# Decosoft — Dive safe, dive with Decosoft

> Tech diving planner with decompression models and dive calculators. (iPhone/iPad app by Michael Czolko.)

- Source: https://appshunter.io/ios/app/decosoft/id6453846218 (this page in markdown: same URL + `.md`)
- Developer: [Michael Czolko](https://appshunter.io/developer/674555865)
- Category: Sports
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 39 MB
- Languages: American English
- Released: 2023-09-22
- Data updated: 2026-07-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/decosoft/id6453846218/reviews.md

## What is Decosoft?

Meet Decosoft - your tech diving planner in your pocket. Benefit from a variety of features that help you compose the best dive plan. Easily prepare for your adventure ahead so you can enjoy every dive to the fullest.

Main features:
- User-friendly interface, designed to simplify dive planning
- Bühlmann decompression model with gradient factors
- Advanced dive settings
- Detailed runtime table with graph, gas consumption and more dive details
- Easy lost-gas preview of the dive plan
- Support for Open Circuit (OC) and Closed Circuit Rebreathers (CCR)
- Repetitive dives
- Save tanks and plans for further use
- Share your dives with others

Diving calculators included:
- Maximum bottom time
- SAC - Surface air consumption
- MOD - Maximum operational depth
- END - Equivalent narcotic depth
- EAD - Equivalent air depth
- Best mix for depth
- Gas blending

Dive safely, dive with Decosoft. Try today!

## Key features

- User-friendly dive planning interface
- Bühlmann decompression model
- Detailed runtime table with graphs
- Support for OC and CCR
- Multiple dive calculators
- Save and share dive plans

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Annual Partners | $39.99 | per year |
| Monthly Partner | $3.99 | per month |
| Ultimate | $39.99 | per year |
| Monthly | $3.99 | per month |
| Ultimate Offer | $39.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Ultimate | $23.99 | one-time |
| Ultimate | $20.99 | one-time |
| Ultimate | $29.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/decosoft/id6453846218/reviews.md

### 5/5 — Perfect planner

*2026-04-20*

Has all the settings needed for any level of diver to plan safe dives. It allows you to plan consecutive dives with your surface interval.

## Frequently asked questions about Decosoft

### What is Decosoft?

Decosoft is a tech diving planner designed to help users compose the best dive plans. It features a user-friendly interface, Bühlmann decompression model, and various dive calculators.

### What dive calculators are included in Decosoft?

Decosoft includes calculators for maximum bottom time, SAC, MOD, END, EAD, best mix for depth, and gas blending.

### Does Decosoft support rebreathers?

Yes, Decosoft supports both Open Circuit (OC) and Closed Circuit Rebreathers (CCR), allowing for comprehensive planning for various diving setups.

### Can I save and share my dive plans with Decosoft?

Yes, you can save tanks and plans for future use and share your dives with others, facilitating collaboration and review.

### What are the subscription options for Decosoft?

Decosoft offers monthly subscriptions starting at $3.99 with free trial periods, and annual subscriptions for $39.99, also with free trials.

### How often is Decosoft updated?

The app was last updated on June 22, 2026, indicating a recent and active development cycle. Version 6.8.4 was released at that time.

### What devices is Decosoft compatible with?

Decosoft is available for iPhone, iPad, and iPod, making it accessible to a wide range of Apple users.

### What is the age rating for Decosoft?

Decosoft has an age rating of 4+, making it suitable for a broad audience interested in dive planning.

## Version history (last 5 releases)

### 6.9.2 — 2026-07-14

Enhanced translations in settings.

### 6.9.1 — 2026-07-13

* Added a confirmation dialog when leaving the Settings screen with unsaved changes.
* Improved gas blending validation to prevent creating unrealistic gas mixtures.

### 6.9.0 — 2026-07-09

- Complete rework of gas blending
- Increased SAC in settings from 50 to 80
- Gas switch duration in settings has minimum of 1 minute

### 6.8.4 — 2026-06-22

Overall screen update.

### 6.8.3 — 2026-05-28

Fix best mix calculation and enable/disable tanks bug

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| [Nitrox Virtual Analyzer](https://appshunter.io/ios/app/nitrox-virtual-analyzer/id1505174941) | — | Free | Sports |
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## More apps by Michael Czolko

- [EANx](https://appshunter.io/ios/app/eanx/id6505006854)

All apps by Michael Czolko: https://appshunter.io/developer/674555865

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*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 2026-07-24.*