# Cellr vs GPS Test Satellite Tracker

Cellr and GPS Test Satellite Tracker both sit at 3.4 stars, but that hides the real split: 50% of GPS Test Satellite Tracker's written reviews are positive against 0% of Cellr's. Cellr's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (10 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Cellr sells 5 in-app purchases, starting at $2.99 per 7 days and GPS Test Satellite Tracker sells 3 in-app purchases, starting at $8.99 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 — 3.4 for Cellr against 3.5 for GPS Test Satellite Tracker. That said, the two scores are not equally well evidenced: Cellr has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 0% of Cellr's written reviews are positive against 50% of GPS Test Satellite Tracker's.

Cellr ships an update every 3 weeks, GPS Test Satellite Tracker every 3 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | Cellr | GPS Test Satellite Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (10 ratings)](https://appshunter.io/ios/app/cellr-cell-tower-locator-map/id6764782692/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/gps-test-satellite-tracker/id6791295491/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 60 MB | 7 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Evgenii Luchinin](https://appshunter.io/developer/1039029784) | [Tigran Barseghyan](https://appshunter.io/developer/1367662357) |

## What reviewers say

### Cellr

[App page](https://appshunter.io/ios/app/cellr-cell-tower-locator-map/id6764782692)

This app displays a map of nearby cell towers, including their signal type and carrier. It helps users find the closest signal source, align antennas, and understand cellular coverage. Useful for improving reception in rural areas or for network professionals.

**Highlights:** Live tower map (LTE, 5G, GSM, UMTS, CDMA), Distance and bearing to towers, Built-in compass for alignment, Tower details (radio type, carrier, ID), Coverage overlay with terrain viewshed, Carrier filter (Premium), Nearest tower list

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cellr Premium Weekly | $2.99 | per 7 days |
| Cellr Premium Weekly | $2.99 | per 7 days |
| Cellr Premium Monthly | $9.99 | per month |
| Cellr Premium Annual | $24.99 | per year |
| Cellr Premium Annual | $24.99 | per year |


### GPS Test Satellite Tracker

[App page](https://appshunter.io/ios/app/gps-test-satellite-tracker/id6791295491)

Track satellites like Starlink and the ISS in real-time with a live radar. View your device's GPS/GNSS status, including satellite visibility and signal strength. Explore detailed orbital data for various celestial objects.

**Highlights:** Live satellite radar for Starlink, ISS, and orbital objects, Real GPS/GNSS fix quality and accuracy, GNSS satellites overhead: in use vs. in view, Full orbit track and telemetry for any satellite, Signal indicators and NORAD IDs

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $8.99 | per month |
| Pro Annual | $39.99 | per year |
| Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Cellr free?

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

### Is GPS Test Satellite Tracker free?

GPS Test Satellite Tracker is free to download, with in-app purchases available.

### Which has better reviews, Cellr or GPS Test Satellite Tracker?

GPS Test Satellite Tracker is rated higher. Cellr averages 3.4 out of 5 from 10 ratings, while GPS Test Satellite Tracker averages 3.5 from 2 ratings.

### Do Cellr or GPS Test Satellite Tracker have ads?

Neither Cellr nor GPS Test Satellite Tracker shows ads.

### Which is updated more often, Cellr or GPS Test Satellite Tracker?

Cellr ships an update every 3 weeks, and GPS Test Satellite Tracker every 3 months. Most recently, Cellr was updated on October 31, 2026 and GPS Test Satellite Tracker on October 31, 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.*