Comparison

SelfLoops HRV vs Mauna

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

Head to head
About

SelfLoops HRV

This app measures and analyzes heart rate variability (HRV) using Bluetooth heart rate monitors. It helps users track recovery, stress, and training readiness to optimize performance. Advanced metrics are provided for sports science and research applications.

Highlights
  • Accurate HRV measurement
  • Daily recovery & readiness tracking
  • Clear trend monitoring
  • Intuitive interface
  • Bluetooth heart rate monitor compatible
  • Sports science metrics
Features
Read full description

SELFLOOPS HRV – Recovery, Readiness & Performance SELFLOOPS HRV is a professional-grade app to measure and analyze heart rate variability (HRV)—trusted by pro athletes, coaches, and researchers to track recovery, stress, fatigue, and training readiness. Using precise beat-to-beat (R-R interval) data from Bluetooth heart rate monitors, SELFLOOPS delivers highly accurate HRV insights used in sports science and performance optimization. Why track HRV? Heart Rate Variability (HRV) measures the variation between heartbeats and is one of the most reliable indicators of: 1. Recovery status 2. Training readiness 3. Stress and fatigue 4. Nervous system balance 5. Long-term performance Track your HRV daily to understand when to push harder or recover, reduce the risk of overtraining, and improve performance over time. Advanced HRV Analysis SELFLOOPS HRV provides the key metrics used in elite sports and scientific research: 1. RMSSD 2. ln(RMSSD) (HRV Score) 3. SDNN 4. pNN50 5. AVNN Key Features 1. Accurate HRV measurement from beat-to-beat data 2. Daily recovery & readiness tracking 3. Clear trends to monitor progress over time 4. Fast, simple, and intuitive interface 5. Compatible with leading Bluetooth heart rate monitors 6. Used in endurance, strength training, cycling, running, and fitness Device Compatibility Requires a Bluetooth Low Energy (BLE) heart rate monitor. For best accuracy, use a chest strap that supports R-R interval data. Not all heart rate monitors provide this data. Connection Tips If your sensor does not connect: 1. Make sure it is not connected to another app or device 2. Do not pair it directly in iOS Settings Disclaimer SELFLOOPS HRV is not a medical app and does not provide medical advice. Consult a qualified healthcare professional for any health-related decisions.

About

Mauna

Features
Read full description

On MAUNA app, the user can input daily: what he has eaten and when, which sport activity he has done and how he felt (automatically connected to his Garmin, Coros, Polar or Suunto device if he has one), his sleep record (manually or automatically if he has one of the devices just mentioned), and some health markers such as stress, mood, energy or feelings’ state.

Screenshots

SelfLoops HRV4 screens
Mauna4 screens

Verdict

The call

The clearest difference is in-app purchases: Mauna at none against SelfLoops HRV's 1. Mauna also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (15.1 vs 18.0). On price, 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

Both are free to download. SelfLoops HRV sells 1 one-off in-app purchase. Mauna asks for nothing beyond the download.

UpkeepUpdate frequency

SelfLoops HRV ships an update every 4 months, Mauna every 3 weeks. Both last shipped on October 11, 2026.

Scorecard3 real differences · 7 level
SelfLoops HRV versus Mauna: the parameters behind the verdict, then further details
ParameterSelfLoops HRVMauna
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size6 MB57 MB
Age rating4+12+
DeveloperSelfLoopsOscar Stubler

In-app purchases

1 purchases

SelfLoops HRV

One-time1
  • HRV premium$3.99
None

Mauna

No in-app purchases

Questions

Is SelfLoops HRV free?
SelfLoops HRV is free to download, with in-app purchases available.
Is Mauna free?
Mauna is free to download, with no in-app purchases.
Do SelfLoops HRV or Mauna have ads?
Neither SelfLoops HRV nor Mauna shows ads.
Which is updated more often, SelfLoops HRV or Mauna?
SelfLoops HRV ships an update every 4 months, and Mauna every 3 weeks. Most recently, SelfLoops HRV was updated on October 11, 2026 and Mauna on October 11, 2026.

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