Everything I could have hoped for!
This is the exact app I would have built if I was making a workout tracker for myself.
Free
About
This app offers a fast and private way to log workouts, track progress, and plan training sessions. It allows customization of exercise fields, supports supersets, and includes a built-in exercise library. Users can also leverage AI to generate workout plans and integrate with Apple Health for readiness summaries.
✓Customizable exercise logging
✓Supersets and rest timers
✓AI-powered workout planning
✓Apple Health integration
✓Local-first data storage
✓JSON export/import
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What's New in Iron Diary
1.3.0
October 8, 2026
Programs, rebuilt around AI • Create a Program with AI is now two clear steps: set your plan with quick picks — days, weeks, session length, goal, equipment — or start from a preset, then copy one prompt for ChatGPT, Claude, or any AI. • New Advanced mode: copy the import format, your exercise library, and your full training history separately, and ask in your own words. • Choose recent workouts by the last month, 3 months, or 12 months, and add any other equipment you have. Your choices are saved for next time. • Every import now opens a review screen first, so you see exactly what will be added before anything is saved. • "On Deck" is now Programs: tap a workout to view it, start the next one in one tap, or revise a program with AI. • Planned workouts show on the Diary for their date. Clearer explanations • New Tempo and RPE explainers, with worked examples and a video. • Help & FAQ, a step-by-step AI program guide, and how your estimated 1RM is calculated, all linked from inside the app. Plus lots of smaller fixes and polish.
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FAQ
Does Iron Diary have ads?
No, Iron Diary is completely ad-free. The app emphasizes a distraction-free logging experience and explicitly states 'no ads' in its description.
What devices does Iron Diary support?
Currently, Iron Diary is supported on iPhone devices. It was released on July 3, 2026, with version 1.0.
How does Iron Diary handle user data privacy?
Iron Diary prioritizes user privacy with a local-first approach, meaning your training history is stored on your device. No account is required, and the developer states they never sell user data.
Can I export my workout data from Iron Diary?
Yes, Iron Diary offers full JSON export and import capabilities. This allows you to back up your training data and move it between devices or platforms as needed.
What is the age rating for Iron Diary?
Iron Diary has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger individuals interested in fitness tracking.
How often is Iron Diary updated?
The latest version of Iron Diary, 1.0, was released on July 3, 2026, alongside its initial release. Further update frequency is not specified but the app is actively maintained.
Can Iron Diary help me plan workouts using AI?
Yes, Iron Diary features an AI workout planner. It can generate a ready-to-paste prompt for large language models like ChatGPT or Claude, which you can then import directly into your training queue.
Does Iron Diary integrate with Apple Health?
Yes, Iron Diary integrates with Apple Health. It allows you to view your workouts from Apple Health alongside your diary entries and provides a daily readiness summary based on HRV, resting heart rate, and sleep data.
