RADAR Chain vs Explore Moor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RADAR Chain
Explore the history of RADAR development in the UK from 1936 onwards. Discover early RADAR sites with satellite views and historical details, including photographs. Learn about the pioneers and the Chain Home network, plus RAF airfields active during the Battle of Britain.
- UK RADAR development history (1936+)
- Early RADAR site locations
- Satellite views of current locations
- Historical details and photographs
- Bawdsey research details
- Battle of Britain RAF airfields
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The RADAR Chain app provides a unique oversight of the development of RADAR in the UK during the period 1936 onwards. With war imminent, the development genius of Robert Watson Watt and Arnold Wilkins experimented with the visionary concept of detecting aircraft by the reflection of radio waves. Following successful trials at Bawdsey on the Suffolk coast, a chain of RADAR sites (Chain Home) was built around the UK. This app shows all of the early sites and provides a satellite view of each location as it exists today plus details and photographs from those early years. The development of RADAR is explained together with full details of Bawdsey where so much of the early work was carried out and where today the Bawdsey Experience provides visitors with a truly memorable day out. RAF fighter airfields active during the Battle of Britain are also shown with brief details of their role and operational dates.
Explore Moor
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An identification guide to the plants, wildlife and sights of the moors. More people than ever are enjoying Britain's moorlands, so this app enables you to recognise what you see on your walks and to celebrate the biodiversity of this unique habitat. It also helps you keep your own list of the species and features you have seen.
Screenshots
Verdict
The clearest difference is update cadence: Explore Moor at every 11 days against RADAR Chain's every 14 months. Explore Moor also leads on iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
RADAR Chain ships an update every 14 months, Explore Moor every 11 days. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.
| Parameter | RADAR Chain | Explore Moor |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 14 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 167 MB |
| Age rating | 4+ | 4+ |
| Developer | Graham Randall | Natural Apptitude |
In-app purchases
RADAR Chain
No in-app purchases
Explore Moor
No in-app purchases






