# LoFi Jazz Generator vs Harmonize Trainer

The clearest difference is price: LoFi Jazz Generator at Free against Harmonize Trainer's $1.99. Harmonize Trainer's advantage is chart position (#119 vs unranked) and iOS requirement (15.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

LoFi Jazz Generator is free to download; Harmonize Trainer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LoFi Jazz Generator ships an update every 2 months, Harmonize Trainer every 3 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | LoFi Jazz Generator | Harmonize Trainer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Best chart rank | — | **#119** |
| Size | 101 MB | 31 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Half Eaten Toast](https://appshunter.io/developer/1854961369) | [Stephen Michael Cesler](https://appshunter.io/developer/1688595725) |

## What reviewers say

### LoFi Jazz Generator

[App page](https://appshunter.io/ios/app/lofi-jazz-generator/id6763470071)

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

**In-app purchases:** none


### Harmonize Trainer

[App page](https://appshunter.io/ios/app/harmonize-trainer/id6781284983)

**Currently charting:** #119 Top Paid · Music (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is LoFi Jazz Generator free?

LoFi Jazz Generator is free to download, with no in-app purchases.

### Is Harmonize Trainer free?

Harmonize Trainer costs $1.99, with no in-app purchases.

### Do LoFi Jazz Generator or Harmonize Trainer have ads?

Neither LoFi Jazz Generator nor Harmonize Trainer shows ads.

### Which is updated more often, LoFi Jazz Generator or Harmonize Trainer?

LoFi Jazz Generator ships an update every 2 months, and Harmonize Trainer every 3 months. Most recently, LoFi Jazz Generator was updated on October 18, 2026 and Harmonize Trainer on October 9, 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.*