# Lightning Headset Test vs Jynth

The clearest difference is in-app purchases: Lightning Headset Test at none against Jynth's 1. Lightning Headset Test also leads on iOS requirement (9.3 vs 15.6). Jynth's advantage is update cadence (every 2 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Jynth sells 1 one-off in-app purchase. Lightning Headset Test asks for nothing beyond the download.

Lightning Headset Test ships an update every 7 months, Jynth every 2 weeks. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Lightning Headset Test | Jynth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (10 ratings)](https://appshunter.io/ios/app/jynth-physics-analog-synth/id6761420030/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 32 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Crysound Electronics Co., Ltd.](https://appshunter.io/developer/1204067982) | [Fingerlab](https://appshunter.io/developer/412786610) |

## What reviewers say

### Lightning Headset Test

[App page](https://appshunter.io/ios/app/lightning-headset-test/id1204067983)

**Features:** macOS Compatibility

**In-app purchases:** none


### Jynth

[App page](https://appshunter.io/ios/app/jynth-physics-analog-synth/id6761420030)

This music app recreates the warm, analog sound of a classic synth with a unique physics engine for organic soundscapes. Explore vintage tones, advanced modulation, and innovative performance features like assigning different presets to individual notes.

**Highlights:** Analog-style signal chain, Physics-driven modulation, Preset Per Note & Preset Ribbon, 5 studio-grade effects, AUv3 plugin support, MIDI controller integration

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $9.99 | one-time |


## Frequently asked questions

### Is Lightning Headset Test free?

Lightning Headset Test is free to download, with no in-app purchases.

### Is Jynth free?

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

### Do Lightning Headset Test or Jynth have ads?

Neither Lightning Headset Test nor Jynth shows ads.

### Which is updated more often, Lightning Headset Test or Jynth?

Lightning Headset Test ships an update every 7 months, and Jynth every 2 weeks. Most recently, Lightning Headset Test was updated on September 10, 2026 and Jynth on September 24, 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.*