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EP Calipers

EP Studios
Electronic calipers
Open in App Store ↗
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172 of 172 storefronts
Content in en-US
6 Ratings
2.3
★★★★★
Age Rating
12+
Years
Developer
EP Studios
Language
EN
+2 More
Size
9.8
MB

Information

Apple ID982313078
Bundle IDorg.epstudios.EP-Calipers
SellerSeller
Min iOS14.0
Min macOS11.0
Device familiesiphone, ipad, ipod
Released2015-04-23
Copyright© 2015 - 2025 EP Studios, Inc.
Privacy policyLink ↗

Icon history 2 versions

current iconCurrent
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previous iconPrevious

Preview 2 platforms

iPhone 8 images

iPhone screenshot
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iPhone screenshot

iPad 10 images

iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot

What’s New Version 3.10.0

Support Liquid Glass

Description

EP Calipers provides electronic calipers to measure intervals on images of electrocardiograms (ECGs) or electrophysiologic recordings. Doctors, nurses and medical technicians photograph and send ECGs to each other via email and messaging using smart phones and tablets. It is difficult and inaccurate to make measurements on these images with mechanical calipers. EP Calipers can be used to make accurate ECG measurements and do calculations such as determining mean heart rate and corrected QT interval. Angles such as the beta angle in Brugada syndrome can be measured as well. Analyze ECG images you photograph or store on your device, as well as PDF files, such as ECGs generated by the AliveCor Kardia™ device.

Accessibility

ipadiphonemacrealityDevicetvoswatch

Version history 25 versions

Build 878656997v3.10.02025-10-04 15:50:33
Support Liquid Glass
Build 876686908v3.9.02025-07-25 13:47:06
Added support for upcoming iOS 26. Use native iOS color picker.
Build 876387317v3.8.32025-07-15 01:17:37
Fix a problem with color selection.
Build 874535807v3.8.22025-05-06 15:57:15
Add delete caliper to long press menu.
Build 858169324v3.8.02023-06-29 23:22:22
Prevent negative heart rates (bpm)
Build 855647526v3.7.12023-03-18 18:43:03
Bug fix
Build 849866949v3.7.02022-06-21 21:07:13
Use Apple Pencil on iPad to annotate ECGs Bug fixes
Build 845182362v3.6.22021-11-06 21:59:16
Fix problems with navigation bar and toolbar colors in iOS 15
Build 840043465v3.6.12021-01-16 20:59:43
Bug fixes
Build 840026871v3.62021-01-14 10:06:09
Import images from Files app (iOS 14+) Save screen snapshots
Build 837974919v3.52020-09-27 14:25:50
Calipers maintain position relative to underlying image with scroll, zoom, and rotation New icons
Build 836532245v3.42020-06-23 16:43:27
Warn if calibration units are missing or not valid.
Build 833737989v3.32019-11-25 02:57:13
Fix dark background of PDFs when in dark mode
Build 832763243v3.22019-09-13 21:13:59
Dark mode
Build 831765238v3.1.12019-06-24 11:53:50
Fix missing French translation of settings.
Build 830554206v3.12019-03-09 20:04:00
Bug fixes
Build 830148235v3.02019-01-31 16:52:02
New easier user interface Other improvements
Build 829654100v2.152018-12-15 13:00:42
Change caliper text position Caliper text can automatically reposition itself so as not to be obscured
Build 825993768v2.142018-02-14 19:30:27
Bug fixes
Build 825630375v2.132018-01-22 19:03:39
Russian translation and bug fixes
Build 825345256v2.122017-12-16 20:11:34
Do multiple QTc measurements with the same RR interval Some notch-related fixes for iPhone X
Build 825150928v2.11.12017-12-02 18:28:41
Bug fixes
Build 824838233v2.112017-11-25 20:40:03
Marching calipers to march out P waves or assess rhythm regularity
Build 824284798v2.102017-11-06 18:10:03
Fix truncated toolbar button labels in small phones using iOS 11
Build 824113157v2.92017-10-23 18:54:10
Choose from 4 QTc formulas Bug fixes
App price

Price history by region

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Availability 172 of 172 storefronts

RegionLanguagePriceRatingsAvgVersion
US en-USUSD 1.9962.33.10.0
AU en-AUAUD 2.9924.53.10.0
GB en-GBGBP 1.9925.03.10.0
IN en-GBINR 19922.53.10.0
RU ruRUB 19923.03.10.0
CN zh-Hans-CNCNY 1511.03.10.0
CO es-MXCOP 990015.03.10.0
GR en-GBEUR 1.9915.03.10.0
MX es-MXMXN 3915.03.10.0
NL nlEUR 1.9915.03.10.0
PH en-GBPHP 12915.03.10.0
PL en-GBPLN 9.9915.03.10.0
TR en-GBTRY 99.9911.03.10.0
AE en-GBAED 7.990—3.10.0
AF en-GBUSD 1.990—3.10.0
AG en-GBUSD 1.990—3.10.0
AI en-GBUSD 1.990—3.10.0
AL en-GBUSD 1.990—3.10.0
AM en-GBUSD 1.990—3.10.0
AO en-GBUSD 1.990—3.10.0
AR es-MXUSD 1.990—3.10.0
AT de-DEEUR 1.990—3.10.0
AZ en-GBUSD 1.990—3.10.0
BA en-GBEUR 1.990—3.10.0
BB en-GBUSD 1.990—3.10.0
BE en-GBEUR 1.990—3.10.0
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VU en-GBUSD 1.990—3.10.0
XK en-GBEUR 1.990—3.10.0
YE en-GBUSD 1.990—3.10.0
ZA en-GBZAR 39.990—3.10.0
ZM en-GBUSD 1.990—3.10.0
ZW en-GBUSD 1.990—3.10.0

Change log 30 changes · US

✎
releaseNotes updated
Support Liquid Glass
✎
description updated
EP Calipers provides electronic calipers to measure intervals on images of electrocardiograms (ECGs) or electrophysiologic recordings. Doctors, nurses and medi
✎
subtitle updated
Electronic calipers
✎
name updated
EP Calipers
▣
App icon changed
◆
Version 3.10.0 released
Support Liquid Glass
◆
Version 3.9.0 released
Added support for upcoming iOS 26. Use native iOS color picker.
◆
Version 3.8.3 released
Fix a problem with color selection.
◆
Version 3.8.2 released
Add delete caliper to long press menu.
◆
Version 3.8.0 released
Prevent negative heart rates (bpm)
◆
Version 3.7.1 released
Bug fix
◆
Version 3.7.0 released
Use Apple Pencil on iPad to annotate ECGs Bug fixes
◆
Version 3.6.2 released
Fix problems with navigation bar and toolbar colors in iOS 15
◆
Version 3.6.1 released
Bug fixes
◆
Version 3.6 released
Import images from Files app (iOS 14+) Save screen snapshots
◆
Version 3.5 released
Calipers maintain position relative to underlying image with scroll, zoom, and rotation New icons
◆
Version 3.4 released
Warn if calibration units are missing or not valid.
◆
Version 3.3 released
Fix dark background of PDFs when in dark mode
◆
Version 3.2 released
Dark mode
◆
Version 3.1.1 released
Fix missing French translation of settings.
◆
Version 3.1 released
Bug fixes
◆
Version 3.0 released
New easier user interface Other improvements
◆
Version 2.15 released
Change caliper text position Caliper text can automatically reposition itself so as not to be obscured
◆
Version 2.14 released
Bug fixes
◆
Version 2.13 released
Russian translation and bug fixes
◆
Version 2.12 released
Do multiple QTc measurements with the same RR interval Some notch-related fixes for iPhone X
◆
Version 2.11.1 released
Bug fixes
◆
Version 2.11 released
Marching calipers to march out P waves or assess rhythm regularity
◆
Version 2.10 released
Fix truncated toolbar button labels in small phones using iOS 11
◆
Version 2.9 released
Choose from 4 QTc formulas Bug fixes
expanded screenshot