# ISS Tracker vs SimpleSSTV

The clearest difference is rating: ISS Tracker at 4.7 against SimpleSSTV's 4.0. ISS Tracker also leads on in-app purchases (none vs 6) and review sentiment (100% vs 73%). SimpleSSTV's advantage is iOS requirement (17.6 vs 26.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. SimpleSSTV sells 6 one-off in-app purchases. ISS Tracker asks for nothing beyond the download.

ISS Tracker holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 17 and 4 respectively. Written reviews point the same way: 100% of ISS Tracker's written reviews are positive against 73% of SimpleSSTV's.

ISS Tracker ships an update weekly, SimpleSSTV monthly. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ISS Tracker | SimpleSSTV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (17 ratings)](https://appshunter.io/ios/app/iss-tracker-space-station/id6740058138/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/simplesstv/id6756872709/reviews) |
| Number of ratings | **17** | 4 |
| Positive reviews | **100.0% of reviews** | 73.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | Free |
| Size | 15 MB | 5 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Lucent Enterprises Ltd.](https://appshunter.io/developer/1448644115) | [Jeroen Rombouts](https://appshunter.io/developer/1863358112) |

## What reviewers say

### ISS Tracker

[App page](https://appshunter.io/ios/app/iss-tracker-space-station/id6740058138)

Monitor the International Space Station's live position and vital telemetry data in real-time. Track its orbit, altitude, velocity, and internal environmental systems. Ideal for space enthusiasts and students interested in space exploration.

**Highlights:** Real-time ISS position tracking, Interactive world map, Altitude and velocity data, Comprehensive telemetry monitoring, Environmental and power system data, Dark mode support

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

**In-app purchases:** none


### SimpleSSTV

[App page](https://appshunter.io/ios/app/simplesstv/id6756872709)

This app allows ham radio operators to encode images into audio signals for transmission and decode received audio back into images. It supports various SSTV modes, live camera feeds, and even AI-generated QSL cards. Receive alerts for International Space Station SSTV events.

**Highlights:** Encode images to SSTV audio, Decode SSTV audio to images, Live camera feed with trigger modes, Support for 14 SSTV modes, AI-generated QSL calling cards, ISS SSTV event notifications, Audio setup and troubleshooting tips

**Features:** Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Listening Station Mode | $1.99 | one-time |
| 10 AI Card Credits | $1.99 | one-time |
| Remove or change encoder watermark | $2.99 | one-time |
| SimpleSSTV Pro | $3.99 | one-time |
| 30 AI Card Credits | $3.99 | one-time |
| 120 AI Card Credits | $8.99 | one-time |


## Frequently asked questions

### Is ISS Tracker free?

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

### Is SimpleSSTV free?

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

### Which has better reviews, ISS Tracker or SimpleSSTV?

ISS Tracker is rated higher. ISS Tracker averages 4.7 out of 5 from 17 ratings, while SimpleSSTV averages 4.0 from 4 ratings.

### Do ISS Tracker or SimpleSSTV have ads?

Neither ISS Tracker nor SimpleSSTV shows ads.

### Which is updated more often, ISS Tracker or SimpleSSTV?

ISS Tracker ships an update weekly, and SimpleSSTV monthly. Most recently, ISS Tracker was updated on October 16, 2026 and SimpleSSTV on October 8, 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.*