# Hold breath longer underwater — Apnea freediving trainings app > iPhone app for improving breath-holding duration with CO2 and O2 training tables. (iPhone/iPad app by Philipp Baldauf.) - Source: https://appshunter.io/ios/app/hold-breath-longer-underwater/id1155913669 (this page in markdown: same URL + `.md`) - Developer: [Philipp Baldauf](https://appshunter.io/developer/613102952) - Category: Sports, Health & Fitness - Price: $1.99 - Rating: 5.00/5 from 1 App Store ratings · 3 written reviews indexed - Age rating: 17+ - Requires: iOS 10.0 · 8 MB - Languages: American English, German (Germany) - Released: 2016-10-06 - Data updated: 2026-09-04 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/hold-breath-longer-underwater/id1155913669/reviews.md ## What is Hold breath longer underwater? Have you ever had a vacation near the ocean where you wished you could hold your breath just a little longer to discover the wonders of the underwater world? "Hold your breath" is an iPhone exclusive training app that helps you to prolong the duration of your breath holding. The app features the two most known training methods. The first are Co2 tables that enhance your tolerance regarding Co2 levels in your blood. The second are O2 tables which help extending your maximum breath hold time. WARNING: Never train alone! You should always have someone next to you that knows that you are training and understands the risk involved. Never train more than one session per day! Also do not train more than two times a week. Stop the training immediately when you feel uncomfortable. Do not under any circumstances provide a wrong maximum breath hold time. This is used to calculate the suggested session times. Consult with your doctor before starting to train. The training can lead to blackouts, loss of motor control (LMC), serious and irreparable damages to the respiratory system, serious and irreparable damages to the brain, other serious health damage or death. DISCLAIMER: The showed times are only suggestions that do not guarantee any training success. Any training session suggested by the app has to be carefully reviewed by a professional prior to training. ## Key features - CO2 training tables - O2 training tables - Extended breath-holding duration - iPhone exclusive - Training session suggestions ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/hold-breath-longer-underwater/id1155913669/reviews.md ### 5/5 — ? *2021-11-10* Please clarify: round - holding breath , pause - breath normally? ### 4/5 — Where is the instructions? *2021-02-21* Maybe it’s not a bad App, but I still don’t understand how to use it! ### 1/5 — Poor value for money *2018-03-28* No vibration or voice prompts, both tables start without a rest period. This app has little to offer and is a waste of money. There are better apps which are free. ## Frequently asked questions about Hold breath longer underwater ### What is Hold breath longer underwater? Hold breath longer underwater is an iPhone-exclusive training app designed to help users prolong their breath-holding duration. It utilizes two primary training methods: CO2 tables to enhance CO2 tolerance and O2 tables to extend maximum breath-hold time. ### How much does Hold breath longer underwater cost? Hold breath longer underwater is a paid application, available for a one-time purchase of $1.99. There are no in-app purchases or subscriptions required. ### What devices is Hold breath longer underwater compatible with? Hold breath longer underwater is exclusively available for Apple devices, including the iPhone, iPad, and iPod. It is not available on Android or other platforms. ### What is the age rating for Hold breath longer underwater? Hold breath longer underwater has an age rating of 17+. This is due to the serious health risks associated with breath-hold training, which the app's description clearly outlines. ### How often is Hold breath longer underwater updated? The app was last updated on November 4, 2025, indicating recent development and maintenance. The current version is 2.0.1, first released on October 6, 2016. ### Does Hold breath longer underwater have ads? No, Hold breath longer underwater does not contain advertisements. As a paid application, it offers an uninterrupted user experience without any ad interruptions. ### What safety precautions should I take when using Hold breath longer underwater? The app strongly advises never to train alone, always have someone aware of your training, and consult a doctor before starting. It also warns against overtraining and emphasizes stopping immediately if feeling uncomfortable due to potential health risks. ### Can Hold breath longer underwater guarantee training success? The app's disclaimer states that the suggested training times are only suggestions and do not guarantee any training success. Any session suggested by the app should be carefully reviewed by a professional prior to training. ## Version history (last 4 releases) ### 2.0.1 — 2025-11-04 Liquid glass update ### 2.0 — 2020-05-13 If you have ever wished you could hold your breath just a little longer, to dive to the bottom of the sea, this app is just for you. ### 1.0.1 — 2016-10-14 Fixed wording issue ### 1.0 — 2016-10-06 No release notes. ## Apps similar to Hold breath longer underwater | App | Rating | Price | Category | | --- | --- | --- | --- | | [Equestrian World](https://appshunter.io/ios/app/equestrian-world/id6758134021) | 4.9 (12) | Free | Sports | | [Stamina Apnea Trainer Freedive](https://appshunter.io/ios/app/stamina-apnea-trainer-freedive/id6737737437) | — | Free | Sports | | [Apnea Tables Freediving Coach](https://appshunter.io/ios/app/apnea-tables-freediving-coach/id1116159086) | 3.9 (16) | $3.99 | Sports | | [Fishven Uri](https://appshunter.io/ios/app/fishven-uri/id1614476991) | — | Free | Sports | | [Go-Kart Telemetry](https://appshunter.io/ios/app/go-kart-telemetry/id6756797114) | — | Free | Sports | | [FD Static Trainer](https://appshunter.io/ios/app/fd-static-trainer/id1498886666) | 5.0 (2) | Free | Sports | ## More apps by Philipp Baldauf - [Rally Co-Pilot - Classic TSD](https://appshunter.io/ios/app/rally-co-pilot-classic-tsd/id911024623) - [ABCDEF Keyboard Custom layout](https://appshunter.io/ios/app/abcdef-keyboard-custom-layout/id1465367757) - [Nature Meditation Sounds](https://appshunter.io/ios/app/nature-meditation-sounds/id1506616111) - [The Anchors: Marine navigation](https://appshunter.io/ios/app/the-anchors-marine-navigation/id1519597938) - [Binge Drink: Control Alcohol](https://appshunter.io/ios/app/binge-drink-control-alcohol/id1523170012) All apps by Philipp Baldauf: https://appshunter.io/developer/613102952 ## Related topics [underwater breath](https://appshunter.io/ios/topics/underwater-breath) --- *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 2026-09-04.*