Comparison

Interval Flow vs Breathe Sync

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

Head to head
About

Interval Flow

Read full description

Have you wanted to set the same timers over and over again but find it tedious and cumbersome? We did too so we built Interval Flow! With Interval Flow, you can easily set multiple timers that will ring one after the other, guiding you seamlessly through your activities. Transition effortlessly from one activity to another, whether it's your breathing exercises, stretching sessions, or any other tasks you have in mind. Interval Flow let's you create multiple programs tailored to your specific needs and preferences (watchOS 10+). With just a few taps on your Apple Watch, you can effortlessly switch between programs and enjoy a seamless flow of activities, staying focused and productive. Interval Flow ensures that your Apple Watch becomes a smart partner, helping you stay on track without any distractions. So, the question is, why settle for a standard timer when you can elevate your Apple Watch experience with Interval Flow? It's a game-changer for anyone who values their time and wants to make the most of every minute.

About

Breathe Sync

This app offers guided breathing exercises to promote relaxation and stress relief. It features customizable patterns, visual cues, and optional voice guidance to suit individual needs. Perfect for daily mindfulness and improving sleep.

Highlights
  • Personalized breathing patterns
  • Customizable inhale/hold/exhale durations
  • Calming visual interface with themes
  • Optional voice guidance
  • Visual breathing animation
  • Flexible session control
  • Custom pattern creation
Features
Read full description

**Breathe Sync - Your Personal Breathing Coach** Find your calm with Breathe Sync, an intuitive breathing exercise app designed to help you relax and recharge. Whether you're new to breathing exercises or an experienced practitioner, Breathe Sync offers a customizable experience that adapts to your needs. Key Features: - Personalized breathing patterns with custom inhale, hold, and exhale duration's - Beautiful, calming visual interface with 5 aesthetic themes (Cool Blue, Warm Yellow, Calm Green, Gentle Purple, and Sunset Orange) - Optional voice guidance with multiple voice options, including Tibetan Bell sounds - Visual breathing animation that guides your practice - Flexible session control with 1-8 breathing cycles per session - Unique "trial mode" to create your own custom breathing pattern - Simple one-tap start and intuitive controls - Pattern memory that saves your preferences Perfect for: - Daily relaxation practice - Stress management - Pre-sleep ritual - Meditation preparation - Quick anxiety relief - Mindfulness exercises The app features a clean, minimalist design with a pulsing circle that guides your breathing rhythm. With Breathe Sync, you can start with the proven 4-7-8 breathing pattern or create your own custom sequence that works best for you.

Screenshots

Breathe Sync4 screens

Verdict

The call

The clearest difference is in-app purchases: Breathe Sync at none against Interval Flow's 1. Breathe Sync also leads on iOS requirement (13.0 vs 15.6). Interval Flow's advantage is update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Interval Flow sells 1 one-off in-app purchase. Breathe Sync asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Flow ships an update every 2 weeks, Breathe Sync monthly. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

Scorecard3 real differences ยท 5 level
Interval Flow versus Breathe Sync: the parameters behind the verdict, then further details
ParameterInterval FlowBreathe Sync
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 2 weeks โ€” betterMonthly
AdsNoNo
In-app purchasesYesNo โ€” better
Monetizationโ€”Free
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS15.613.0 โ€” better
Further details โ€” not scored
Size8 MB8 MB
Age rating4+4+
DeveloperTegyaanTESS SERVICES PTY LTD

In-app purchases

1 purchases

Interval Flow

One-time1
  • Multiple Programs$3.99
None

Breathe Sync

No in-app purchases

Questions

Is Interval Flow free?
Interval Flow is free to download, with in-app purchases available.
Is Breathe Sync free?
Breathe Sync is free to download, with no in-app purchases.
Do Interval Flow or Breathe Sync have ads?
Neither Interval Flow nor Breathe Sync shows ads.
Which is updated more often, Interval Flow or Breathe Sync?
Interval Flow ships an update every 2 weeks, and Breathe Sync monthly. Most recently, Interval Flow was updated on September 23, 2026 and Breathe Sync on September 26, 2026.

Other comparisons