Comparison

NM HRV vs Health Data Export App

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

Head to head
About

NM HRV

Features
Read full description

This application allows you to connect with and use Frontier X - a revolutionary new wearable device that monitors your lungs and heart. Once you download this application on your iPhone, this will allow you to view your real-time data if you exercise with the Frontier X device. In order to use this application, you need to have the Frontier X device, available at fourthfrontier.com. Frontier X integrates with HealthKit to export your Frontier X activities into the Health app and to read heart rate and biometric data. The Frontier X is a chest-worn device that has the following features: Suitable for recording during Rest, Sleep and Activity. Real-time vibration alerts when you cross your Heart Rate thresholds Easy to use. Strap on and start. Sync later View quick activity summary on device screen Highly accurate Heart Rate data Apps available for iOS. IP67 Waterproof up to 1.5 M Battery: 14+ days of typical use, up to 24-hrs continuous use

About

Health Data Export App

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Health Data Export App lets you export all your Apple Health data as CSV files — ready for spreadsheets, research, or personal records. WHAT YOU CAN EXPORT • Activity: Steps, calories burned, distance, exercise time, stand time, flights climbed • Body: Weight, height, BMI, body fat, lean body mass, waist circumference • Heart & Vitals: Heart rate, resting heart rate, HRV, blood pressure, respiratory rate, SpO₂, VO₂max • Nutrition: Calories, carbohydrates, fat, protein, sugar, water, caffeine • Sleep: Sleep duration and stages • Environment & Audio: Environmental noise, headphone audio exposure, UV exposure HOW IT WORKS 1. Choose a health data type 2. Select a date range 3. Export as CSV and share to any app — spreadsheets, cloud storage, or email YOUR DATA STAYS ON YOUR DEVICE This app only reads data you choose to share. Nothing is uploaded to external servers. Health data never leaves your device without your explicit action.

Screenshots

NM HRV4 screens
Health Data Export App1 screens

Verdict

The call

The clearest difference is ads: NM HRV at none against Health Data Export App's shown. NM HRV also leads on iOS requirement (15.5 vs 26.0). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NM HRV ships an update fortnightly, Health Data Export App every 8 days. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 4 level
NM HRV versus Health Data Export App: the parameters behind the verdict, then further details
ParameterNM HRVHealth Data Export App
PriceFreeFree
Update frequencyFortnightlyEvery 8 days — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.5 — better26.0
Further details — not scored
Size85 MB31 MB
Age rating12+4+
DeveloperFourthfrontierHiroyuki Fujisawa

In-app purchases

None

NM HRV

No in-app purchases

None

Health Data Export App

No in-app purchases

Questions

Is NM HRV free?
NM HRV is free to download, with no in-app purchases.
Is Health Data Export App free?
Health Data Export App is free to download, with no in-app purchases.
Do NM HRV or Health Data Export App have ads?
Health Data Export App shows ads; NM HRV does not.
Which is updated more often, NM HRV or Health Data Export App?
NM HRV ships an update fortnightly, and Health Data Export App every 8 days. Most recently, NM HRV was updated on October 3, 2026 and Health Data Export App on October 1, 2026.

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