Holter Log
Symptom Diary & PDF Reports
About
Easily record symptoms, activities, and other events during a Holter monitor study. Log entries quickly from your iPhone or Apple Watch to create a detailed diary that matches your monitor data, simplifying your medical handoff.
What's New in Holter Log
2.0(96)
September 21, 2026
Holter Log 2.0 is a major update focused on making the app easier to use for patients around the world. • Support for 49 in-app languages • Improved automatic and manual language selection • Searchable language picker • Improved Apple Watch companion reliability • Refined diary and timeline experience • Improved PDF report generation and presentation • General reliability, localization and interface improvements Holter Log remains a patient-entered diary and does not read, analyze or interpret ECG or Holter monitor data.
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FAQ
What is Holter Log used for?
Holter Log is designed to help you keep a clear and fast event diary during a Holter monitor study. It allows you to log symptoms, activities, and other events as they happen, making it easier to compare with your monitor data later.
How much does Holter Log cost?
Holter Log is a paid application, priced at $0.99. This one-time purchase grants you access to all its features for tracking your Holter monitor study events.
What devices is Holter Log compatible with?
Holter Log is available for iPhone, iPad, and Apple Watch. This allows for flexible logging and review of your events across your Apple ecosystem.
Does Holter Log provide medical advice?
No, Holter Log does not read your monitor data or provide any medical advice. It serves as a tool for you to record events, which can then be shared with your healthcare provider.
How often is Holter Log updated?
The latest version of Holter Log is 1.0.5, last updated on April 29, 2026. While specific update frequency isn't detailed, the app has received updates since its release on April 7, 2026.
Can I add custom events to Holter Log?
Yes, Holter Log allows you to add custom 'Other' entries when the preset options for symptoms, activity, drinks, sleep, and bathroom events are not sufficient.
What is the age rating for Holter Log?
Holter Log has an age rating of 4+. This indicates it is suitable for a wide range of users, including children, for its simple event logging functionality.
How can I export my logs from Holter Log?
You can export, share, copy, and print selected logs from Holter Log. This feature is helpful for preparing a cleaner handoff for your clinic or cardiology visit.
