RoundFlow: Interval Timer

Contains adsIn-app purchases
Content rating
Everyone
10+
Downloads
Content rating
Everyone
In-App Purchases
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About this app

Train without rebuilding your timer every session.

RoundFlow is a smart interval timer for HIIT, boxing, cardio intervals, Tabata, strength training, stretching and custom workouts.

SMART TRAINING
Choose your workout type, total duration and intensity. RoundFlow builds the work and rest structure for you.

FLOW MODE
Chain saved timers into one continuous workout. Go from HIIT to stretching — or cardio to strength to stretching — without stopping to build another timer.

MANUAL TIMER
Want full control? Build your own rounds, work periods, rests and multi-block sessions.

FREE
• Manual Timer
• Smart Training
• Save a limited number of sessions

PRO LIFETIME
• One-time purchase — no subscription
• No ads
• Unlimited saved manual timers
• Unlimited saved smart timers
• Unlimited blocks per timer
• Flow Mode

RoundFlow keeps your workout structure simple so you can focus on training.

Build less. Train more.
Smart interval timer for HIIT, boxing, cardio, strength and custom workouts.
Updated on
Oct 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

First public release of RoundFlow.
Smart Training, Flow Mode and Manual Timer for customizable interval workouts.