# Terriscope vs London Shield

The clearest difference is update cadence: Terriscope at every 11 days against London Shield's every 3 weeks. Terriscope also leads on iOS requirement (13.0 vs 15.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Terriscope ships an update every 11 days, London Shield every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Terriscope | London Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/terriscope/id1620529163/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 68 MB | 36 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Portcullis Acuity](https://appshunter.io/developer/1620529166) | [Metropolitan Police Service](https://appshunter.io/developer/1482303492) |

## What reviewers say

### Terriscope

[App page](https://appshunter.io/ios/app/terriscope/id1620529163)

This app provides rapid alerts and in-depth analysis of potential and confirmed terrorist attacks. It monitors extremist propaganda and open-source intelligence, offering comprehensive threat understanding for professionals.

**Highlights:** Rapid alerts on terrorist attacks, Analysis of extremist propaganda, Open-source intelligence monitoring, Threat spectrum understanding, Security-focused incident analysis, Timely and crucial insights

**In-app purchases:** none


### London Shield

[App page](https://appshunter.io/ios/app/london-shield/id1659635176)

Stay informed about terrorism-related events and news in London. This app connects businesses with the Metropolitan Police Service for security updates and engagement.

**Highlights:** Terrorism-related news and events, Security operations information, Business community engagement, Metropolitan Police updates, In-app registration for businesses

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Terriscope free?

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

### Is London Shield free?

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

### Do Terriscope or London Shield have ads?

Neither Terriscope nor London Shield shows ads.

### Which is updated more often, Terriscope or London Shield?

Terriscope ships an update every 11 days, and London Shield every 3 weeks. Most recently, Terriscope was updated on November 3, 2026 and London Shield on November 3, 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.*