# Terriscope vs ORBCOMM Installer

The clearest difference is update cadence: Terriscope at every 11 days against ORBCOMM Installer's every 5 weeks. Terriscope also leads on iOS requirement (13.0 vs 15.3). On price, ads, in-app purchases and device support 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, ORBCOMM Installer every 5 weeks. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Terriscope | ORBCOMM Installer |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 68 MB | 155 MB |
| Requires iOS | **13.0** | 15.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Portcullis Acuity](https://appshunter.io/developer/1620529166) | [ORBCOMM, Inc](https://appshunter.io/developer/1031583110) |

## 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


### ORBCOMM Installer

[App page](https://appshunter.io/ios/app/orbcomm-installer/id6744643695)

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

**In-app purchases:** none


## Frequently asked questions

### Is Terriscope free?

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

### Is ORBCOMM Installer free?

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

### Do Terriscope or ORBCOMM Installer have ads?

Neither Terriscope nor ORBCOMM Installer shows ads.

### Which is updated more often, Terriscope or ORBCOMM Installer?

Terriscope ships an update every 11 days, and ORBCOMM Installer every 5 weeks. Most recently, Terriscope was updated on October 24, 2026 and ORBCOMM Installer on October 19, 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.*