Comparison

Stress Tracker HRV vs Dreamer Sleep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stress Tracker HRV

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
Read full description

Stress tracking with HRV, sleep insights & recovery in one simple app. Feel tired, anxious, or burned out without knowing why? This app gives you answers, not guesses. Stress Tracker uses Heart Rate Variability (HRV) to show your real stress level, sleep quality, and how well you’re recovering — all from your Apple Watch. Track your daily stress instantly. See how it changes across the day or week. Know when to rest, recover, or push forward with data-backed clarity. Features: • Real‑time stress tracking based on HRV • Daily & weekly stress trends • Recovery Index to see how you bounce back • Sleep score and insights to optimize rest • Fully private – nothing leaves your device Get clarity over your mental and physical health. Stop guessing. Start tracking.

About

Dreamer Sleep

Features
Read full description

Dreamer is a smart sleep tracker built for Apple Watch. It analyzes your night automatically and gives you a clear 0–100 sleep score every morning — no manual input needed. Everything runs on your wrist. Dreamer reads data from Apple Health, scores your sleep using 11 metrics, and helps you understand what makes a good night. Duration, sleep stages, efficiency, heart rate variability, and more — all combined into one simple number. LIMITED TIME: DREAMER IS COMPLETELY FREE For a limited time, Dreamer is available at no cost. No subscription, no in-app purchases, no catch. Get full access to every feature while this offer lasts. SLEEP SCORE A single 0–100 score calculated on-device from Apple Health data. It combines duration, stages, efficiency, awake time, awakenings, sleep latency, and consistency. Recovery signals like HRV, resting heart rate, respiratory rate, and blood oxygen are used when available. Short nights are capped and missing data lowers the score — so you always get an honest result. SLEEP STAGES • Night timeline of Awake, Light, Deep, and REM • Bed and wake time overview • Nap sessions shown when detected DETAILED METRICS • Duration, Deep Sleep, REM Sleep • Sleep Efficiency, Awake Time & Awakenings • Sleep Latency, Consistency • HRV, Heart Rate, Respiratory Rate, Blood Oxygen (when available) WEEKLY VIEW • 7-day averages and trends • Schedule consistency tracking • Body energy level summary • Day-by-day score overview PRIVACY FIRST All processing happens on your device. Your data stays in Apple Health. Nothing is sent anywhere. REQUIREMENTS • Apple Watch with watchOS 10+ • Sleep tracking enabled in Apple Health • Health permissions granted for sleep and heart rate data

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Stress Tracker HRV versus Dreamer Sleep: the parameters behind the verdict, then further details
ParameterStress Tracker HRVDreamer Sleep
Price$7.99Free — better
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPod, Apple WatchiPhone, iPod, Apple Watch
Requires iOS13.0 — better15.0
Further details — not scored
Size5 MB3 MB
Age rating4+4+
DeveloperAlvaro Garcia PizarroLUKAS KOZAK

In-app purchases

None

Stress Tracker HRV

No in-app purchases

None

Dreamer Sleep

No in-app purchases

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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