# Gridplay vs Jazz Scales Trainer

The clearest difference is review sentiment: Jazz Scales Trainer at 80% against Gridplay's 36%. Jazz Scales Trainer also leads on rating (3.0 vs 2.4) and in-app purchases (none vs 1). Gridplay's advantage is update cadence (monthly vs every 22 months) and ratings volume (77 vs 2). On ads, monetization model and device support there is nothing between them.

Gridplay costs $1.99 and Jazz Scales Trainer $2.99 up front. Gridplay sells 1 one-off in-app purchase. Jazz Scales Trainer asks for nothing beyond the download.

Jazz Scales Trainer holds the better App Store score, 3.0 against 2.4. That said, the two scores are not equally well evidenced: Gridplay has 77 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 36% of Gridplay's written reviews are positive against 80% of Jazz Scales Trainer's.

Gridplay ships an update monthly, Jazz Scales Trainer every 22 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Gridplay | Jazz Scales Trainer |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | [2.4 (77 ratings)](https://appshunter.io/ios/app/gridplay/id861216052/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/jazz-scales-trainer/id1621849274/reviews)** |
| Number of ratings | **77** | 2 |
| Positive reviews | 35.9% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 22 months |
| Monetization | Paid | Paid |
| Size | 14 MB | 8 MB |
| Requires iOS | **11.3** | 15.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peta Vision](https://appshunter.io/developer/401432180) | [Martin Miller](https://appshunter.io/developer/1621849276) |

## What reviewers say

### Gridplay

[App page](https://appshunter.io/ios/app/gridplay/id861216052)

Create dynamic, multi-clip music videos with an innovative grid interface. Combine and divide cells, adjust individual clips, and add music to produce unique visual content for social media.

**Highlights:** Multi-clip grid interface, Combine and divide cells, Independent clip sound control, Timeline editing, Clip rotation and scaling, Save to camera roll, Share to social media

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expend video length to 5minute | $0.99 | one-time |


### Jazz Scales Trainer

[App page](https://appshunter.io/ios/app/jazz-scales-trainer/id1621849274)

Master jazz improvisation with play-along exercises focused on scales. Practice single scales and transitions, with customizable accompaniment beats and chords. Prepare for jam sessions by analyzing your favorite songs and selecting scale proposals for each chord.

**Highlights:** Play-along jazz scale exercises, Scale transition training, Customizable accompaniment beats and chords, Song analysis for scale selection, Instrument configuration (clef, pitch, range)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gridplay free?

Gridplay costs $1.99, and also offers in-app purchases.

### Is Jazz Scales Trainer free?

Jazz Scales Trainer costs $2.99, with no in-app purchases.

### Which has better reviews, Gridplay or Jazz Scales Trainer?

Jazz Scales Trainer is rated higher. Gridplay averages 2.4 out of 5 from 77 ratings, while Jazz Scales Trainer averages 3.0 from 2 ratings.

### Do Gridplay or Jazz Scales Trainer have ads?

Neither Gridplay nor Jazz Scales Trainer shows ads.

### Which is updated more often, Gridplay or Jazz Scales Trainer?

Gridplay ships an update monthly, and Jazz Scales Trainer every 22 months. Most recently, Gridplay was updated on October 26, 2026 and Jazz Scales Trainer on October 20, 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.*