Comparison

synappro breathe vs Scull.fit

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

Head to head
About

synappro breathe

This guided breathing app uses science-based techniques and engaging visuals to help you improve your well-being. Track your progress, customize sessions, and sync data across devices. It offers a free download with an optional one-time upgrade for enhanced features.

Highlights
  • Science-based breathing cycles
  • Engaging animated visuals
  • Mood and consistency tracking
  • Customizable session settings
  • iCloud sync across devices
  • Apple Health integration
Features
Read full description

synappro breathe is a guided breathing app based on high-quality published research. We believe that if you breathe better, you live better. Developed with a medical doctor, synappro® is an independent, award-winning wellbeing company that values affordability, scientific integrity, and data privacy. INNOVATIVE DESIGN — Beautiful, state-of-the-art breathing visuals keep your mind engaged while you focus on your breath — 300 animated air particles move in and out as you inhale and exhale — Randomised movements ensure the animation is never exactly the same — Perfect for those who get distracted easily and need something stimulating to watch AFFORDABLE AND ACCESSIBLE — Free to download and fully functional — No subscriptions. No advertisements. — Optional one-time upgrade to synappro plus — synappro plus unlocks additional custom cycles, colour themes, app icons and all future updates DATA SECURE AND CONFIDENTIAL — No login required — No personal data collected TRACK YOUR PROGRESS — Log your mood after each session to see how breathing affects how you feel — Consistency tracker motivates you to establish a breathing habit — View your total minutes breathed and sessions completed over time — Breathing history syncs automatically across all your devices using iCloud CUSTOMISE YOUR BREATHING SESSIONS — Optional voice narration (human voice, not AI) — Optional haptic feedback with two vibration patterns — Display time remaining, cycles remaining, or no counters at all — Choose between regular animation (300 dots) or a gentle animation (1 large dot) BREATHING CYCLES — 3 pre-programmed breathing cycles based on published research — Create one custom breathing cycle for free — Unlock unlimited custom cycles with the optional synappro plus upgrade — Each stage (inhale, hold, exhale, hold) can last up to 60 seconds REPETITION SLIDER — Innovative repetition slider on the Home page allows you to select a repetition number from 1 to 100 MULTIPLE DEVICES — Fully functional on iPhone and iPad — Sync cycles and activity history automatically between devices using iCloud THEMES — Light mode, dark mode, or system setting — Choose between multiple colours and app icons with the optional synappro plus upgrade SCIENCE-BASED — We are 100% transparent about the research used in this app — All scientific claims are backed by cited research sources — In-app informational page answers common questions about mindful breathing APPLE HEALTH SYNC — Record your sessions as Mindful Minutes in Apple Health — Optional and fully private - synappro cannot access your Health data

About

Scull.fit

Read full description

No external account or customer/personal data is stored by Scull.fit. All data is currently stored on the user's device and the device only. Scull.fit turns your Concept2 PM5 into a smart coach. Connect via Bluetooth and get real-time metrics, technique feedback, and guided workouts — all on your iPhone. LIVE METRICS See pace, watts, stroke rate, heart rate, calories, and distance update in real time. Tap any metric to maximise it. Long-press to set a target — the tile flashes green when you're on pace, red when you're off. TECHNIQUE BADGES Five badges track the quality of your rowing, not just the output: • Stroke Power — watts per stroke • Rhythm — drive-to-recovery ratio • Force Curve — force effectiveness through the drive • Consistency — stroke rate variation • Cardio Power — watts per heartbeat (with HR monitor) Each badge levels up from 1 to 3 during your row. Hit Level 3 and a celebration flash fires across the screen. HYROX MODE A dedicated 1000m row with guided coaching cues. Scull.fit tells you when to get on pace, when to drive, when to settle, and when to sprint the final 100m. Pace targets are set automatically as you row. INTERVALS Build any interval workout — fixed distance or fixed time, with configurable rest periods. Set a different pace target per interval. Save your favourites as presets for one-tap access. CHASE YOUR PBs Finished a great row? Swipe to Chase it. Scull.fit loads your previous targets and shows a pace boat so you can race yourself. STATS & SCORES Track your progress across six performance dimensions: Power, Efficiency, Technique, Consistency, Endurance, and Cardio. Spider charts and trend lines show how you're improving over time. SPLITS & CHARTS Every workout saves detailed splits, pace curves, stroke rate graphs, watts charts, and heart rate data. Tap any chart to view it full-screen with pinch-to-zoom. CONCEPT2 LOGBOOK Sync your workouts with the official Concept2 Online Logbook to keep your lifetime metres up to date. WORKS WITH • Concept2 RowErg (PM5) • Concept2 BikeErg (PM5) • Concept2 SkiErg (PM5) • Any Bluetooth heart rate monitor Scull.fit is built by rowers, for rowers. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://scull.fit/privacy.html

Screenshots

synappro breathe4 screens
Scull.fit4 screens

Verdict

The call

The clearest difference is in-app purchases: Scull.fit at none against synappro breathe's 1. Scull.fit also leads on iOS requirement (16.0 vs 26.0). synappro breathe's advantage is device support. On price 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. synappro breathe sells 1 one-off in-app purchase. Scull.fit asks for nothing beyond the download.

Scorecard3 real differences · 7 level
synappro breathe versus Scull.fit: the parameters behind the verdict, then further details
Parametersynappro breatheScull.fit
PriceFreeFree
Rating4.7 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 weeks—
AdsNo—
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — better—
Requires iOS26.016.0 — better
Further details — not scored
Size185 MB7 MB
Age rating4+4+
DevelopersynapproScatterLab (Pty) Ltd

In-app purchases

1 purchases

synappro breathe

One-time1
  • synappro plus$3.99
None

Scull.fit

No in-app purchases

Questions

Is synappro breathe free?
synappro breathe is free to download, with in-app purchases available.
Is Scull.fit free?
Scull.fit is free to download, with no in-app purchases.

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