# iCluster vs Greyline FT8

The clearest difference is rating: Greyline FT8 at 4.8 against iCluster's 4.1. Greyline FT8 also leads on update cadence (every 4 days vs every 2 months) and review sentiment (90% vs 72%). iCluster's advantage is iOS requirement (10.1 vs 26.5). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

iCluster costs $5.99 and Greyline FT8 $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Greyline FT8 holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 10 and 12 respectively. Written reviews point the same way: 72% of iCluster's written reviews are positive against 90% of Greyline FT8's.

iCluster ships an update every 2 months, Greyline FT8 every 4 days. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iCluster | Greyline FT8 |
| --- | --- | --- |
| Price | $5.99 | **$3.99** |
| Rating | [4.1 (10 ratings)](https://appshunter.io/ios/app/icluster-dx-cluster-database/id334053435/reviews) | **[4.8 (12 ratings)](https://appshunter.io/ios/app/greyline-ft8/id6773455172/reviews)** |
| Number of ratings | 10 | **12** |
| Positive reviews | 71.9% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Best chart rank | #198 | **#164** |
| Size | 22 MB | 18 MB |
| Requires iOS | **10.1** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Roskosch](https://appshunter.io/developer/334053438) | [JONATHAN MARK SCHULMAN](https://appshunter.io/developer/6773455174) |

## What reviewers say

### iCluster

[App page](https://appshunter.io/ios/app/icluster-dx-cluster-database/id334053435)

**Currently charting:** #198 Top Paid · Utilities (US App Store)

Access and analyze real-time amateur radio frequency data from the international DX-Cluster database. Filter information by frequency, mode, or location, and automatically decode call signs to identify operator countries. Ideal for radio enthusiasts and shortwave listeners.

**Highlights:** Real-time DX-Cluster database, Multiple pre-defined and custom server options, Advanced filtering by frequency, mode, call prefix, and zones, Automatic call sign decoding, Map display of DX spots with distance and bearing, QRZ.com and HamQTH lookups, iCloud synchronization

**In-app purchases:** none


### Greyline FT8

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

**Currently charting:** #164 Top Paid · Utilities (US App Store)

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 iCluster free?

iCluster costs $5.99, with no in-app purchases.

### Is Greyline FT8 free?

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

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

Greyline FT8 is rated higher. iCluster averages 4.1 out of 5 from 10 ratings, while Greyline FT8 averages 4.8 from 12 ratings.

### Do iCluster or Greyline FT8 have ads?

Neither iCluster nor Greyline FT8 shows ads.

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

iCluster ships an update every 2 months, and Greyline FT8 every 4 days. Most recently, iCluster was updated on October 13, 2026 and Greyline FT8 on October 3, 2026.

### Which is more popular, iCluster or Greyline FT8?

iCluster currently peaks at #198 in the App Store charts, and Greyline FT8 at #164. Chart position reflects recent download velocity rather than total install base.

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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.*