 4 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Thesys | jAmp Bleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (85 ratings)](https://appshunter.io/ios/app/thesys/id655513441/reviews) | **[4.7 (30 ratings)](https://appshunter.io/ios/app/jamp-bleep/id6478390576/reviews)** |
| Number of ratings | **85** | 30 |
| Positive reviews | 59.3% of reviews | **88.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 29 MB | 13 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## What reviewers say

### Thesys

[App page](https://appshunter.io/ios/app/thesys/id655513441)

This app is a powerful and intuitive MIDI step sequencer for creating complex musical patterns. It offers extensive control over MIDI devices, enabling organic bass lines, leads, and pads for studio or live performance. Advanced features allow for real-time pattern manipulation directly from a MIDI keyboard.

**Highlights:** MIDI Step Sequencer, Pattern Creation, Live Performance Options, Real-time Pattern Manipulation, Integrated Synth, Action Section (Gatetime, Looper, Slowdown), Ableton Link Support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thesys Full Version | $19.99 | one-time |


### jAmp Bleep

[App page](https://appshunter.io/ios/app/jamp-bleep/id6478390576)

This app is an AUv3 audio plugin that recreates the Bleep Bloop Machine. It offers MIDI control for its knobs, allowing users to manipulate sound and create music.

**Highlights:** AUv3 plugin, Bleep Bloop Machine remake, MIDI knob control, Sound manipulation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Thesys free?

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

### Is jAmp Bleep free?

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

### Which has better reviews, Thesys or jAmp Bleep?

jAmp Bleep is rated higher. Thesys averages 4.7 out of 5 from 85 ratings, while jAmp Bleep averages 4.7 from 30 ratings.

### Do Thesys or jAmp Bleep have ads?

Neither Thesys nor jAmp Bleep shows ads.

### Which is updated more often, Thesys or jAmp Bleep?

Thesys ships an update every 3 months, and jAmp Bleep every 4 days. Most recently, Thesys was updated on October 23, 2026 and jAmp Bleep on October 24, 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.*