# B00GA vs RackDocs

The clearest difference is price: RackDocs at Free against B00GA's $12.99. RackDocs also leads on update cadence (every 6 days vs every 5 months) and rating (5.0 vs 4.7). B00GA's advantage is in-app purchases (none vs 4) and ratings volume (18 vs 4). On ads and device support there is nothing between them.

RackDocs is free to download; B00GA costs $12.99 up front. RackDocs sells 4 in-app purchases, starting at $0.99 per month. B00GA asks for nothing beyond the download.

RackDocs holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 18 and 4 respectively. Written reviews point the same way: 83% of B00GA's written reviews are positive against 100% of RackDocs's.

B00GA ships an update every 5 months, RackDocs every 6 days. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | B00GA | RackDocs |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | [4.7 (18 ratings)](https://appshunter.io/ios/app/b00ga-microsound-sequencer/id6752775853/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/rackdocs-eurorack-reference/id6753894257/reviews)** |
| Number of ratings | **18** | 4 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | Paid | **Freemium** |
| Size | 44 MB | 31 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) | [TheMM](https://appshunter.io/developer/312265848) |

## What reviewers say

### B00GA

[App page](https://appshunter.io/ios/app/b00ga-microsound-sequencer/id6752775853)

Create experimental rhythms and tonal textures with this unique sound design tool. Inspired by vintage lab equipment, it generates clicks, pulses, and noise for grooves, drones, and radiophonic effects. Perfect for musicians and sound designers seeking unconventional sonic exploration.

**Highlights:** Experimental rhythm generation, Tonal texture creation, Vintage-flavored effects suite, Sequencing clicks, pulses, and noise, Drone and tonal structure creation, Radiophonic sound design

**Features:** Vision Pro support

**In-app purchases:** none


### RackDocs

[App page](https://appshunter.io/ios/app/rackdocs-eurorack-reference/id6753894257)

Document your modular synthesizer modules with photos and detailed notes. Capture every switch position, LED behavior, and hidden feature. Sync across devices and access your documentation offline.

**Highlights:** Photo-based module documentation, AI annotation extraction from manuals, Multi-context documentation, LED behavior tracking, Switch position guides, Community library of documented modules, Offline access and iCloud sync

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $3.99 | per year |
| Yearly Supporter | $8.99 | per year |
| Lifetime Access | $44.99 | one-time |


## Frequently asked questions

### Is B00GA free?

B00GA costs $12.99, with no in-app purchases.

### Is RackDocs free?

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

### Which has better reviews, B00GA or RackDocs?

RackDocs is rated higher. B00GA averages 4.7 out of 5 from 18 ratings, while RackDocs averages 5.0 from 4 ratings.

### Do B00GA or RackDocs have ads?

Neither B00GA nor RackDocs shows ads.

### Which is updated more often, B00GA or RackDocs?

B00GA ships an update every 5 months, and RackDocs every 6 days. Most recently, B00GA was updated on October 16, 2026 and RackDocs on October 12, 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.*