# MOTU AVB Discovery vs RackDocs

The clearest difference is review sentiment: RackDocs at 100% against MOTU AVB Discovery's 5%. RackDocs also leads on rating (5.0 vs 2.3) and update cadence (every 6 days vs every 20 months). MOTU AVB Discovery's advantage is in-app purchases (none vs 4) and ratings volume (26 vs 4). On price, ads and device support there is nothing between them.

Both are free to download. RackDocs sells 4 in-app purchases, starting at $0.99 per month. MOTU AVB Discovery asks for nothing beyond the download.

RackDocs holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: MOTU AVB Discovery has 26 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 5% of MOTU AVB Discovery's written reviews are positive against 100% of RackDocs's.

MOTU AVB Discovery ships an update every 20 months, RackDocs every 6 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | MOTU AVB Discovery | RackDocs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (26 ratings)](https://appshunter.io/ios/app/motu-avb-discovery/id892558414/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/rackdocs-eurorack-reference/id6753894257/reviews)** |
| Number of ratings | **26** | 4 |
| Positive reviews | 5.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 6 days** |
| Monetization | **Free** | Freemium |
| Size | 7 MB | 31 MB |
| Requires iOS | **7.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MOTU Inc.](https://appshunter.io/developer/380483773) | [TheMM](https://appshunter.io/developer/312265848) |

## What reviewers say

### MOTU AVB Discovery

[App page](https://appshunter.io/ios/app/motu-avb-discovery/id892558414)

This application locates MOTU AVB devices on your WiFi network. It provides one-touch access to control all device settings directly from your mobile device.

**Highlights:** Locates MOTU AVB devices on WiFi, One-touch access to device settings, Works in portrait and landscape, Large, one-handed controls

**Features:** macOS Compatibility

**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 MOTU AVB Discovery free?

MOTU AVB Discovery is free to download, with no in-app purchases.

### Is RackDocs free?

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

### Which has better reviews, MOTU AVB Discovery or RackDocs?

RackDocs is rated higher. MOTU AVB Discovery averages 2.3 out of 5 from 26 ratings, while RackDocs averages 5.0 from 4 ratings.

### Do MOTU AVB Discovery or RackDocs have ads?

Neither MOTU AVB Discovery nor RackDocs shows ads.

### Which is updated more often, MOTU AVB Discovery or RackDocs?

MOTU AVB Discovery ships an update every 20 months, and RackDocs every 6 days. Most recently, MOTU AVB Discovery was updated on October 24, 2026 and RackDocs on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*