Dive Helper

Dive Helper brings dive planning and logging together in one app. Calculate air consumption, check gas mixtures, plan decompression, keep a logbook, and save your notes. Features - Air consumption calculator with multi-stage dive profiles - Gas mixture and partial pressure calculations - Decompression planner based on Bühlmann ZH-L16C with adjustable gradient factors - Visual dive profiles, decompression stop schedules, and gas consumption calculations - Logbook with groups, dive details, and depth charts - Map and coordinates of dive locations - Notes and quick lists — always at hand - Customizable units of measurement and interface language Decompression Planning Open the online planner directly in the app. Set your dive depth and time, adjust gas mixtures and decompression parameters, and explore charts and calculation results. The planner uses https://dive.admin-tmsk.ru and requires an internet connection. Why Dive Helper - Clear interface and fast data entry - Easy-to-read charts and calculation results - Local data storage: saved logs, notes, and core calculators are available offline - iCloud sync for access across devices with Dive Helper Pro Subscriptions Dive Helper offers optional auto-renewable subscriptions that unlock premium features: - Monthly Subscription — $3.99 per month - Annual Subscription — $24.99 per year Payment will be charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple ID account settings. One-Time Purchase - Lifetime Access — $34.99, one-time payment The one-time purchase provides permanent access to premium features and does not renew. Important Dive Helper is a supporting tool for dive planning and logging. The app and its decompression calculations do not replace professional training, certification, or a dive computer and do not guarantee a safe dive. Privacy Policy: https://dungeon-mobile.com/dive-helper/privacy.html Terms of Use: https://dungeon-mobile.com/dive-helper/termsofuser.html