# DecoPlanner mobile vs Weights Check

The clearest difference is update cadence: Weights Check at every 3 days against DecoPlanner mobile's every 2 months. DecoPlanner mobile's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

DecoPlanner mobile ships an update every 2 months, Weights Check every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | DecoPlanner mobile | Weights Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weights-check-dive-weighting/id6806640499/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 74 MB | 10 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Global Underwater Explorers Inc.](https://appshunter.io/developer/1459213336) | [RUSTAM ISMAILOV](https://appshunter.io/developer/6799582362) |

## What reviewers say

### DecoPlanner mobile

[App page](https://appshunter.io/ios/app/decoplanner-mobile/id1580563324)

Plan complex dive profiles using advanced decompression models. Track multiple gases, manage dive buddies, and visualize dive data with detailed graphs. Choose the version that suits your diving certification level.

**Highlights:** Open/Closed/Passive Semi-Closed Circuit planning, ZH-L16 / VPM-B decompression models, Gas tracking for multiple gases and dive buddies, Gas mixing (partial pressure & continuous blending), Dive profile and tissue compartment graphs, Diving level selection (Rec 1 to Unlimited CCR)

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

**In-app purchases:** none


### Weights Check

[App page](https://appshunter.io/ios/app/weights-check-dive-weighting/id6806640499)

This app helps divers meticulously plan their lead requirements and buoyancy for dives. It allows users to build and save custom dive rigs with their own gear, then simulate and record actual dive conditions to refine future dives. It serves as a digital logbook for dive weighting and buoyancy, moving beyond memory to data-driven planning.

**Highlights:** Build custom dive rigs with personal gear, Simulate dive conditions and buoyancy, Record actual dive weighting and performance, Digital library of dive equipment, Visualize balance at stop and depth, Itemized rig breakdown

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

**In-app purchases:** none


## Frequently asked questions

### Is DecoPlanner mobile free?

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

### Is Weights Check free?

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

### Do DecoPlanner mobile or Weights Check have ads?

Neither DecoPlanner mobile nor Weights Check shows ads.

### Which is updated more often, DecoPlanner mobile or Weights Check?

DecoPlanner mobile ships an update every 2 months, and Weights Check every 3 days. Most recently, DecoPlanner mobile was updated on October 24, 2026 and Weights Check on October 24, 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.*