ChainFlow: Interval Timer
Custom Workout & Circuit
About
Create highly customized interval timers for any routine, from HIIT workouts to study sessions. Set unique work and rest periods for each segment, with clear audio cues and a distraction-free interface. Save your routines for easy access and hands-free operation.
What's New in ChainFlow
3
September 2, 2026
A major ChainFlow reliability and usability update. • More reliable timing while your phone is locked or the app is in the background • New HIIT, Tabata, Boxing, Morning Mobility, Pomodoro, and Gesture Drawing templates • Improved audio cues with Bell, Gong, Beep, Soft Chime, and Double Beep • New option to lower other audio during timer cues • See what's coming next while a chain is running • Skip forward or return to the previous interval • Duplicate intervals and entire chains • Undo accidental deletes • Optional 3-2-1 start countdown • Clearer chain-complete feedback Plus additional fixes and polish based on early user feedback.
MoreIn-App Purchases
$4.99
ChainFlow Pro
Unlock unlimited links, cloud sync & premium themes.
FAQ
What is ChainFlow?
ChainFlow is an interval timer designed for routines where each interval can be different. It allows users to chain together multiple intervals, each with its own setup, work duration, and alert time, offering flexibility beyond standard Tabata timers.
What types of routines is ChainFlow suitable for?
ChainFlow is perfect for HIIT and Tabata training, circuit training, boxing rounds with varying times, stretching, mobility, yoga flows, physical therapy intervals, and focus/study blocks like Pomodoro.
Can I save my custom routines in ChainFlow?
Yes, ChainFlow allows you to save your created routines. This means you can easily pick up where you left off without needing to re-enter your custom interval settings each time.
Does ChainFlow offer audio cues for transitions?
Yes, ChainFlow provides clear audio cues. It uses soft beeps for transitions between intervals and a distinct alarm when a routine finishes, ensuring you stay on track without needing to constantly watch the screen.
Is ChainFlow free to use?
ChainFlow is free to use for its core functionality. An upgrade to Pro is available for unlimited routine creation and cloud synchronization across multiple devices.
What devices does ChainFlow support?
ChainFlow is available for iOS devices, specifically supporting iPhones and iPads.
How often is ChainFlow updated?
The latest version of ChainFlow is 2.1, and it was last updated on July 4, 2026. This indicates a recent update, suggesting ongoing development and support.
Does ChainFlow require an account to start using it?
No, ChainFlow does not require an account to start using its features. It offers a clean, dark interface with no clutter and allows you to begin timing your routines immediately.
