# Stressless vs Systema

The clearest difference is in-app purchases: Stressless at none against Systema's 2. Systema's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Systema sells 2 in-app purchases, starting at $4.99 per month. Stressless asks for nothing beyond the download.

Stressless ships an update every 3 weeks, Systema every 4 days. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Stressless | Systema |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 42 MB | 90 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [RELAXRHYTHM INNOVATIONS](https://appshunter.io/developer/1802627371) | [Nazar Yurkevych](https://appshunter.io/developer/6782207968) |

## What reviewers say

### Stressless

[App page](https://appshunter.io/ios/app/stressless-calm-and-focus/id6743402511)

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

**In-app purchases:** none


### Systema

[App page](https://appshunter.io/ios/app/systema-workout-tracking/id6782207966)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $4.99 | per month |
| PRO Yearly | $34.99 | per year |


## Frequently asked questions

### Is Stressless free?

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

### Is Systema free?

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

### Do Stressless or Systema have ads?

Neither Stressless nor Systema shows ads.

### Which is updated more often, Stressless or Systema?

Stressless ships an update every 3 weeks, and Systema every 4 days. Most recently, Stressless was updated on October 15, 2026 and Systema on October 19, 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.*