Last 30 days
Last 30 days
Avg per download
1 reviews
Last 30 days
Last 30 days
Avg rev. per download
1 reviews
Performance Insights
Competition level
Low competitionUnder 100K on both downloads and revenue — the kind of niche a small team can still take.
On the store
Released July 2018 · 11 releases since
EP QTc is an iOS app ($0.99) by EP Studios in the mobile app category. It holds a 5.0-star rating.
- A paid app priced at $0.99.
- Ships new versions a few a year.
- Latest version is 1.10.0, released February 11, 2026.
- 100% of ratings are five-star.
- Available in 1 language.
- Strongest in US, CA, GB.
- Downloads at 5.1 MB and requires iOS 13.0+.
- Rated 13+.
App details
- Version
- 1.10.0
- Release status
- Worldwide
- Age rating
- 13+
- Requires
- iOS 13.0+
- Size
- 5.1 MB
- Languages
- English
- Price
- $0.99
- First seen
- July 2018
- Top markets
- US, CA, GB
- Publisher country
- US
- Support
- Visit support
Release history
11 versions tracked
- Version 1.10.0Latest
- Version 1.9.0
- Version 1.8.0
- Version 1.7
- Version 1.6
- Version 1.4
- Version 1.3
- Version 1.2
- Version 1.1.1
- Version 1.1
- Version 1.0
Ships a few a year.
What users say
About EP QTc
486 characters
This app collects over 30 published formulas for calculating the corrected and predicted QT interval (QTc and QTp). Included are details on each formula and reference links. Results are analyzed statistically and graphed. Published definitions of normal and abnormal QTc intervals are also included.
This is no ordinary calculator that just gives you the results of Bazett's formula. If you are interested in this fascinating corner of electrocardiology, this app is for you.
Screenshots
10 iPhone screenshots
EP QTc iOS app is available. The app maintains a 5.0-star rating based on 1 user reviews, indicating strong user satisfaction in the mobile app market.
EP QTc iOS app competes actively in the mobile app category.
You can download EP QTc iOS app from the App Store for iOS devices, requiring iOS 13.0 or later. The app provides its core features without requiring in-app purchases.
View on App Store