Comparison

Istel ECG vs ECG Tracker+ EKG Reader HRV

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

Head to head
About

Istel ECG

This application works with a compatible recorder to perform quick ECG tests. It displays heart electrical activity, stores measurement history, and allows for easy sharing of results. Configuration of device parameters and PDF export are also supported.

Highlights
  • Real-time ECG signal display
  • Measurement history tracking
  • Built-in browser for interpretation
  • Device parameter configuration
  • Export measurements to PDF
  • Share measurement results
Read full description

This Istel ECG App and a mobile Istel HR-2000 recorder can be used to carry out a quick and easy ECG test. The app can record measurement results and the built-in browser displays signals from the six limb electrodes to make test interpretation easier. Main App features: - displaying the electrical activity of the heart muscle from Istel HR-2000 - measurement history - built-in browser used to display results recorded through the six limb electrodes - configuration of operating parameters of the Istel HR-2000 device - exporting measurements to PDF - measurement sharing Medical disclaimer: Do not do any medical activities without consultation with your doctor. Do not change your treatment based on measurement results without consulting with your doctor. If your measurement result is not consistent with your symptoms, you should contact your doctor and follow his instructions. The Istel ECG application is intended for the market of the EEA. This app uses the SQLCipher library under the following license: https://www.zetetic.net/sqlcipher/license/

About

ECG Tracker+ EKG Reader HRV

Analyze ECG recordings from compatible health apps on a calibrated grid. Measure key metrics like HRV and QTc, track trends over time, and export detailed PDF reports. All processing is done on-device for enhanced privacy.

Highlights
  • Calibrated waveform grid review
  • HRV, QTc, QRS duration measurement
  • Trend tracking over time
  • Notes and symptom tagging
  • Shareable PDF report export
  • On-device processing
Features
Currently charting
Read full description

Explore your Apple Watch ECGs in detail, follow changes over time, and keep useful records for conversations with your doctor. ECG Tracker+ brings your ECG recordings from Apple Health into one organized library. Review interactive waveforms, explore estimated measurements, add context to your recordings, and revisit your results on iPhone and Apple Watch. TAKE A CLOSER LOOK Zoom into your ECG waveform and explore the shape of a beat with Beat Morphology. See available measurements alongside the recording, with explanations to help you understand the terminology. • Heart rate and beat-to-beat RR intervals • Heart rate variability (HRV), including rMSSD and SDNN • QT and corrected QT (QTc), with a choice of correction formulas • PR interval, P-wave duration, and QRS duration Review highlighted possible premature beats and repeating patterns, including PACs, PVCs, bigeminy, and trigeminy. Measurements and findings depend on the recording and signal quality and may not always be available. SEE YOUR RECORDINGS OVER TIME Explore charts for heart rate, HRV, QTc, and other ECG measurements. Compare periods and return to individual recordings for more detail. Use the Heart Rate Timeline to view Apple Health heart rate readings alongside the times you recorded an ECG. KEEP THE CONTEXT THAT MATTERS Add notes and symptom tags so you can remember how you felt when you recorded an ECG. Find recordings with notes, set aside ECGs for your next visit, and keep questions for your doctor with the relevant recording. SHARE A CLEARER RECORD Export PDF reports with your ECG waveform, measurements, and notes. Bring the details you want to discuss to an appointment or share a report directly from your iPhone. REVISIT RESULTS ON YOUR WATCH Browse recent recordings, view waveforms and available measurements, and check trends from your wrist. The companion app displays results processed on your paired iPhone and synced to Apple Watch. ANALYSIS ON YOUR IPHONE Your ECG recordings are analyzed on your iPhone without uploading them to a cloud analysis service. No account is required. ECG Tracker+ reads from Apple Health without changing your Health records. START FREE Get three free full ECG analyses each month, including PDF export for those unlocked recordings. Recordings unlocked with your free allowance remain unlocked. An optional subscription adds unlimited analysis and full Trends access. Requires ECG recordings in Apple Health. Record new ECGs using Apple's ECG app on a supported Apple Watch. The companion app requires the paired iPhone for analysis and syncing. ECG Tracker+ is an informational measurement tool and is not a medical device. It does not provide medical advice, diagnosis, or treatment. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Istel ECG3 screens
ECG Tracker+ EKG Reader HRV4 screens

Verdict

The call

The clearest difference is rating: ECG Tracker+ EKG Reader HRV at 3.6 against Istel ECG's 3.0. ECG Tracker+ EKG Reader HRV also leads on update cadence (weekly vs every 3 months) and ratings volume (28 vs 1). Istel ECG's advantage is in-app purchases (none vs 5) and iOS requirement (10.0 vs 26.0). 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. ECG Tracker+ EKG Reader HRV sells 3 in-app purchases, starting at $7.99 per month. Istel ECG asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ECG Tracker+ EKG Reader HRV holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: ECG Tracker+ EKG Reader HRV has 28 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Istel ECG ships an update every 3 months, ECG Tracker+ EKG Reader HRV weekly. The most recent releases landed on October 15, 2026 and October 26, 2026 respectively.

Scorecard7 real differences · 4 level
Istel ECG versus ECG Tracker+ EKG Reader HRV: the parameters behind the verdict, then further details
ParameterIstel ECGECG Tracker+ EKG Reader HRV
PriceFreeFree
Rating3.0 (1 ratings)3.6 (28 ratings) — better
Positive reviews—46.2% of reviews
Number of ratings128 — better
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
Best chart rank—#192 — better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS10.0 — better26.0
Further details — not scored
Size22 MB116 MB
Age rating17+12+
DeveloperDiagnosis S.A.Artur Teodorowicz

Customer experience

Istel ECG

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%

ECG Tracker+ EKG Reader HRV

All ratings28 ratings
Positive64.3%
Neutral3.6%
Negative32.1%
Written reviews13 reviews
Positive46.2%
Neutral0.0%
Negative53.8%

In-app purchases

None

Istel ECG

No in-app purchases

3 purchases

ECG Tracker+ EKG Reader HRV

Subscriptions2
  • ECG Tracker+ Pro Monthly2 variants$7.991 Month
  • ECG Tracker+ Pro Yearly2 variants$59.991 Year
One-time1
  • ECG Tracker+ Pro Lifetime$89.99

Questions

Is Istel ECG free?
Istel ECG is free to download, with no in-app purchases.
Is ECG Tracker+ EKG Reader HRV free?
ECG Tracker+ EKG Reader HRV is free to download, with in-app purchases available.
Which has better reviews, Istel ECG or ECG Tracker+ EKG Reader HRV?
ECG Tracker+ EKG Reader HRV is rated higher. Istel ECG averages 3.0 out of 5 from 1 ratings, while ECG Tracker+ EKG Reader HRV averages 3.6 from 28 ratings.
Do Istel ECG or ECG Tracker+ EKG Reader HRV have ads?
Neither Istel ECG nor ECG Tracker+ EKG Reader HRV shows ads.
Which is updated more often, Istel ECG or ECG Tracker+ EKG Reader HRV?
Istel ECG ships an update every 3 months, and ECG Tracker+ EKG Reader HRV weekly. Most recently, Istel ECG was updated on October 15, 2026 and ECG Tracker+ EKG Reader HRV on October 26, 2026.

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