# StackDX Maps vs ProChart Mobile

StackDX Maps and ProChart Mobile are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

StackDX Maps ships an update fortnightly, ProChart Mobile every 3 weeks. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | StackDX Maps | ProChart Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 31 MB | 99 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Petro Niche Technology Ltd.](https://appshunter.io/developer/1208288817) | [Critical Control](https://appshunter.io/developer/1370280574) |

## What reviewers say

### StackDX Maps

[App page](https://appshunter.io/ios/app/stackdx-maps/id1208288818)

An interactive map application for North American oil and gas professionals. It allows users to find and visualize well data, pipelines, facilities, and mineral rights. The tool is designed for both field and office use, offering easy navigation and access to essential industry assets.

**Highlights:** Interactive map interface, Search well data by UWI or license number, Visualize wells, pipelines, and facilities, Explore mineral rights and surface dispositions, Navigate to O&G asset locations, Access public datasets

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

**In-app purchases:** none


### ProChart Mobile

[App page](https://appshunter.io/ios/app/prochart-mobile/id1614226968)

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

**In-app purchases:** none


## Frequently asked questions

### Is StackDX Maps free?

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

### Is ProChart Mobile free?

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

### Do StackDX Maps or ProChart Mobile have ads?

Neither StackDX Maps nor ProChart Mobile shows ads.

### Which is updated more often, StackDX Maps or ProChart Mobile?

StackDX Maps ships an update fortnightly, and ProChart Mobile every 3 weeks. Most recently, StackDX Maps was updated on September 10, 2026 and ProChart Mobile on September 14, 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.*