# SmartSDR™ vs Satellite Tracker

The clearest difference is price: Satellite Tracker at Free against SmartSDR™'s $79.99. Satellite Tracker also leads on iOS requirement (15.6 vs 17.6). SmartSDR™'s advantage is rating (4.3 vs 3.4) and review sentiment (77% vs 44%). On ads, in-app purchases and device support there is nothing between them.

Satellite Tracker is free to download; SmartSDR™ costs $79.99 up front. SmartSDR™ sells 10 one-off in-app purchases and Satellite Tracker sells 4 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

SmartSDR™ holds the better App Store score, 4.3 against 3.4. That said, the two scores are not equally well evidenced: SmartSDR™ has 132 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 77% of SmartSDR™'s written reviews are positive against 44% of Satellite Tracker's.

SmartSDR™ ships an update every 2 weeks, Satellite Tracker every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SmartSDR™ | Satellite Tracker |
| --- | --- | --- |
| Price | $79.99 | **Free** |
| Rating | **[4.3 (132 ratings)](https://appshunter.io/ios/app/smartsdr-flexradio-systems/id1089157289/reviews)** | [3.4 (13 ratings)](https://appshunter.io/ios/app/satellite-tracker/id1438679383/reviews) |
| Number of ratings | **132** | 13 |
| Positive reviews | **76.7% of reviews** | 44.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 23 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Roskosch](https://appshunter.io/developer/334053438) | [Craig Vosburgh](https://appshunter.io/developer/301984770) |

## What reviewers say

### SmartSDR™

[App page](https://appshunter.io/ios/app/smartsdr-flexradio-systems/id1089157289)

Control your FlexRadio SDR device from your iPad or iPhone. Access nearly all features of the desktop client, including digital modes, signal analysis, and remote operation via SmartLink. Requires compatible FlexRadio hardware.

**Highlights:** FT8 and FT4 support, SSTV TX and RX, APRS TX and RX, CW Decoder and keyer, Weather Fax decoder, Slice and Panadapter management, SmartLink remote access

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Region 1,2 and 3 Band Plan | Free | one-time |
| DX-Cluster | $5.99 | one-time |
| Griffin PowerMate BT Controller support | $5.99 | one-time |
| MidiController support | $5.99 | one-time |
| Logbook Add-on | $5.99 | one-time |
| Flic 2 Button support | $5.99 | one-time |
| Voice Macros | $5.99 | one-time |
| 4O3A Genius Device support | $9.99 | one-time |
| FT8 | $19.99 | one-time |
| FlexRadio Device access | $64.99 | one-time |


### 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 |


## Frequently asked questions

### Is SmartSDR™ free?

SmartSDR™ costs $79.99, and also offers in-app purchases.

### Is Satellite Tracker free?

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

### Which has better reviews, SmartSDR™ or Satellite Tracker?

SmartSDR™ is rated higher. SmartSDR™ averages 4.3 out of 5 from 132 ratings, while Satellite Tracker averages 3.4 from 13 ratings.

### Do SmartSDR™ or Satellite Tracker have ads?

Neither SmartSDR™ nor Satellite Tracker shows ads.

### Which is updated more often, SmartSDR™ or Satellite Tracker?

SmartSDR™ ships an update every 2 weeks, and Satellite Tracker every 2 months. Most recently, SmartSDR™ was updated on October 29, 2026 and Satellite Tracker on October 24, 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.*