# Satellite Tracker vs NASA SpaceTime

The clearest difference is review sentiment: NASA SpaceTime at 100% against Satellite Tracker's 44%. NASA SpaceTime also leads on rating (5.0 vs 3.4) and in-app purchases (none vs 4). On price, ratings volume, ads 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. NASA SpaceTime asks for nothing beyond the download.

NASA SpaceTime holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 13 and 7 respectively. Written reviews point the same way: 44% of Satellite Tracker's written reviews are positive against 100% of NASA SpaceTime's.

Satellite Tracker ships an update every 2 months, NASA SpaceTime every 4 weeks. Both last shipped on October 20, 2026.

## The numbers

| Metric | Satellite Tracker | NASA SpaceTime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (13 ratings)](https://appshunter.io/ios/app/satellite-tracker/id1438679383/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/nasa-spacetime/id1553555795/reviews)** |
| Number of ratings | **13** | 7 |
| Positive reviews | 44.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 38 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Craig Vosburgh](https://appshunter.io/developer/301984770) | [Jet Propulsion Laboratory](https://appshunter.io/developer/347075767) |

## 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 |


### NASA SpaceTime

[App page](https://appshunter.io/ios/app/nasa-spacetime/id1553555795)

Track the current time on Mars for NASA's Perseverance and Curiosity rovers. View mission event schedules and operational meetings. Supports Siri integration for quick time queries.

**Highlights:** Mars time display, Earth time display, Rover mission schedules, Operational meeting views, Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is Satellite Tracker free?

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

### Is NASA SpaceTime free?

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

### Which has better reviews, Satellite Tracker or NASA SpaceTime?

NASA SpaceTime is rated higher. Satellite Tracker averages 3.4 out of 5 from 13 ratings, while NASA SpaceTime averages 5.0 from 7 ratings.

### Do Satellite Tracker or NASA SpaceTime have ads?

Neither Satellite Tracker nor NASA SpaceTime shows ads.

### Which is updated more often, Satellite Tracker or NASA SpaceTime?

Satellite Tracker ships an update every 2 months, and NASA SpaceTime every 4 weeks. Most recently, Satellite Tracker was updated on October 20, 2026 and NASA SpaceTime on October 20, 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.*