Comparison

SelfLoops HRV vs CIAPO

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

CIAPO

This interactive indoor training app supports walking, running, cycling, and rowing. It seamlessly connects with various fitness equipment like treadmills, bikes, and rowers.

Highlights
  • Interactive indoor training
  • Supports walking, running, cycling, rowing
  • Compatible with treadmills
  • Compatible with exercise bikes
  • Compatible with rowing machines
  • Compatible with ellipticals
Features
Read full description

CIAPO is an interactive indoor training application, perfect for activities like walking, running, cycling, and rowing. It is highly compatible with a variety of fitness equipment, including treadmills, exercise bikes, home trainers, ellipticals, and rowing machines.

Screenshots

SelfLoops HRV4 screens
CIAPO4 screens

Verdict

The call

The clearest difference is in-app purchases: CIAPO at none against SelfLoops HRV's 1. CIAPO also leads on review sentiment (100% vs 75%) and update cadence (every 6 weeks vs every 4 months). On price, rating, ratings volume and ads 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. CIAPO asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for SelfLoops HRV against 5.0 for CIAPO. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 75% of SelfLoops HRV's written reviews are positive against 100% of CIAPO's.

UpkeepUpdate frequency

SelfLoops HRV ships an update every 4 months, CIAPO every 6 weeks. The most recent releases landed on June 5, 2026 and September 17, 2026 respectively.

Scorecard6 real differences · 4 level
SelfLoops HRV versus CIAPO: the parameters behind the verdict, then further details
ParameterSelfLoops HRVCIAPO
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 4 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS18.015.6 — better
Further details — not scored
Size6 MB235 MB
Age rating4+17+
DeveloperSELFLOOPS SNC DI DEL ROSSO CHRISTIAN E RIBICHINI PIEROFitshow (Xiamen) Infomation Technology Co., Ltd.

Customer experience

SelfLoops HRV

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

CIAPO

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

SelfLoops HRV

One-time1
  • HRV premium$3.99
None

CIAPO

No in-app purchases

Questions

Is SelfLoops HRV free?
SelfLoops HRV is free to download, with in-app purchases available.
Is CIAPO free?
CIAPO is free to download, with no in-app purchases.
Which has better reviews, SelfLoops HRV or CIAPO?
SelfLoops HRV and CIAPO are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do SelfLoops HRV or CIAPO have ads?
Neither SelfLoops HRV nor CIAPO shows ads.
Which is updated more often, SelfLoops HRV or CIAPO?
SelfLoops HRV ships an update every 4 months, and CIAPO every 6 weeks. Most recently, SelfLoops HRV was updated on June 5, 2026 and CIAPO on September 17, 2026.

Other comparisons