# ISS & Satellite Tracker vs 少年SSTV地面站

The clearest difference is update cadence: 少年SSTV地面站 at every 4 days against ISS & Satellite Tracker's every 8 days. 少年SSTV地面站 also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ISS & Satellite Tracker sells 2 in-app purchases, starting at $3.99 per month and 少年SSTV地面站 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ISS & Satellite Tracker ships an update every 8 days, 少年SSTV地面站 every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ISS & Satellite Tracker | 少年SSTV地面站 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/iss-and-satellite-tracker-orbit/id6772174570/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 34 MB | 15 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lukas Nagy](https://appshunter.io/developer/6771505673) | [峰 于](https://appshunter.io/developer/6772845425) |

## What reviewers say

### ISS & Satellite Tracker

[App page](https://appshunter.io/ios/app/iss-and-satellite-tracker-orbit/id6772174570)

Explore the cosmos with a real-time satellite tracker. Use augmented reality to view satellites, planets, and constellations in the sky. Discover over 15,000 objects and get AI-generated descriptions of their missions.

**Highlights:** Augmented reality sky view, Real-time satellite tracking, Catalog of 15,000+ objects, AI-generated spacecraft descriptions, Upcoming pass predictions, Historical mission museum, Space event calendar

**Features:** iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orbit Pro Monthly | $3.99 | per month |
| Orbit Pro Yearly | $24.99 | per year |


### 少年SSTV地面站

[App page](https://appshunter.io/ios/app/sstv/id6797379761)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SSTV Standard | $0.99 | one-time |
| Standard to Pro Upgrade | $8.99 | one-time |
| SSTV Pro | $9.99 | one-time |


## Frequently asked questions

### Is ISS & Satellite Tracker free?

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

### Is 少年SSTV地面站 free?

少年SSTV地面站 is free to download, with in-app purchases available.

### Do ISS & Satellite Tracker or 少年SSTV地面站 have ads?

Neither ISS & Satellite Tracker nor 少年SSTV地面站 shows ads.

### Which is updated more often, ISS & Satellite Tracker or 少年SSTV地面站?

ISS & Satellite Tracker ships an update every 8 days, and 少年SSTV地面站 every 4 days. Most recently, ISS & Satellite Tracker was updated on November 5, 2026 and 少年SSTV地面站 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.*