# Decosoft vs ServiceDeco

The clearest difference is iOS requirement: Decosoft at 16.4 against ServiceDeco's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Decosoft sells 8 in-app purchases, starting at $3.99 per month and ServiceDeco sells 2 in-app purchases, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

Decosoft ships an update every 2 weeks, ServiceDeco fortnightly. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Decosoft | ServiceDeco |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 14 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Czolko](https://appshunter.io/developer/674555865) | [Perpetio OU](https://appshunter.io/developer/1465591634) |

## What reviewers say

### Decosoft

[App page](https://appshunter.io/ios/app/decosoft/id6453846218)

Plan your dives with this comprehensive tech diving tool. It offers a user-friendly interface, advanced decompression models, and various dive calculators to ensure safe and enjoyable underwater adventures. Save, share, and prepare for every dive with detailed insights.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Partner | $3.99 | per month |
| Monthly | $3.99 | per month |
| Annual Partners | $39.99 | per year |
| Ultimate | $39.99 | per year |
| Ultimate Offer | $39.99 | per year |
| Ultimate | $20.99 | one-time |
| Ultimate | $23.99 | one-time |
| Ultimate | $29.99 | one-time |


### ServiceDeco

[App page](https://appshunter.io/ios/app/servicedeco-dive-gear-service/id6777115227)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $39.99 | per year |
| Lifetime Access | $99.99 | one-time |


## Frequently asked questions

### Is Decosoft free?

Decosoft is free to download, with in-app purchases available.

### Is ServiceDeco free?

ServiceDeco is free to download, with in-app purchases available.

### Do Decosoft or ServiceDeco have ads?

Neither Decosoft nor ServiceDeco shows ads.

### Which is updated more often, Decosoft or ServiceDeco?

Decosoft ships an update every 2 weeks, and ServiceDeco fortnightly. Most recently, Decosoft was updated on November 3, 2026 and ServiceDeco on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*