# Jazz Time Trainer vs practice cents

The clearest difference is in-app purchases: Jazz Time Trainer at none against practice cents's 2. Jazz Time Trainer also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. practice cents sells 2 in-app purchases, starting at $4.99 per month. Jazz Time Trainer asks for nothing beyond the download.

Jazz Time Trainer ships an update every 4 days, practice cents every 3 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Jazz Time Trainer | practice cents |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 19 MB | 37 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sangwoo Shin](https://appshunter.io/developer/6778440317) | [Phillip Holland](https://appshunter.io/developer/1658607753) |

## What reviewers say

### Jazz Time Trainer

[App page](https://appshunter.io/ios/app/jazz-time-trainer/id6778440315)

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

**In-app purchases:** none


### practice cents

[App page](https://appshunter.io/ios/app/practice-cents/id6798775760)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| practice cents Pro | $4.99 | per month |
| practice cents Pro | $29.99 | per year |


## Frequently asked questions

### Is Jazz Time Trainer free?

Jazz Time Trainer is free to download, with no in-app purchases.

### Is practice cents free?

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

### Do Jazz Time Trainer or practice cents have ads?

Neither Jazz Time Trainer nor practice cents shows ads.

### Which is updated more often, Jazz Time Trainer or practice cents?

Jazz Time Trainer ships an update every 4 days, and practice cents every 3 days. Most recently, Jazz Time Trainer was updated on October 25, 2026 and practice cents on October 29, 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.*