About MultiDeco
A dive decompression calculator for technical scuba divers. MultiDeco presents the VPM and ZHL-16 decompression model and includes VPM-B, VPM-B/E, ZHL model versions and ZHL-16 + GF. The diver can specify any combination...
A dive decompression calculator for technical scuba divers. MultiDeco presents the VPM and ZHL-16 decompression model and includes VPM-B, VPM-B/E, ZHL model versions and ZHL-16 + GF. The diver can specify any combination of nitrox or trimix, and as many deco gases as required. Planning methods include both OC and Closed Circuit Rebreather. It includes planning for bailouts with SCR and OC legs in a CCR plan. Includes details of ppO2, END, and gas consumptions. This program includes many of the features from the desktop version such as conservatism adjustments, extended stops, adjustable last stops, the planning monitor system and extensive control over many other planning features. Also included is a set of dive planning tools for calculating best mix, maximum operating depth (MOD), END, EAD and other planning considerations. The Mixer utility for blending nitrox and trimix, is included too.
Version History Updated for iOS 26 changes. 1.110 May 4 Further updates for iOS26. 1.109 11/11/2025 Updated again for iOS26. 1.108 11/07/2025 Update for iOS26. 1.107 10/27/2025 Updated for iOS 26 1.106 10/24/2025 Update for iPad bailout planning behaviour. 1.105 10/17/2024 Bug fixes, new languages 1.104 08/13/2024 Minor bugs and update for latest iOS spec. 1.103 07/28/2024 update for iOS versions 1.102 01/04/2024 Update CCR bail screen and fractional tank sizes. 1.101 01/14/2023 Improved bailout and maxtime planning and general tidy up. 1.99 06/13/2022 Improved bailout and maxtime planning and general tidy up. 1.98 06/11/2022 updated for latest iOS 1.97 02/19/2022 Update for iOS versions 1.96 03/03/2021 Update for newest iOS version 1.95 02/27/2021 minor issue fixes 1.94 02/23/2021 minor update for text 1.93 09/29/2019 minor update 1.92 09/28/2019 Added gas density calculator. 1.91 01/31/2019 Added gas density calculator. 1.90 01/29/2019 Updated for iOS v11+ 1.89 01/09/2019 Max time planning, iPad split screen, tidy up. 1.88 07/03/2017 Max time planning, iPad split screen, tidy up. 1.87 06/29/2017 Max time planning, iPad split screen, tidy up. 1.86 06/23/2017 CCR bailout options - extra time setting 1.85 06/28/2016
Previous Versions
Here you can find the changelog of MultiDeco since it was posted on our website on 2016-10-03 18:27:31.
The latest version is 1.110 and it was updated on 2026-06-21 11:44:43. See below the changes in each version.
MultiDeco version 1.110
Updated At: 2026-05-26
Changes: Version History Updated for iOS 26 changes. 1.110 May 4 Further updates for iOS26. 1.109 11/11/2025 Updated again for iOS26. 1.108 11/07/2025 Update for iOS26. 1.107 10/27/2025 Updated for iOS 26 1.106 10/24/2025 Update for iPad bailout planning behaviour. 1.105 10/17/2024 Bug fixes, new languages 1.104 08/13/2024 Minor bugs and update for latest iOS spec. 1.103 07/28/2024 update for iOS versions 1.102 01/04/2024 Update CCR bail screen and fractional tank sizes. 1.101 01/14/2023 Improved bailout and maxtime planning and general tidy up. 1.99 06/13/2022 Improved bailout and maxtime planning and general tidy up. 1.98 06/11/2022 updated for latest iOS 1.97 02/19/2022 Update for iOS versions 1.96 03/03/2021 Update for newest iOS version 1.95 02/27/2021 minor issue fixes 1.94 02/23/2021 minor update for text 1.93 09/29/2019 minor update 1.92 09/28/2019 Added gas density calculator. 1.91 01/31/2019 Added gas density calculator. 1.90 01/29/2019 Updated for iOS v11+ 1.89 01/09/2019 Max time planning, iPad split screen, tidy up. 1.88 07/03/2017 Max time planning, iPad split screen, tidy up. 1.87 06/29/2017 Max time planning, iPad split screen, tidy up. 1.86 06/23/2017 CCR bailout options - extra time setting 1.85 06/28/2016
MultiDeco version 1.109
Updated At: 2025-11-11
Changes: Further updates for iOS26.
MultiDeco version 1.105
Updated At: 2024-10-17
Changes: Oct 17, 2024
Version 1.105
Update for iPad bailout planning behaviour.
MultiDeco version 1.104
Updated At: 2024-08-13
Changes: Aug 13, 2024
Version 1.104
Bug fixes, new languages
MultiDeco version 1.103
Updated At: 2024-07-28
Changes: Jul 28, 2024
Version 1.103
Minor bugs and update for latest iOS spec.
MultiDeco version 1.102
Updated At: 2024-01-04
Changes: Jan 4, 2024
Version 1.102
update for iOS versions
MultiDeco version 1.101
Updated At: 2023-01-14
Changes: Jan 14, 2023
Version 1.101
Update CCR bail screen and fractional tank sizes.
MultiDeco version 1.85
Updated At: 2014-03-17
Disclaimer
Official App Store Link
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