# EarthWatch vs Greyline FT8

The clearest difference is price: EarthWatch at Free against Greyline FT8's $3.99. Greyline FT8's advantage is update cadence (every 4 days vs every 2 weeks) and ratings volume (15 vs 1). On rating, ads, in-app purchases and device support there is nothing between them.

EarthWatch is free to download; Greyline FT8 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for EarthWatch against 4.9 for Greyline FT8. That said, the two scores are not equally well evidenced: Greyline FT8 has 15 ratings behind it against 1, so its average is the more settled of the two.

EarthWatch ships an update every 2 weeks, Greyline FT8 every 4 days. The most recent releases landed on October 31, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | EarthWatch | Greyline FT8 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/earthwatch/id6757124855/reviews)** | [4.9 (15 ratings)](https://appshunter.io/ios/app/greyline-ft8/id6773455172/reviews) |
| Number of ratings | 1 | **15** |
| Positive reviews | — | 91.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | **Free** | Paid |
| Size | 13 MB | 18 MB |
| Requires iOS | **26.2** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Galliers](https://appshunter.io/developer/1539851749) | [JONATHAN MARK SCHULMAN](https://appshunter.io/developer/6773455174) |

## What reviewers say

### EarthWatch

[App page](https://appshunter.io/ios/app/earthwatch/id6757124855)

Get live satellite imagery of Earth for your iPhone's Lock and Home screens. The background updates automatically with the latest views from around the world approximately every 30 minutes.

**Highlights:** Live satellite imagery, Lock Screen customization, Home Screen customization, Automatic background updates, Global and regional views

**In-app purchases:** none


### Greyline FT8

[App page](https://appshunter.io/ios/app/greyline-ft8/id6773455172)

This app provides a portable digital ham radio experience for field operations on iOS devices. It automates callsign lookups, displays real-time spot data, and offers automated calling or manual control for QSOs. Features include intelligent frequency selection, audio delay adjustment, and direct logging to QRZ.

**Highlights:** Field-ready digital ham radio, Automated callsign and DXCC lookups, Real-time PSK Reporter spot data, Automated CQ Gatherer and Hunter modes, Intelligent automatic frequency selection, Direct-to-QRZ logging and ADI export

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EarthWatch free?

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

### Is Greyline FT8 free?

Greyline FT8 costs $3.99, with no in-app purchases.

### Which has better reviews, EarthWatch or Greyline FT8?

EarthWatch is rated higher. EarthWatch averages 5.0 out of 5 from 1 ratings, while Greyline FT8 averages 4.9 from 15 ratings.

### Do EarthWatch or Greyline FT8 have ads?

Neither EarthWatch nor Greyline FT8 shows ads.

### Which is updated more often, EarthWatch or Greyline FT8?

EarthWatch ships an update every 2 weeks, and Greyline FT8 every 4 days. Most recently, EarthWatch was updated on October 31, 2026 and Greyline FT8 on November 7, 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.*