247+ iOS apps curated and reviewed
The best co2 table apps on iPhone average 4.9★ across 247+ 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 | — | No | Yes | Jul 2026 |
| 2 |  | Free | 4.9★ (62) | No | No | Jul 2026 |
| 3 |  | Free | 4.8★ (116) | No | Yes | Aug 2026 |
| 4 |  | $3.99 | 5.0★ (2) | No | No | Aug 2026 |
| 5 |  | Free | 4.9★ (9) | Yes | Yes | May 2026 |
| 6 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | — | No | No | May 2026 |
This app offers a comprehensive system for freediving and spearfishing training, focusing on improving breath-hold, awareness, and relaxation. It provides a variety of exercises with detailed instructions and expert guidance to suit all experience levels.
This app offers a variety of breathing exercises to improve lung health, athletic performance, and freediving skills. It provides personalized training plans that adapt to your goals and progress, with options for CO2, O2, Square, and Rectangle tables.
This app offers daily breathwork training for freedivers, scuba divers, and individuals seeking better breath control. It features five core exercises, from beginner techniques to advanced apnea tables, all designed for safe, dry-land practice.
Enhance your underwater endurance and performance with this training app. It utilizes proven CO2 and O2 tables, along with box breathing techniques, to help you master your breath-hold. Ideal for freedivers, swimmers, and military personnel.
Prepare for freediving training sessions with guided breathing and breath-hold exercises. Customize preparation, breathhold, and recovery times for effective O2 or CO2 tolerance training.
Calculate the climate impact of your meals and track your food's carbon footprint. Discover sustainable recipes, plan low-carbon meals, and join a community dedicated to fighting climate change through food choices.
Enhance your breath-holding capabilities with personalized training plans and proven apnea techniques. Track progress, stay focused with guided sessions, and receive reminders to maintain consistency. Ideal for freedivers and athletes seeking to improve stamina.
Calculate the carbon dioxide output of your flights by entering your departure and arrival cities. Understand the environmental impact of your travel and make more responsible decisions to help protect the planet.
