# CoordCalc vs GPS Anti Spoof Pro

The clearest difference is price: CoordCalc at $2.99 against GPS Anti Spoof Pro's $19.99. CoordCalc also leads on update cadence (monthly vs every 5 months). GPS Anti Spoof Pro's advantage is review sentiment (100% vs 55%) and rating (5.0 vs 3.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

CoordCalc costs $2.99 and GPS Anti Spoof Pro $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GPS Anti Spoof Pro holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 55% of CoordCalc's written reviews are positive against 100% of GPS Anti Spoof Pro's.

CoordCalc ships an update monthly, GPS Anti Spoof Pro every 5 months. The most recent releases landed on November 10, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | CoordCalc | GPS Anti Spoof Pro |
| --- | --- | --- |
| Price | **$2.99** | $19.99 |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/coordcalc/id308502516/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/gps-anti-spoof-pro/id1379926231/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | 55.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#101** |
| Size | 18 MB | 12 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Justin Time](https://appshunter.io/developer/308502519) | [Frank Reed](https://appshunter.io/developer/1379926230) |

## What reviewers say

### CoordCalc

[App page](https://appshunter.io/ios/app/coordcalc/id308502516)

Calculate distances and bearings between two points on Earth using manual coordinates or an interactive map. Convert coordinates between various formats and find your current location with GPS. Useful for navigation, measuring distances, and marking points of interest.

**Highlights:** Calculate distance and bearing between two points, Manual coordinate input (lat/lon), Interactive map for point selection, Convert coordinates between formats, Use GPS for current location, Save previous positions, Send coordinate messages to other users

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

**In-app purchases:** none


### GPS Anti Spoof Pro

[App page](https://appshunter.io/ios/app/gps-anti-spoof-pro/id1379926231)

**Currently charting:** #101 Top Paid · Navigation (US App Store)

Instantly compare observed celestial navigation altitudes with calculated ones. This app helps mariners detect GPS spoofing and functions as a celestial navigation trainer. It automatically includes all necessary corrections for accurate readings.

**Highlights:** Celestial altitude comparison, GPS spoofing detection, Celestial navigation trainer, Automatic correction calculations, Offline functionality, Sun, Moon, planet, and star data

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

**In-app purchases:** none


## Frequently asked questions

### Is CoordCalc free?

CoordCalc costs $2.99, with no in-app purchases.

### Is GPS Anti Spoof Pro free?

GPS Anti Spoof Pro costs $19.99, with no in-app purchases.

### Which has better reviews, CoordCalc or GPS Anti Spoof Pro?

GPS Anti Spoof Pro is rated higher. CoordCalc averages 3.0 out of 5 from 4 ratings, while GPS Anti Spoof Pro averages 5.0 from 7 ratings.

### Do CoordCalc or GPS Anti Spoof Pro have ads?

Neither CoordCalc nor GPS Anti Spoof Pro shows ads.

### Which is updated more often, CoordCalc or GPS Anti Spoof Pro?

CoordCalc ships an update monthly, and GPS Anti Spoof Pro every 5 months. Most recently, CoordCalc was updated on November 10, 2026 and GPS Anti Spoof Pro on November 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.*