# Bass Timing Trainer vs Number System Trainer

The clearest difference is price: Number System Trainer at Free against Bass Timing Trainer's $8.99. Number System Trainer also leads on in-app purchases (none vs 2) and device support (3 vs 1). On ads and iOS requirement there is nothing between them.

Number System Trainer is free to download; Bass Timing Trainer costs $8.99 up front. Bass Timing Trainer sells 2 in-app purchases, starting at $0.99 per month. Number System Trainer asks for nothing beyond the download.

## The numbers

| Metric | Bass Timing Trainer | Number System Trainer |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | — | **[5.0 (12 ratings)](https://appshunter.io/ios/app/number-system-trainer/id6786437503/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 10 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [潮毅 林](https://appshunter.io/developer/1892921164) | [Brandon Oaks](https://appshunter.io/developer/6786437505) |

## What reviewers say

### Bass Timing Trainer

[App page](https://appshunter.io/ios/app/bass-timing-trainer/id6779602274)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bass Timing Trainer | $0.99 | per month |
| Bass Timing Trainer | $8.99 | one-time |


### Number System Trainer

[App page](https://appshunter.io/ios/app/number-system-trainer/id6786437503)

Learn and master the Nashville Number System for music. This app offers interactive modules to help musicians of all levels understand chord progressions, transpose songs, and improve their ear training. It's designed for quick learning and on-the-fly musical communication.

**Highlights:** Interactive learning modules, Chord reading and identification, Instant transposition, Ear training exercises, Visual chord shapes, Circle of 4ths & 5ths reference

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is Bass Timing Trainer free?

Bass Timing Trainer costs $8.99, and also offers in-app purchases.

### Is Number System Trainer free?

Number System Trainer is free to download, with no in-app purchases.

### Do Bass Timing Trainer or Number System Trainer have ads?

Neither Bass Timing Trainer nor Number System Trainer shows ads.

---

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