Comparison

Underwave Training vs SoundBreathing

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

Head to head

Underwave Training

Underwave Breath Like a Pro

Binaural immersive experience

Free

💪 Health & Fitness

No ratingsView app →

About

Underwave Training

Features

Read full description

Train breathing, breath holds, and mental control with the Underwave Method — trusted by elite ocean athletes.

About

SoundBreathing

Features

Read full description

What makes it special? A sound mixing technique that allows the listener to feel surrounded by sound and experience an instant sense of escape and well-being. This feeling is enhanced by original, evolving musical creations as well as sound and visual atmospheres drawn directly from the beautiful island of Martinique. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://soundbreathing.goodbarber.app/docs/privacy_policy.html

Screenshots

Underwave Training4 screens

SoundBreathing4 screens

Verdict

The call

The clearest difference is in-app purchases: Underwave Training at none against SoundBreathing's 2. Underwave Training also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 7 months). On price 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. SoundBreathing sells 2 in-app purchases, starting at $1.99 per month. Underwave Training asks for nothing beyond the download.

UpkeepUpdate frequency

Underwave Training ships an update every 3 weeks, SoundBreathing every 7 months. Both last shipped on October 25, 2026.

Scorecard4 real differences · 2 level

Underwave Training versus SoundBreathing: the parameters behind the verdict, then further details
Parameter	Underwave Training	SoundBreathing
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 7 months
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0 — better	15.0
Further details — not scored
Size	30 MB	45 MB
Age rating	4+	17+
Developer	Augusto Carrara	SYNAPPS Mobile

In-app purchases

None

Underwave Training

No in-app purchases

2 purchases

SoundBreathing

Subscriptions2

Breather1 Month trial$1.991 Month
Annual breather1 Month trial$24.901 Year

Questions

Is Underwave Training free?

Underwave Training is free to download, with no in-app purchases.

Is SoundBreathing free?

SoundBreathing is free to download, with in-app purchases available.

Do Underwave Training or SoundBreathing have ads?

SoundBreathing shows ads; Underwave Training does not.

Which is updated more often, Underwave Training or SoundBreathing?

Underwave Training ships an update every 3 weeks, and SoundBreathing every 7 months. Most recently, Underwave Training was updated on October 25, 2026 and SoundBreathing on October 25, 2026.