# ThumbJam vs Hammerhead Rhythm Station

The clearest difference is update cadence: Hammerhead Rhythm Station at every 2 weeks against ThumbJam's every 4 months. Hammerhead Rhythm Station also leads on rating (4.9 vs 4.7) and review sentiment (98% vs 85%). ThumbJam's advantage is price ($6.99 vs $7.99) and iOS requirement (8.0 vs 12.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

ThumbJam costs $6.99 and Hammerhead Rhythm Station $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hammerhead Rhythm Station holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 220 and 108 respectively. Written reviews point the same way: 85% of ThumbJam's written reviews are positive against 98% of Hammerhead Rhythm Station's.

ThumbJam ships an update every 4 months, Hammerhead Rhythm Station every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ThumbJam | Hammerhead Rhythm Station |
| --- | --- | --- |
| Price | **$6.99** | $7.99 |
| Rating | [4.7 (220 ratings)](https://appshunter.io/ios/app/thumbjam/id338977566/reviews) | **[4.9 (108 ratings)](https://appshunter.io/ios/app/hammerhead-rhythm-station/id1568699989/reviews)** |
| Number of ratings | **220** | 108 |
| Positive reviews | 84.6% of reviews | **98.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#200** |
| Size | 215 MB | 172 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sonosaurus LLC](https://appshunter.io/developer/338977569) | [Bram Bos](https://appshunter.io/developer/325340444) |

## What reviewers say

### ThumbJam

[App page](https://appshunter.io/ios/app/thumbjam/id338977566)

This app provides a powerful musical performance experience with over 40 high-quality instrument sounds and hundreds of scales. It allows users of all skill levels to play in any style, offering expressive controls and loop-building capabilities.

**Highlights:** Over 40 high-quality multi-sampled instruments, Hundreds of included scales for any style, Expressive controls using tilt and shake, Loop building and audio export, Extensive MIDI and Audiobus support, Powerful arpeggiator feature

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🎨 Great sound quality
- 🎹 Versatile and expressive instrument
- 🎶 Excellent for music creation and improvisation
- 💻 Powerful MIDI capabilities
- 🎨 Realistic instrument samples

**What reviewers complain about**

- 🔍 Lack of chord mode
- 🔢 Difficulty with precise note selection
- 🔀 Issues with loop recording and syncing
- 🔋 Battery drain concerns
- 🚫 Compatibility problems with newer devices/OS

**Reported bugs**

- Instrument muting when switching apps or opening help
- Inconsistent behavior and freezing after recent updates
- Inability to load/save recorded sets or mixes

**Requested features**

- Add chord mode for easier chord playing
- Improve loop recording and syncing capabilities
- Implement quantization options for tighter timing
- Expand instrument library with more diverse sounds
- Add support for Audio Unit (AUv3) to integrate with DAWs


### Hammerhead Rhythm Station

[App page](https://appshunter.io/ios/app/hammerhead-rhythm-station/id1568699989)

**Currently charting:** #200 Top Paid · Music (US App Store)

This mobile app is a modern take on a classic software drum computer, offering a playful and intuitive way to create rhythms. It features a built-in drum synth, extensive sound options, and the ability to import custom audio, all within a pocket-sized groovebox experience.

**Highlights:** Import custom WAV sounds, Built-in drum synthesizer, Standalone and AUv3 plugin support, MIDI input and output, One-click compression and distortion, Random pattern generator, Create polyrhythms

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and intuitive workflow
- 💡 Great for improvisational music making
- 🎶 Excellent sound quality and presets
- 🚀 Quick to use with amazing results
- 💾 Ability to import own audio samples

**What reviewers complain about**

- ❓ Some users want more features
- 🎛️ Limited effects per voice
- 🎚️ MIDI mapping could be more extensive
- 🎛️ Drum synth engine could be deeper
- 🎚️ User folder for voices in-app needed

**Reported bugs**

- AUv3 starts playing in sequence mode on pattern 2 instead of pattern 1
- Mute buttons are somewhat hard to tap reliably
- Upper knobs are somewhat hard to tune
- Chan. Config button makes pattern settings disappear

**Requested features**

- Deeper drum synth engine
- More extensive MIDI mapping (solo per voice)
- User folder for voices in-app
- Ability to send presets into user storage
- Effects per voice


## Frequently asked questions

### Is ThumbJam free?

ThumbJam costs $6.99, with no in-app purchases.

### Is Hammerhead Rhythm Station free?

Hammerhead Rhythm Station costs $7.99, with no in-app purchases.

### Which has better reviews, ThumbJam or Hammerhead Rhythm Station?

Hammerhead Rhythm Station is rated higher. ThumbJam averages 4.7 out of 5 from 220 ratings, while Hammerhead Rhythm Station averages 4.9 from 108 ratings.

### Do ThumbJam or Hammerhead Rhythm Station have ads?

Neither ThumbJam nor Hammerhead Rhythm Station shows ads.

### Which is updated more often, ThumbJam or Hammerhead Rhythm Station?

ThumbJam ships an update every 4 months, and Hammerhead Rhythm Station every 2 weeks. Most recently, ThumbJam was updated on October 27, 2026 and Hammerhead Rhythm Station on October 25, 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.*