# LYMA vs SONA VNS

The clearest difference is rating: LYMA at 2.8 against SONA VNS's 2.0. LYMA also leads on ratings volume (4 vs 1). SONA VNS's advantage is iOS requirement (15.1 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LYMA holds the better App Store score, 2.8 against 2.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LYMA | SONA VNS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/lyma/id6754761992/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/sona-vns/id6756424780/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | Free |
| Size | 54 MB | 120 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [LYMA Life Ltd](https://appshunter.io/developer/1824186875) | [Mindspire Limited](https://appshunter.io/developer/1586140980) |

## What reviewers say

### LYMA

[App page](https://appshunter.io/ios/app/lyma/id6754761992)

Take control of your health, wellbeing, and skin with expert guidance and advanced AI-powered skin analysis. Track your progress, set reminders for optimal doses, and monitor skin transformations over time for measurable improvements.

**Highlights:** AI-powered skin analysis (LSS), Personalized health and laser protocols, Supplement reminders and tracking, Laser treatment timer, Progress monitoring for skin improvements, Wellness record logging

**In-app purchases:** none


### SONA VNS

[App page](https://appshunter.io/ios/app/sona-vns/id6756424780)

This app guides personalized, non-invasive vagus nerve stimulation sessions to support relaxation, sleep, and cognitive function. It tracks progress with analytics and integrates with wearables for deeper insights into your wellness journey.

**Highlights:** Personalized journey sessions, Daily taVNS for stress recovery, Guided audio and breathing exercises, Heart rate and HRV analytics, Wearable device integration, Progress tracking and streaks

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

**In-app purchases:** none


## Frequently asked questions

### Is LYMA free?

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

### Is SONA VNS free?

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

### Which has better reviews, LYMA or SONA VNS?

LYMA is rated higher. LYMA averages 2.8 out of 5 from 4 ratings, while SONA VNS averages 2.0 from 1 ratings.

### Do LYMA or SONA VNS have ads?

Neither LYMA nor SONA VNS shows ads.

### Which is updated more often, LYMA or SONA VNS?

LYMA ships an update fortnightly, and SONA VNS fortnightly. Most recently, LYMA was updated on October 17, 2026 and SONA VNS on October 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.*