# RADAR Chain vs Antique Identifier !

The clearest difference is in-app purchases: RADAR Chain at none against Antique Identifier !'s 2. Antique Identifier !'s advantage is update cadence (every 6 weeks vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Antique Identifier ! sells 2 in-app purchases, starting at $6.99 per month. RADAR Chain asks for nothing beyond the download.

RADAR Chain ships an update every 14 months, Antique Identifier ! every 6 weeks. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | RADAR Chain | Antique Identifier ! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/radar-chain/id939424600/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 21 MB | 19 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Graham Randall](https://appshunter.io/developer/730422090) | [alperen bigin](https://appshunter.io/developer/1744725749) |

## What reviewers say

### RADAR Chain

[App page](https://appshunter.io/ios/app/radar-chain/id939424600)

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.

**Highlights:** 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

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

**In-app purchases:** none


### Antique Identifier !

[App page](https://appshunter.io/ios/app/antique-identifier/id6737475682)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Annual Subscription | $49.99 | per year |


## Frequently asked questions

### Is RADAR Chain free?

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

### Is Antique Identifier ! free?

Antique Identifier ! is free to download, with in-app purchases available.

### Do RADAR Chain or Antique Identifier ! have ads?

Neither RADAR Chain nor Antique Identifier ! shows ads.

### Which is updated more often, RADAR Chain or Antique Identifier !?

RADAR Chain ships an update every 14 months, and Antique Identifier ! every 6 weeks. Most recently, RADAR Chain was updated on October 24, 2026 and Antique Identifier ! on October 23, 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.*