Comparison

ChainFlow vs Run/Walk Interval Training

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ChainFlow

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.

Highlights
  • Custom interval chaining
  • Adjustable work/rest times per interval
  • Clear audio cues
  • Hands-free operation
  • Screen-off functionality
  • Routine saving
  • Dark interface
Features
Read full description

A custom interval timer for routines where every interval can be different. Most workout timers are built around repeating the same work and rest periods. ChainFlow lets you build the exact sequence you need, with individual timing for every step. Create HIIT workouts, circuit training sessions, stretching and mobility routines, boxing rounds, exercise sequences, drawing practice, focus sessions, and more. BUILD ANY ROUTINE Add as many intervals as you need. Give each one its own name and timing, then drag them into the exact order you want. START FAST WITH TEMPLATES Begin with ready-made HIIT, Tabata, Boxing, Morning Mobility, Pomodoro, and Gesture Drawing templates—or start completely from scratch. Every template becomes a normal ChainFlow routine you can fully edit. HANDS-FREE TIMING Hit Start and focus on what you're doing instead of watching the clock. ChainFlow automatically moves through your sequence and gives you clear audio cues at each transition. • Works while your phone is locked or ChainFlow is in the background • Live Activities and Dynamic Island support • See your current interval and what comes next • Pause, skip forward, or return to the previous interval • Optional 3-2-1 countdown before starting • Works alongside music, podcasts, and other audio • Optional audio ducking during cues BUILD ONCE. USE IT AGAIN. Save your favorite routines, duplicate individual intervals or entire chains, reorder them anytime, and quickly adjust a routine for your next session. ChainFlow works especially well when your routine doesn't fit a rigid repeating timer: • Custom interval workouts • Circuit training • HIIT and Tabata • Stretching and mobility • Boxing and round training • Exercise and strength training • Yoga and meditation sequences • Gesture and figure drawing practice • Pomodoro and focus sessions Whether you're training, stretching, drawing, studying, or building a routine of your own, ChainFlow keeps the timing out of your head so you can stay in the flow.

About

Run/Walk Interval Training

This app provides a customizable timer for interval training, guiding users through custom run and walk durations with visual and audio cues. Track your progress with workout history and enjoy a clean, intuitive interface designed for focused fitness sessions.

Highlights
  • Customizable run/walk durations
  • Adjustable number of intervals
  • Visual and audio feedback
  • Pause and resume functionality
  • Workout history tracking
  • Color-coded phases
  • Dark mode support
Features
Read full description

Perfect Your Interval Training Run/Walk Interval Training is a simple, intuitive app designed for runners and walkers who want to customize their interval training sessions. Whether you're training for a race, improving your fitness, or just want a structured workout, this app guides you through every step. Key Features: Customizable Intervals - Set your run and walk durations from 0.5 to 10 minutes each - Choose the number of intervals (1-20) to match your fitness level - Automatic time estimation so you know exactly how long your workout will take Smart Timer - Visual and audio feedback for every phase transition - Clear countdown timer showing time remaining - Progress bar tracking your completed intervals - Pause and resume functionality - perfect for unexpected stops Audio & Haptic Feedback - Voice announcements tell you when to run and walk - Haptic vibrations ensure you never miss a transition, even when your phone is in your pocket - System sounds provide additional audio cues Workout History - Track all your past workouts with dates and settings - Quickly reload previous workout configurations - See your progress over time Beautiful Design - Clean, modern interface that's easy to use - Color-coded phases: Red for run, Blue for walk - Dark mode support - Smooth animations and transitions Perfect For: - Couch to 5K runners - Interval training enthusiasts - Walkers looking to add running intervals - Anyone who wants structured workout guidance Why Choose Run/Walk Interval Training? Unlike complex fitness apps with overwhelming features, Run/Walk Interval Training focuses on one thing: helping you complete your interval training sessions. The app works seamlessly in the background, so you can lock your phone and still receive audio and haptic feedback. No complicated setup, no unnecessary features - just a reliable timer that helps you achieve your fitness goals. Start your interval training journey today!

Screenshots

ChainFlow4 screens
Run/Walk Interval Training3 screens

Verdict

The call

The clearest difference is in-app purchases: Run/Walk Interval Training at none against ChainFlow's 1. Run/Walk Interval Training also leads on update cadence (every 3 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ChainFlow sells 1 one-off in-app purchase. Run/Walk Interval Training asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for ChainFlow against 5.0 for Run/Walk Interval Training. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

ChainFlow ships an update every 2 months, Run/Walk Interval Training every 3 days. The most recent releases landed on September 3, 2026 and September 8, 2026 respectively.

Scorecard3 real differences · 7 level
ChainFlow versus Run/Walk Interval Training: the parameters behind the verdict, then further details
ParameterChainFlowRun/Walk Interval Training
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size22 MB1 MB
Age rating4+4+
DeveloperMichael Ebako-HodgsonJordan George

Customer experience

ChainFlow

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Run/Walk Interval Training

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

ChainFlow

One-time1
  • ChainFlow Pro$4.99
None

Run/Walk Interval Training

No in-app purchases

Questions

Is ChainFlow free?
ChainFlow is free to download, with in-app purchases available.
Is Run/Walk Interval Training free?
Run/Walk Interval Training is free to download, with no in-app purchases.
Which has better reviews, ChainFlow or Run/Walk Interval Training?
ChainFlow and Run/Walk Interval Training are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do ChainFlow or Run/Walk Interval Training have ads?
Neither ChainFlow nor Run/Walk Interval Training shows ads.
Which is updated more often, ChainFlow or Run/Walk Interval Training?
ChainFlow ships an update every 2 months, and Run/Walk Interval Training every 3 days. Most recently, ChainFlow was updated on September 3, 2026 and Run/Walk Interval Training on September 8, 2026.

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