# Fonata: Ocean Log — Log Dives & Improve Breathing

> Log Dives & Improve Breathing (iPhone/iPad app by Dat Nguyen Duc.)

- Source: https://appshunter.io/ios/app/fonata-ocean-log/id6760089283 (this page in markdown: same URL + `.md`)
- Developer: [Dat Nguyen Duc](https://appshunter.io/developer/1882587110)
- Category: Utilities, Photo & Video
- Price: Free
- Age rating: 9+
- Requires: iOS 14.0 · 22 MB
- Languages: American English
- Released: 2026-03-06
- Data updated: 2026-06-12
- User reviews in markdown: https://appshunter.io/ios/app/fonata-ocean-log/id6760089283/reviews.md

## What is Fonata?

Fonata: Ocean Log – Record, Train, and Relive Your Diving Moments

Easily record every dive with detailed information about depth, time, and location. Capture and preserve your underwater experiences through photos and videos.

The app also provides specialized *CO₂ and O₂ breathing exercises* designed for divers to improve breath-hold capacity and tolerance to low oxygen levels. Track your training progress, set goals, and develop your skills safely.

Key Features
1. Dive Log Recording
Record detailed information for each dive:

 * Dive location
 * Dive duration
 * Maximum depth
 * Personal notes
 *Photos, videos, or live recording during the dive
2. CO₂ & O₂ Breathing Training*
Practice breathing exercises designed for freediving and breath control:

 * Structured CO₂ and O₂ training sessions
 * Track your progress over time
 * Improve breath-hold performance safely
3. Dive Memories & Highlights
Relive your diving adventures:

 * Review past dives easily
 * Create highlight reels from photos and videos taken during your dives
 *Automatically add background music for a cinematic memory


## Version history (last 2 releases)

### 2.0 — 2026-06-04

- AdMob ad integration
- Bug fix
- New features have been added

### 1.0 — 2026-03-07

No release notes.

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-12.*