SelfLoops HRV vs HeyroFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Accurate HRV measurement
- Daily recovery & readiness tracking
- Clear trend monitoring
- Intuitive interface
- Bluetooth heart rate monitor compatible
- Sports science metrics
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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.
HeyroFit
Track your daily activity, heart rate, and sleep patterns. Receive call notifications and set alarms. Health data syncs with HealthKit for comprehensive wellness insights.
- Step monitoring
- Heart rate monitoring
- Sleep monitoring
- Call notifications
- Alarm settings
- HealthKit data upload
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This App can achieve the step monitoring, heart rate monitoring, sleep monitoring, call notification, alarm settings, health data uploaded to Healthkit and other functions. Note: 1.Continued use of GPS running in the background can dramatically decrease battery life. 2.Support background to find the function of mobile phone
Screenshots
Verdict
The clearest difference is review sentiment: SelfLoops HRV at 75% against HeyroFit's 0%. HeyroFit's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 18.0). On price, update cadence, 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
Both are free to download. SelfLoops HRV sells 1 one-off in-app purchase. HeyroFit asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.
| Parameter | SelfLoops HRV | HeyroFit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 75.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 70 MB |
| Age rating | 4+ | 12+ |
| Developer | SelfLoops | Adevos Solutions GmbH |
Customer experience
SelfLoops HRV
HeyroFit
In-app purchases
SelfLoops HRV
- HRV premium$3.99
HeyroFit
No in-app purchases
Questions
Is SelfLoops HRV free?
Is HeyroFit free?
Do SelfLoops HRV or HeyroFit have ads?
Which is updated more often, SelfLoops HRV or HeyroFit?
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