# nDeco vs FreeRange Dryfire

The clearest difference is in-app purchases: nDeco at none against FreeRange Dryfire's 1. nDeco also leads on iOS requirement (17.2 vs 26.5). FreeRange Dryfire's advantage is update cadence (weekly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. FreeRange Dryfire sells 1 one-off in-app purchase. nDeco asks for nothing beyond the download.

nDeco ships an update every 7 months, FreeRange Dryfire weekly. The most recent releases landed on September 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | nDeco | FreeRange Dryfire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ndeco/id6741527911/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free | — |
| Size | 73 MB | 7 MB |
| Requires iOS | **17.2** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eyal Vardi](https://appshunter.io/developer/988684101) | [ByteCollective LLC](https://appshunter.io/developer/6794150367) |

## What reviewers say

### nDeco

[App page](https://appshunter.io/ios/app/ndeco/id6741527911)

Plan multi-segment dives with ease using U.S. Navy and Bühlmann decompression models. Get instant dive information, depth limit guidance, and surface interval recommendations for safe underwater adventures.

**Highlights:** Multi-segment dive planning, U.S. Navy & Bühlmann decompression models, Depth limit guidance, Instant dive information, Surface interval recommendations, Metric/imperial unit flexibility

**Features:** macOS Compatibility

**In-app purchases:** none


### FreeRange Dryfire

[App page](https://appshunter.io/ios/app/freerange-dryfire/id6794150365)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FreeRange Dryfire | $19.99 | one-time |


## Frequently asked questions

### Is nDeco free?

nDeco is free to download, with no in-app purchases.

### Is FreeRange Dryfire free?

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

### Do nDeco or FreeRange Dryfire have ads?

Neither nDeco nor FreeRange Dryfire shows ads.

### Which is updated more often, nDeco or FreeRange Dryfire?

nDeco ships an update every 7 months, and FreeRange Dryfire weekly. Most recently, nDeco was updated on September 27, 2026 and FreeRange Dryfire on October 29, 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.*