# Bass Line Composer vs Chops

The clearest difference is price: Chops at Free against Bass Line Composer's $1.99. Chops also leads on review sentiment (100% vs 63%) and update cadence (every 3 weeks vs every 2 months). Bass Line Composer's advantage is in-app purchases (none vs 4) and ratings volume (181 vs 15). On rating, ads, device support and iOS requirement there is nothing between them.

Chops is free to download; Bass Line Composer costs $1.99 up front. Chops sells 4 in-app purchases, starting at $2.99 per month. Bass Line Composer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Bass Line Composer against 4.7 for Chops. That said, the two scores are not equally well evidenced: Bass Line Composer has 181 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 63% of Bass Line Composer's written reviews are positive against 100% of Chops's.

Bass Line Composer ships an update every 2 months, Chops every 3 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Bass Line Composer | Chops |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (181 ratings)](https://appshunter.io/ios/app/bass-line-composer/id541384670/reviews)** | [4.7 (15 ratings)](https://appshunter.io/ios/app/chops-drum-rudiments/id6566195057/reviews) |
| Number of ratings | **181** | 15 |
| Positive reviews | 63.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Best chart rank | **#76** | — |
| Size | 8 MB | 50 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [N. Wheeler](https://appshunter.io/developer/312350021) | [Digital Staves](https://appshunter.io/developer/1758758328) |

## What reviewers say

### Bass Line Composer

[App page](https://appshunter.io/ios/app/bass-line-composer/id541384670)

**Currently charting:** #76 Top Paid · Music (US App Store)

Compose and play along with custom bass drum lines. Practice splits, create new beats, and refine your exercises with realistic drum sounds. This app allows you to experiment with speed and timing for your musical ideas.

**Highlights:** Compose bass drum lines, Play along with compositions, Practice splits and interspersions, Create and edit exercises, Adjust tempo (speed up/slow down), Realistic bass drum sounds

**Features:** Vision Pro support

**In-app purchases:** none


### Chops

[App page](https://appshunter.io/ios/app/chops-drum-rudiments/id6566195057)

Master all 40 PAS rudiments with structured courses, dynamic exercises, and a smart metronome. Apply your skills on the kit with beautiful notation and full playback controls. Designed for drummers of all levels to practice with purpose and enhance their foundation.

**Highlights:** Master all 40 PAS rudiments, Apply skills on the drum kit, Dynamic exercises and workouts, Structured courses for all levels, Beautiful and readable notation, Smart metronome with tempo adjustment, Full playback controls

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chops Subscription (Monthly) | $2.99 | per month |
| Education Subscription (Yearly) | $12.99 | per year |
| Chops Subscription (Yearly) | $29.99 | per year |
| Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Bass Line Composer free?

Bass Line Composer costs $1.99, with no in-app purchases.

### Is Chops free?

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

### Which has better reviews, Bass Line Composer or Chops?

Bass Line Composer is rated higher. Bass Line Composer averages 4.7 out of 5 from 181 ratings, while Chops averages 4.7 from 15 ratings.

### Do Bass Line Composer or Chops have ads?

Neither Bass Line Composer nor Chops shows ads.

### Which is updated more often, Bass Line Composer or Chops?

Bass Line Composer ships an update every 2 months, and Chops every 3 weeks. Most recently, Bass Line Composer was updated on November 1, 2026 and Chops on October 24, 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.*