# SKIIID vs bitcrust

The clearest difference is chart position: SKIIID at #199 against bitcrust's unranked. SKIIID also leads on ratings volume (31 vs 7). bitcrust's advantage is price ($1.99 vs $3.99). On rating, update cadence, ads and in-app purchases there is nothing between them.

SKIIID costs $3.99 and bitcrust $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.4 for SKIIID against 4.4 for bitcrust. Both are backed by a comparable volume of ratings — 31 and 7 respectively.

SKIIID ships an update every 4 days, bitcrust every 3 days. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SKIIID | bitcrust |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | [4.4 (31 ratings)](https://appshunter.io/ios/app/skiiid/id1516634571/reviews) | [4.4 (7 ratings)](https://appshunter.io/ios/app/bitcrust/id6763228916/reviews) |
| Number of ratings | **31** | 7 |
| Positive reviews | 73.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#199** | — |
| Size | 20 MB | 16 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Stephan Bolch](https://appshunter.io/developer/1516634570) | [Michele Caserta](https://appshunter.io/developer/1885379520) |

## What reviewers say

### SKIIID

[App page](https://appshunter.io/ios/app/skiiid/id1516634571)

**Currently charting:** #199 Top Paid · Music (US App Store)

This app is a percussion synthesizer designed for live performance. It features four morphing pads where finger position controls sound parameters and velocity. Explore deep sound design with a step sequencer, auto-mutation, and chaos engine for instant sound generation.

**Highlights:** Four morphing percussion pads, Real-time parameter control via touch, 16-step sequencer per pad, Auto-mutate sound evolution, Chaos engine for instant sound generation, AUv3 plugin support, MIDI input and Ableton Link sync

**Features:** Vision Pro support

**In-app purchases:** none


### bitcrust

[App page](https://appshunter.io/ios/app/bitcrust/id6763228916)

This application offers a polyphonic synthesizer with a SID-style voice architecture, featuring multiple oscillators, ring modulation, and hard sync. It provides extensive modulation capabilities and a post-synthesis effects rack, extending its sonic range beyond traditional chip synths.

**Highlights:** 12-voice polyphony, 3 oscillators per voice with SID-style behavior, Extensive modulation matrix, 6-slot post-SID FX rack, 16-step sequencer and arpeggiator, AUv3 and Standalone support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SKIIID free?

SKIIID costs $3.99, with no in-app purchases.

### Is bitcrust free?

bitcrust costs $1.99, with no in-app purchases.

### Which has better reviews, SKIIID or bitcrust?

SKIIID and bitcrust are both rated 4.4 out of 5 on the App Store, from 31 and 7 ratings respectively.

### Do SKIIID or bitcrust have ads?

Neither SKIIID nor bitcrust shows ads.

### Which is updated more often, SKIIID or bitcrust?

SKIIID ships an update every 4 days, and bitcrust every 3 days. Most recently, SKIIID was updated on October 4, 2026 and bitcrust on October 1, 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.*