This medical app calculates QTc using nine different formulas. It allows users to input heart rate or RR interval and QT interval length for quick results. An Apple Watch app is also included for convenient access.
4.7(51 ratings)
Free
Best apps like ECG - Corrected QT Interval
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4.3 avg rating
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Updated October 2026
Whether you want more options like ECG or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Top Alternatives to ECG
QT ECG by QT Medical, Inc.
Strong Contender
🏥 Medical
3.4(5 ratings)
Free
Record and transmit high-quality 12-lead ECGs for physician interpretation. This app connects to compatible smart devices via Bluetooth to display and send ECG data to a secure cloud. An account with the developer is required for use.
5.0(1 ratings)
$0.99
This medical app provides over 30 formulas for calculating corrected and predicted QT intervals (QTc and QTp). It includes details on each formula, reference links, statistical analysis, and graphing of results. Definitions of normal and abnormal QTc intervals are also provided.
