# Battalion vs RackDocs

The clearest difference is price: RackDocs at Free against Battalion's $39.99. RackDocs also leads on update cadence (every 6 days vs every 5 months) and rating (5.0 vs 4.6). Battalion's advantage is in-app purchases (none vs 4) and chart position (#181 vs unranked). On ads and device support there is nothing between them.

RackDocs is free to download; Battalion costs $39.99 up front. RackDocs sells 4 in-app purchases, starting at $0.99 per month. Battalion asks for nothing beyond the download.

RackDocs holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Battalion has 33 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 85% of Battalion's written reviews are positive against 100% of RackDocs's.

Battalion ships an update every 5 months, RackDocs every 6 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Battalion | RackDocs |
| --- | --- | --- |
| Price | $39.99 | **Free** |
| Rating | [4.6 (33 ratings)](https://appshunter.io/ios/app/battalion-drum-machine/id6743767101/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/rackdocs-eurorack-reference/id6753894257/reviews)** |
| Number of ratings | **33** | 4 |
| Positive reviews | 84.6% 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** |
| Best chart rank | **#181** | — |
| Size | 1.2 GB | 31 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Unfiltered Audio](https://appshunter.io/developer/1638381375) | [TheMM](https://appshunter.io/developer/312265848) |

## What reviewers say

### Battalion

[App page](https://appshunter.io/ios/app/battalion-drum-machine/id6743767101)

**Currently charting:** #181 Top Paid · Music (US App Store)

This advanced music production tool offers a powerful drum machine with extensive synthesis, sampling, and sequencing capabilities. Craft intricate rhythms and evolving patterns with per-step modulation, generative sequencers, and built-in effects for deep sound design.

**Highlights:** 20+ synthesis algorithms, 5 sampler algorithms, 8 drum channels with simultaneous sample/synth, 11 filter and 11 distortion modes, Per-step modulation and generative sequencers, Euclidean and permutation pattern engine, Global performance controls, Built-in Shatter Delay and Headspace Reverb

**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 Battalion free?

Battalion costs $39.99, with no in-app purchases.

### Is RackDocs free?

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

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

RackDocs is rated higher. Battalion averages 4.6 out of 5 from 33 ratings, while RackDocs averages 5.0 from 4 ratings.

### Do Battalion or RackDocs have ads?

Neither Battalion nor RackDocs shows ads.

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

Battalion ships an update every 5 months, and RackDocs every 6 days. Most recently, Battalion was updated on November 4, 2026 and RackDocs on November 5, 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.*