Comparison

Universal Breathing vs TrainOS

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

Head to head
About

Universal Breathing

This app guides you through proper breathing techniques to improve your health and well-being. Learn to breathe diaphragmatically for 15 minutes daily to reduce stress, improve sleep, and enhance athletic performance.

Highlights
  • Diaphragmatic breathing training
  • Guided breathing courses
  • Customizable breathing ratios
  • Body and dial animations
  • Multiple sound settings
  • Beginner to advanced levels
Features
Read full description

Build a breathing practice you can return to—one guided breath at a time. Universal Breathing combines traditional pranayama structure with clear visual and musical cues. Choose a guided course, return to a saved custom session, or shape a new practice around your own pace. GUIDED BREATHING • Follow inhale, retain, exhale, and sustain phases with animated visual cues • Use musical guidance to keep the rhythm without watching the screen • Choose a session length that fits your routine A COURSE THAT BUILDS GRADUALLY • Begin with approachable ratios • Progress through beginner, intermediate, and advanced lessons • Review in-app breathing guidance and safety notes before you practice MAKE THE PRACTICE YOURS • Adjust inhale, retention, exhale, and sustain timing • Link multiple breathing patterns in one custom session • Save custom sessions for quick access SOUND AND SCENERY • Choose from five guidance sounds: Nature, Classical, Ambient, Vedic, and Serenity • Select an animated visual background with matching background audio • Adjust guidance and background volumes separately USE SOUNDS FOR DIFFERENT PRACTICES • Keep one guidance sound for bedtime • Choose another for calming and stress relief • Use a third for focused breath training Using each sound consistently can help it become a familiar cue for that routine over time. PREMIUM • Unlock all premium breathing lessons • Access every premium theme • Enjoy an ad-free experience Premium is available through optional auto-renewing subscriptions. Available plans and localized pricing are shown before purchase. PRIVACY AND TERMS Privacy Policy: https://saagara.com/privacy/ Terms of Use: https://saagara.com/terms/ Universal Breathing is a wellness and breath-training tool. It is not a medical device and does not provide medical advice, diagnosis, or treatment. Practice seated or lying down, stop if you feel unwell, and consult a qualified health professional before beginning if you have a relevant health condition or concern. Made by Saagara.

About

TrainOS

This platform connects Brazilian Jiu-Jitsu academies with their students. It offers class booking, attendance tracking, progress monitoring, and community features for members, alongside powerful tools for instructors and owners to manage curriculum, promotions, and analytics.

Highlights
  • Instant class booking and availability
  • Personalized check-in options
  • Training progress tracking with heatmaps
  • Belt promotion journey visualization
  • Community feed for members
  • AI assistant for academy owners
  • Real-time class roster management
Features
Read full description

TrainOS is the all-in-one platform for Brazilian Jiu-Jitsu academies. Two experiences, one platform — a powerful admin dashboard for owners and a beautiful mobile app for members. FOR STUDENTS - Book classes instantly and see availability at a glance - Check in with a personal code or touchless kiosk - Track your training with heatmaps, streaks, and attendance stats - Follow your belt promotion journey from white to black - Connect with training partners in the community feed - Manage your subscription and switch plans without contacting the front desk - Shop academy gear in the built-in store FOR INSTRUCTORS - Plan curriculum and visualize knowledge distribution across positions - Propose belt promotions with detailed notes and readiness tracking - View student analytics — training heatmaps, streaks, and competition records - Manage class rosters and check-ins in real-time FOR ACADEMY OWNERS - AI assistant for instant answers on attendance trends, revenue, and scheduling - Full member management with belt ranks, subscriptions, and engagement tracking - Push announcements to every member's phone in seconds - Sell gis, apparel, and gear through the built-in store - Connect Stripe or Square for automatic billing and flexible membership plans TrainOS brings your entire academy online — from check-ins and scheduling to community and commerce. Set up in minutes, not months.

Screenshots

Universal Breathing4 screens
TrainOS4 screens

Verdict

The call

The clearest difference is rating: TrainOS at 5.0 against Universal Breathing's 3.6. TrainOS also leads on review sentiment (100% vs 60%) and in-app purchases (none vs 2). Universal Breathing's advantage is ratings volume (41 vs 1). On price, update cadence, monetization model and device support 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. Universal Breathing sells 2 in-app purchases, starting at $1.99 per month. TrainOS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TrainOS holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Universal Breathing has 41 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 60% of Universal Breathing's written reviews are positive against 100% of TrainOS's.

UpkeepUpdate frequency

Universal Breathing ships an update every 6 weeks, TrainOS every 3 weeks. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

Scorecard5 real differences · 5 level
Universal Breathing versus TrainOS: the parameters behind the verdict, then further details
ParameterUniversal BreathingTrainOS
PriceFreeFree
Rating3.6 (41 ratings)5.0 (1 ratings) — better
Positive reviews60.4% of reviews100.0% of reviews — better
Number of ratings41 — better1
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size131 MB90 MB
Age rating12+4+
DeveloperSaagaraSourish Agarwal

Customer experience

Universal Breathing

All ratings40 ratings
Positive60.0%
Neutral7.5%
Negative32.5%
Written reviews111 reviews
Positive60.4%
Neutral9.0%
Negative30.6%

TrainOS

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

Bugs and requests

Universal Breathing

Reported bugs

15 issues
  • Sound stopped working
  • No sound on iPhone
  • Audio bug requires phone restart
  • Customization button not working
  • Paid version only works for beginner level
Show 10 more
  • App doesn't open or stay open
  • Contact form closed
  • App may not work correctly with current iOS version
  • Music/chimes won't play on iPad/iPhone
  • Volume not working
  • Pie chart and menu not showing on press play screen
  • Upgrade problem
  • Sound disappeared
  • App keeps popping up on its own
  • Screen must remain on for app to run

Requested features

8 requests
  • More free options
  • Update the app
  • Improve user-friendliness
  • Clarify calendar/timetable numbers
  • More customization for retention/exhale
Show 3 more
  • Allow background audio playback
  • More distinction in color palette for visually impaired
  • Increase session time limit for free version

TrainOS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Universal Breathing

Subscriptions2
  • Universal Breathing Monthly$1.991 Month
  • Universal Breathing Annual$14.991 Year
None

TrainOS

No in-app purchases

Questions

Is Universal Breathing free?
Universal Breathing is free to download, with in-app purchases available.
Is TrainOS free?
TrainOS is free to download, with no in-app purchases.
Which has better reviews, Universal Breathing or TrainOS?
TrainOS is rated higher. Universal Breathing averages 3.6 out of 5 from 41 ratings, while TrainOS averages 5.0 from 1 ratings.
Do Universal Breathing or TrainOS have ads?
Universal Breathing shows ads; TrainOS does not.
Which is updated more often, Universal Breathing or TrainOS?
Universal Breathing ships an update every 6 weeks, and TrainOS every 3 weeks. Most recently, Universal Breathing was updated on October 22, 2026 and TrainOS on October 6, 2026.

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