# Nak by Polyme vs SAMATHI

The clearest difference is in-app purchases: Nak by Polyme at none against SAMATHI's 4. Nak by Polyme also leads on device support (4 vs 2) and iOS requirement (15.0 vs 26.5). On price, update cadence and ads there is nothing between them.

Both are free to download. SAMATHI sells 4 in-app purchases, starting at $0.99 per month. Nak by Polyme asks for nothing beyond the download.

Nak by Polyme ships an update every 2 days, SAMATHI daily. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Nak by Polyme | SAMATHI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/nak-by-polyme/id6791503108/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 144 MB | 21 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [POLYME DOT COMPANY LIMITED](https://appshunter.io/developer/1894242895) | [Theerawee Pornpichayanurak](https://appshunter.io/developer/6810232924) |

## What reviewers say

### Nak by Polyme

[App page](https://appshunter.io/ios/app/nak-by-polyme/id6791503108)

This app uses your device's front camera to ensure your eyes are closed during meditation sessions. The timer only progresses when your eyes are shut, preventing faking and encouraging genuine mindfulness. It offers various session lengths, progress tracking, and private journaling.

**Highlights:** Eye-tracking to verify closed eyes, Timed meditation sessions, Progressive otter transformation, Earn orbs and climb leaderboards, Private journaling, Logs Mindful Minutes to Apple Health

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### SAMATHI

[App page](https://appshunter.io/ios/app/samathi/id6810232922)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SAMATHI PLUS รายเดือน | $0.99 | per month |
| SAMATHI PRO รายเดือน | $2.99 | per month |
| SAMATHI PLUS รายปี | $12.99 | per year |
| SAMATHI PRO รายปี | $29.99 | per year |


## Frequently asked questions

### Is Nak by Polyme free?

Nak by Polyme is free to download, with no in-app purchases.

### Is SAMATHI free?

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

### Do Nak by Polyme or SAMATHI have ads?

Neither Nak by Polyme nor SAMATHI shows ads.

### Which is updated more often, Nak by Polyme or SAMATHI?

Nak by Polyme ships an update every 2 days, and SAMATHI daily. Most recently, Nak by Polyme was updated on October 11, 2026 and SAMATHI 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.*