# Satellite Tracker vs CenTelum

The clearest difference is in-app purchases: CenTelum at none against Satellite Tracker's 4. CenTelum also leads on update cadence (every 4 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Satellite Tracker sells 4 in-app purchases, starting at $1.49 per month. CenTelum asks for nothing beyond the download.

Satellite Tracker ships an update every 3 months, CenTelum every 4 days. Both last shipped on October 3, 2026.

## The numbers

| Metric | Satellite Tracker | CenTelum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (13 ratings)](https://appshunter.io/ios/app/satellite-tracker/id1438679383/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 4 MB |
| Requires iOS | 15.6 | **14.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Craig Vosburgh](https://appshunter.io/developer/301984770) | [Cenango Financial, LLC](https://appshunter.io/developer/626142722) |

## What reviewers say

### Satellite Tracker

[App page](https://appshunter.io/ios/app/satellite-tracker/id1438679383)

Track satellites, the Sun, and the Moon with rise/set times and visibility calculations. Visualize Earth with 3D globe or 2D map views and customize tracking options. Offers free basic functionality with optional subscriptions for expanded satellite access.

**Highlights:** Satellite, Sun, and Moon tracking, Rise/set times and visibility calculations, 3D globe and 2D map Earth views, Customizable tracking options, Free basic functionality, Optional satellite subscription plans

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Amateur Satellites Monthly | $1.49 | per month |
| All Satellites Monthly | $1.99 | per month |
| Amateur Satellites Annual | $8.99 | per year |
| All Satellites Annual | $11.99 | per year |


### CenTelum

[App page](https://appshunter.io/ios/app/centelum/id6446116286)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Satellite Tracker free?

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

### Is CenTelum free?

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

### Do Satellite Tracker or CenTelum have ads?

Neither Satellite Tracker nor CenTelum shows ads.

### Which is updated more often, Satellite Tracker or CenTelum?

Satellite Tracker ships an update every 3 months, and CenTelum every 4 days. Most recently, Satellite Tracker was updated on October 3, 2026 and CenTelum on October 3, 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.*