# Stress Tracker HRV vs Dreamer Sleep

The clearest difference is price: Dreamer Sleep at Free against Stress Tracker HRV's $7.99. Stress Tracker HRV's advantage is iOS requirement (13.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Dreamer Sleep is free to download; Stress Tracker HRV costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stress Tracker HRV ships an update every 5 weeks, Dreamer Sleep monthly. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stress Tracker HRV | Dreamer Sleep |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stress-tracker-hrv/id6748257580/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Paid | — |
| Size | 5 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Alvaro Garcia Pizarro](https://appshunter.io/developer/1822790774) | [LUKAS KOZAK](https://appshunter.io/developer/1858683003) |

## What reviewers say

### Stress Tracker HRV

[App page](https://appshunter.io/ios/app/stress-tracker-hrv/id6748257580)

Monitor your body's stress levels, sleep quality, and recovery using Heart Rate Variability (HRV) data from your Apple Watch. Gain insights into your mental and physical well-being to make informed decisions about rest and activity.

**Highlights:** Real-time stress tracking via HRV, Daily and weekly stress trend analysis, Recovery Index for bounce-back assessment, Sleep score and optimization insights, On-device data privacy

**Features:** Apple Watch app

**In-app purchases:** none


### Dreamer Sleep

[App page](https://appshunter.io/ios/app/dreamer-sleep/id6756151976)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Stress Tracker HRV free?

Stress Tracker HRV costs $7.99, with no in-app purchases.

### Is Dreamer Sleep free?

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

### Do Stress Tracker HRV or Dreamer Sleep have ads?

Neither Stress Tracker HRV nor Dreamer Sleep shows ads.

### Which is updated more often, Stress Tracker HRV or Dreamer Sleep?

Stress Tracker HRV ships an update every 5 weeks, and Dreamer Sleep monthly. Most recently, Stress Tracker HRV was updated on October 6, 2026 and Dreamer Sleep on October 12, 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.*