# Decosoft vs BlendJunk

The clearest difference is price: Decosoft at Free against BlendJunk's $3.99. BlendJunk's advantage is in-app purchases (none vs 8). On update cadence, ads, device support and iOS requirement there is nothing between them.

Decosoft is free to download; BlendJunk costs $3.99 up front. Decosoft sells 8 in-app purchases, starting at $3.99 per month. BlendJunk asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Decosoft | BlendJunk |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 31 MB |
| Requires iOS | 16.4 | **16.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Decosoft s.r.o.](https://appshunter.io/developer/674555865) | [Rogier Visser](https://appshunter.io/developer/672667764) |

## 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 |


### BlendJunk

[App page](https://appshunter.io/ios/app/blendjunk/id6761421435)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decosoft free?

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

### Is BlendJunk free?

BlendJunk costs $3.99, with no in-app purchases.

### Do Decosoft or BlendJunk have ads?

Neither Decosoft nor BlendJunk shows ads.

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

Decosoft ships an update every 2 weeks, and BlendJunk every 2 weeks. Most recently, Decosoft was updated on September 21, 2026 and BlendJunk on September 13, 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.*