# nDeco vs Dje Trainer

The clearest difference is update cadence: Dje Trainer at fortnightly against nDeco's every 7 months. Dje Trainer also leads on iOS requirement (15.6 vs 17.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

nDeco ships an update every 7 months, Dje Trainer fortnightly. The most recent releases landed on June 3, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | nDeco | Dje Trainer |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 73 MB | 180 MB |
| Requires iOS | 17.2 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eyal Vardi](https://appshunter.io/developer/988684101) | [AZEOO](https://appshunter.io/developer/1119479803) |

## 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


### Dje Trainer

[App page](https://appshunter.io/ios/app/dje-trainer/id6749849448)

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

**In-app purchases:** none


## Frequently asked questions

### Is nDeco free?

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

### Is Dje Trainer free?

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

### Do nDeco or Dje Trainer have ads?

Neither nDeco nor Dje Trainer shows ads.

### Which is updated more often, nDeco or Dje Trainer?

nDeco ships an update every 7 months, and Dje Trainer fortnightly. Most recently, nDeco was updated on June 3, 2026 and Dje Trainer on September 9, 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.*