Comparison

Stress Tracker HRV vs Retention Warrior

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

Retention Warrior

Features
Read full description

For thousands of years, Taoist masters taught that vital energy is not spent, but refined. Strength was not forced, but accumulated. Power was not loud, but contained. Retention Warrior is inspired by those ancient principles, translated into a modern system for discipline, awareness, and self-control. What Retention Warrior Helps You Do Track your retention journey Mark each day of discipline and continuity. See patterns over time, not isolated moments. Log inner battles Record urges, focus, mood, and awareness. In Taoism, observation precedes transformation. Progress through stages of cultivation Move from Initiation to Discipline, Dominion, and beyond. Each stage represents deeper stability and presence. Visualize inner balance Clear indicators help you reflect on consistency, focus, and mental steadiness without noise or distraction. Unlock advanced insights - Privacy Policy: https://www.notion.so/giuseppegiorlando/Privacy-Policy-Retention-Warrior-Retention-Warrior-respects-your-privacy-2e562e30949180cfb460d742af122d6e?source=copy_link - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Retention Warrior4 screens

Verdict

The call

The clearest difference is price: Retention Warrior at Free against Stress Tracker HRV's $7.99. Stress Tracker HRV's advantage is in-app purchases (none vs 2) and chart position (#178 vs unranked). On ads 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

Retention Warrior is free to download; Stress Tracker HRV costs $7.99 up front. Retention Warrior sells 2 in-app purchases, starting at $4.99 per month. Stress Tracker HRV asks for nothing beyond the download.

Scorecard4 real differences · 7 level
Stress Tracker HRV versus Retention Warrior: the parameters behind the verdict, then further details
ParameterStress Tracker HRVRetention Warrior
Price$7.99Free — better
Rating5.0 (2 ratings) — better
Positive reviews100.0% of reviews
Number of ratings2 — better
Update frequencyEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid
Best chart rank#178 — better
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size5 MB46 MB
Age rating4+12+
DeveloperAlvaro Garcia PizarroGIUSEPPE GIORLANDO

In-app purchases

None

Stress Tracker HRV

No in-app purchases

2 purchases

Retention Warrior

Subscriptions1
  • Warrior monthly7 Days trial$4.991 Month
One-time1
  • Warrior Lifetime$99.00

Questions

Is Stress Tracker HRV free?
Stress Tracker HRV costs $7.99, with no in-app purchases.
Is Retention Warrior free?
Retention Warrior is free to download, with in-app purchases available.
Do Stress Tracker HRV or Retention Warrior have ads?
Neither Stress Tracker HRV nor Retention Warrior shows ads.

Other comparisons