SelfLoops HRV vs Competiv
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.
Competiv
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Competiv transforms your workouts into a real-time competitive experience — whether you’re on a Concept2 rower, SkiErg, BikeErg, or other supported fitness equipment. Connect instantly via Bluetooth, automatically record workouts, compete head-to-head, get real-time stats, and dominate leaderboards. Real-Time Competition Go beyond solo training. Competiv turns your workout into a game - compare your pace and distance with other athletes training at the same time. Multi-Equipment Support Concept2 RowErg, SkiERG, and BikeERG …and more coming soon. Gamified Performance Tracking Earn XP for distances accumulated across every workout to Level Up your profile. Leaderboards Rise through the ranks with global or gym-level leaderboards.
Screenshots
Verdict
The clearest difference is in-app purchases: Competiv at none against SelfLoops HRV's 1. Competiv also leads on update cadence (weekly 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
Both are free to download. SelfLoops HRV sells 1 one-off in-app purchase. Competiv asks for nothing beyond the download.
SelfLoops HRV ships an update every 4 months, Competiv weekly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | SelfLoops HRV | Competiv |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 107 MB |
| Age rating | 4+ | 17+ |
| Developer | SelfLoops | Innerface Labs, LLC |
In-app purchases
SelfLoops HRV
- HRV premium$3.99
Competiv
No in-app purchases









