# RackDocs vs M8 Music Tracker

The clearest difference is price: RackDocs at Free against M8 Music Tracker's $29.99. M8 Music Tracker's advantage is in-app purchases (none vs 4) and ratings volume (97 vs 4). On rating, review sentiment, update cadence and ads there is nothing between them.

RackDocs is free to download; M8 Music Tracker costs $29.99 up front. RackDocs sells 4 in-app purchases, starting at $0.99 per month. M8 Music Tracker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RackDocs against 5.0 for M8 Music Tracker. That said, the two scores are not equally well evidenced: M8 Music Tracker has 97 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

RackDocs ships an update every 6 days, M8 Music Tracker every 4 days. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | RackDocs | M8 Music Tracker |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/rackdocs-eurorack-reference/id6753894257/reviews) | [5.0 (97 ratings)](https://appshunter.io/ios/app/m8-music-tracker/id6806721202/reviews) |
| Number of ratings | 4 | **97** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | **Freemium** | Paid |
| Best chart rank | — | **#18** |
| Size | 31 MB | 235 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TheMM](https://appshunter.io/developer/312265848) | [Dirtywave](https://appshunter.io/developer/1816585443) |

## What reviewers say

### 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 |


### M8 Music Tracker

[App page](https://appshunter.io/ios/app/m8-music-tracker/id6806721202)

**Currently charting:** #18 Top Paid · Music, #171 Top Paid (US App Store)

Create and arrange music with a portable eight-track tracker, synthesizer, and sequencer. Features multiple synth engines, sample playback, and advanced sequencing tools. Offers extensive connectivity and compatibility with hardware and other M8 users.

**Highlights:** Eight-track music tracker and sequencer, Multiple built-in synth engines (Wavsynth, Macrosynth, FMSynth, Hypersynth), Sampler for playback and recording, Advanced sequencing with modulation, scales, and effects, MIDI instrument control, CoreMIDI and IAA integration, Portrait and landscape support

**In-app purchases:** none


## Frequently asked questions

### Is RackDocs free?

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

### Is M8 Music Tracker free?

M8 Music Tracker costs $29.99, with no in-app purchases.

### Which has better reviews, RackDocs or M8 Music Tracker?

RackDocs and M8 Music Tracker are both rated 5.0 out of 5 on the App Store, from 4 and 97 ratings respectively.

### Do RackDocs or M8 Music Tracker have ads?

Neither RackDocs nor M8 Music Tracker shows ads.

### Which is updated more often, RackDocs or M8 Music Tracker?

RackDocs ships an update every 6 days, and M8 Music Tracker every 4 days. Most recently, RackDocs was updated on October 12, 2026 and M8 Music Tracker on October 18, 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.*