# GPS2Quantum vs Shturman

The clearest difference is monetization model: Shturman at free with in-app purchases against GPS2Quantum's subscription. Shturman also leads on update cadence (every 3 days vs weekly). GPS2Quantum's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. GPS2Quantum sells 2 in-app purchases, starting at $4.99 per month and Shturman sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

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

GPS2Quantum ships an update weekly, Shturman every 3 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | GPS2Quantum | Shturman |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/gps2quantum/id6749025502/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/shturman-navigation-and-alerts/id6820983206/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 58 MB | 25 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Thomas Gillan](https://appshunter.io/developer/1828513781) | [Oleksandr Atamanskyi](https://appshunter.io/developer/6792659178) |

## What reviewers say

### 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 |


### Shturman

[App page](https://appshunter.io/ios/app/shturman-navigation-and-alerts/id6820983206)

This navigation app uses motion sensors to keep you on track when GPS signals are lost or spoofed. It offers offline maps, shelter locations, and blackout points, with features for both car and walking navigation. Receive air-raid alerts and find essential services without an internet connection.

**Highlights:** Dead reckoning navigation when GPS is unavailable, Offline maps of Ukraine, Nearest shelter finder, Blackout layer for essential services, Air-raid alerts, Trip history with GPS deviation data, Siri integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shturman | $0.99 | per month |


## Frequently asked questions

### Is GPS2Quantum free?

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

### Is Shturman free?

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

### Which has better reviews, GPS2Quantum or Shturman?

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

### Do GPS2Quantum or Shturman have ads?

Neither GPS2Quantum nor Shturman shows ads.

### Which is updated more often, GPS2Quantum or Shturman?

GPS2Quantum ships an update weekly, and Shturman every 3 days. Most recently, GPS2Quantum was updated on October 30, 2026 and Shturman on November 6, 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.*