# nDeco vs Dive Wise App

The clearest difference is in-app purchases: nDeco at none against Dive Wise App's 1. Dive Wise App's advantage is update cadence (every 4 days vs every 7 months) and iOS requirement (15.0 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. Dive Wise App sells 1 in-app purchase, starting at $2.99 per month. nDeco asks for nothing beyond the download.

nDeco ships an update every 7 months, Dive Wise App every 4 days. The most recent releases landed on September 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | nDeco | Dive Wise App |
| --- | --- | --- |
| 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 | **Every 4 days** |
| Monetization | Free | — |
| Size | 73 MB | 51 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eyal Vardi](https://appshunter.io/developer/988684101) | [Don Wise](https://appshunter.io/developer/1697267457) |

## 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


### Dive Wise App

[App page](https://appshunter.io/ios/app/dive-wise-app/id6785124704)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dive Wise Pro | $2.99 | per month |


## Frequently asked questions

### Is nDeco free?

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

### Is Dive Wise App free?

Dive Wise App is free to download, with in-app purchases available.

### Do nDeco or Dive Wise App have ads?

Neither nDeco nor Dive Wise App shows ads.

### Which is updated more often, nDeco or Dive Wise App?

nDeco ships an update every 7 months, and Dive Wise App every 4 days. Most recently, nDeco was updated on September 27, 2026 and Dive Wise App on October 1, 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.*