# JAF Model One vs Leaf Light

The clearest difference is price: Leaf Light at Free against JAF Model One's $9.99. Leaf Light also leads on rating (5.0 vs 4.7). JAF Model One's advantage is update cadence (every 9 days vs every 6 weeks) and ratings volume (15 vs 2). On ads, in-app purchases and device support there is nothing between them.

Leaf Light is free to download; JAF Model One costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Leaf Light holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: JAF Model One has 15 ratings behind it against 2, so its average is the more settled of the two.

JAF Model One ships an update every 9 days, Leaf Light every 6 weeks. Both last shipped on September 23, 2026.

## The numbers

| Metric | JAF Model One | Leaf Light |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.7 (15 ratings)](https://appshunter.io/ios/app/jaf-model-one/id1472652593/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/leaf-light/id6787166960/reviews)** |
| Number of ratings | **15** | 2 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | Paid | **Free** |
| Size | 12 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jens Guell](https://appshunter.io/developer/1195004865) | [Radii Research](https://appshunter.io/developer/1832856981) |

## What reviewers say

### JAF Model One

[App page](https://appshunter.io/ios/app/jaf-model-one/id1472652593)

This stereo audio effect plugin offers a virtual analog transistor ladder filter with self-oscillation capabilities. It features audio-rate modulation, onboard saturation for analog drive, and MIDI connectivity for real-time parameter control. Switchable between low-pass and high-pass modes, it can enhance individual tracks or entire mixes.

**Highlights:** Virtual analog transistor ladder filter, Self-oscillation capability, 24dB cutoff slope, Low-pass and high-pass modes, Stereo audio processing, Audio-rate modulation oscillator, Inbuilt saturation unit, MIDI connectivity for parameter automation

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

**In-app purchases:** none


### Leaf Light

[App page](https://appshunter.io/ios/app/leaf-light/id6787166960)

This app offers a unique audio experience, simulating a lightfield lenticular ambiance machine with flanger, delay, and reverb effects. Control sound parameters through a simulated tree canopy, blending natural sights and sounds for relaxation or musical creativity.

**Highlights:** Lightfield lenticular ambiance machine, Flanger, delay, and reverb effects, Simulated tree canopy control, Time of Day, Brightness, Wind parameters, Camera Distance, Aperture Focus, Light Trails effects, Standalone or AUv3 host compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is JAF Model One free?

JAF Model One costs $9.99, with no in-app purchases.

### Is Leaf Light free?

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

### Which has better reviews, JAF Model One or Leaf Light?

Leaf Light is rated higher. JAF Model One averages 4.7 out of 5 from 15 ratings, while Leaf Light averages 5.0 from 2 ratings.

### Do JAF Model One or Leaf Light have ads?

Neither JAF Model One nor Leaf Light shows ads.

### Which is updated more often, JAF Model One or Leaf Light?

JAF Model One ships an update every 9 days, and Leaf Light every 6 weeks. Most recently, JAF Model One was updated on September 23, 2026 and Leaf Light on September 23, 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.*