# WMM 2025 vs GPS2Quantum

The clearest difference is price: GPS2Quantum at Free against WMM 2025's $0.99. GPS2Quantum also leads on update cadence (weekly vs every 24 months). WMM 2025's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.1). On rating, ratings volume, ads and device support there is nothing between them.

GPS2Quantum is free to download; WMM 2025 costs $0.99 up front. GPS2Quantum sells 2 in-app purchases, starting at $4.99 per month. WMM 2025 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for WMM 2025 against 5.0 for GPS2Quantum. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

WMM 2025 ships an update every 24 months, GPS2Quantum weekly. The most recent releases landed on September 12, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | WMM 2025 | GPS2Quantum |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/wmm-2025/id1667328548/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gps2quantum/id6749025502/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Weekly** |
| Monetization | **Paid** | Subscription |
| Size | 1 MB | 58 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Robert Walker](https://appshunter.io/developer/299475042) | [Thomas Gillan](https://appshunter.io/developer/1828513781) |

## What reviewers say

### WMM 2025

[App page](https://appshunter.io/ios/app/wmm-2025/id1667328548)

This navigation app calculates magnetic declination and inclination for any location on Earth. It's useful for pilots, sailors, cartographers, and anyone using maps and compasses to plot courses. The model is accurate from 2024 to 2029.

**Highlights:** Magnetic declination calculation, Magnetic inclination calculation, Accurate for 2024-2029, Declination trend over time, Supports various navigation professionals

**Features:** Apple Watch app

**In-app purchases:** none


### GPS2Quantum

[App page](https://appshunter.io/ios/app/gps2quantum/id6749025502)

This app transforms real-time GPS coordinates into quantum spherical coordinates, visualizing your position as a state vector on a Bloch sphere. Explore two modes: real-world tracking or superposition with a chosen origin. Analyze sessions with AI and export data for further study.

**Highlights:** Real-time GPS to quantum coordinates, Bloch sphere visualization, Superposition mode with custom origin, AI session analysis, Session logging and CSV export, Adjustable sensor degradation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GPS2Quantum Pro (Monthly) | $4.99 | per month |
| GPS2Quantum Pro (Annual) | $26.49 | per year |


## Frequently asked questions

### Is WMM 2025 free?

WMM 2025 costs $0.99, with no in-app purchases.

### Is GPS2Quantum free?

GPS2Quantum is free to download, with in-app purchases available.

### Which has better reviews, WMM 2025 or GPS2Quantum?

WMM 2025 and GPS2Quantum are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do WMM 2025 or GPS2Quantum have ads?

Neither WMM 2025 nor GPS2Quantum shows ads.

### Which is updated more often, WMM 2025 or GPS2Quantum?

WMM 2025 ships an update every 24 months, and GPS2Quantum weekly. Most recently, WMM 2025 was updated on September 12, 2026 and GPS2Quantum on August 11, 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.*