This app provides a sanctuary for mental well-being, offering guided exercises, mood tracking, and an AI companion. It helps users manage emotions, build healthier habits, and gain insights into their mental state through science-backed techniques.






249+ iOS apps curated and reviewed
The best omna journal apps on iPhone average 1.9★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.8★ (235) | No | Yes | Aug 2026 | |
| 2 | Free | — | No | No | May 2026 | |
| 3 | Free | — | No | Yes | Aug 2026 | |
| 4 | Free | — | No | Yes | Aug 2026 | |
| 5 | Free | — | — | No | Jul 2026 | |
| 6 | Free | 1.0★ (1) | No | No | May 2026 | |
| 7 | Free | 1.0★ (2) | No | Yes | May 2026 | |
| 8 | Free | 1.0★ (3) | No | No | Jul 2026 |






This app provides a sanctuary for mental well-being, offering guided exercises, mood tracking, and an AI companion. It helps users manage emotions, build healthier habits, and gain insights into their mental state through science-backed techniques.











This app provides professional marine navigation with official ENC charts and real-time weather data. It offers advanced instrument displays, alerts for restricted areas and fishing closures, and route planning capabilities for safe and informed voyages.




This app provides a comprehensive guide to over 100 essential knots for everyday use, outdoor activities, and emergency situations. It features clear, step-by-step instructions and illustrations to help users learn how to tie various knots.


Practice making VHF radio calls for various maritime situations, including distress, urgency, and securite. Includes phonetic alphabet drills with sample boat names to improve communication skills at sea.


Access your offshore training certifications and records online. Search for training providers by location and stay updated with industry news. Requires internet connectivity for full functionality.


Access OSHA-compliant crane hand signals instantly. View graphical representations of each command for quick and easy reference by operators.




This app serves as a digital dive log, allowing divers to meticulously record their underwater adventures. It features interactive maps to track explored locations and integrates with specific hardware to automatically capture dive site coordinates. Designed for simplicity and reliability, it helps divers organize records and plan future dives.




This app enhances boating experiences by providing real-time vessel data, trip planning tools, and maintenance tracking. It acts as a digital hub for managing your boat's performance, fuel, and safety, even without a direct module connection.




Access digital training materials, certifications, and a digital logbook for various diving disciplines. Track dive progress, manage gear, and earn ratings. Connect with dive centers and stay updated on industry news and events.


Confirm your diver or freediver status online and save electronic certificates offline. This app offers a free log-book and No-decompression limit planner, along with the latest news from the National Dive League. Professionals can also manage certificates and access the NDL Professional Zone.


Learn essential CPR and first aid skills at your own pace with independent study materials, followed by hands-on training with an instructor. This app helps you gain proficiency in emergency care, meeting occupational health and safety requirements.


This medical application works exclusively with the MolecuLight i:X device to capture wound images and videos. It aids clinicians in identifying bacterial presence and accurately measuring wound dimensions. The app also facilitates integration with electronic medical records and offers on-device interpretation resources.




Calculate the approximate remaining oxygen in portable cylinders. Select your tank size, input current pressure and desired flow rate to see duration in minutes. Features a timer with alerts for low pressure.