# mellowD vs NotationPlayer

The clearest difference is in-app purchases: mellowD at none against NotationPlayer's 2. NotationPlayer's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NotationPlayer sells 2 in-app purchases, starting at $0.99 per month. mellowD asks for nothing beyond the download.

mellowD ships an update every 5 weeks, NotationPlayer every 2 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | mellowD | NotationPlayer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 53 MB | 50 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kai Lehmann](https://appshunter.io/developer/1868686280) | [ChorusLogic Ltd.](https://appshunter.io/developer/1062613715) |

## What reviewers say

### mellowD

[App page](https://appshunter.io/ios/app/mellowd-intonation-trainer/id6757753981)

**In-app purchases:** none


### NotationPlayer

[App page](https://appshunter.io/ios/app/notationplayer/id6758664511)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NotationPlayer Monthly | $0.99 | per month |
| Full Access | $6.99 | one-time |


## Frequently asked questions

### Is mellowD free?

mellowD is free to download, with no in-app purchases.

### Is NotationPlayer free?

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

### Do mellowD or NotationPlayer have ads?

Neither mellowD nor NotationPlayer shows ads.

### Which is updated more often, mellowD or NotationPlayer?

mellowD ships an update every 5 weeks, and NotationPlayer every 2 weeks. Most recently, mellowD was updated on October 3, 2026 and NotationPlayer on October 7, 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.*