# DIMI vs Greyline FT8

The clearest difference is price: DIMI at Free against Greyline FT8's $3.99. DIMI also leads on iOS requirement (13.0 vs 26.5). Greyline FT8's advantage is update cadence (every 4 days vs every 20 months) and chart position (#73 vs unranked). On ads, in-app purchases and device support there is nothing between them.

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

DIMI ships an update every 20 months, Greyline FT8 every 4 days. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | DIMI | Greyline FT8 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[4.8 (13 ratings)](https://appshunter.io/ios/app/greyline-ft8/id6773455172/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 4 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#73** |
| Size | 32 MB | 18 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Unlocked Reality Inc.](https://appshunter.io/developer/1780284902) | [JONATHAN MARK SCHULMAN](https://appshunter.io/developer/6773455174) |

## What reviewers say

### DIMI

[App page](https://appshunter.io/ios/app/dimi-digital-display-cube/id6740759403)

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

**In-app purchases:** none


### Greyline FT8

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

**Currently charting:** #73 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 DIMI free?

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

### Is Greyline FT8 free?

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

### Do DIMI or Greyline FT8 have ads?

Neither DIMI nor Greyline FT8 shows ads.

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

DIMI ships an update every 20 months, and Greyline FT8 every 4 days. Most recently, DIMI was updated on October 18, 2026 and Greyline FT8 on October 20, 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.*