UAS Sentry vs Propagation Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UAS Sentry
This application displays nearby drones when connected to a specific receiver. It also enables configuration of the companion UAS Sentry Remote ID Receiver. Without the receiver, no drones will be visible.
- View nearby drones
- Configure UAS Sentry Receiver
- Requires companion hardware
- Drone detection interface
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IMPORTANT: This app will only show drones if it is connected to a UAS Sentry RID Receiver. It will NOT show any drones without the companion UAS Sentry Remote ID Receiver This app allows you to not only see drones that are in your area but it also allows you to configure your UAS Sentry Remote ID Receiver.
Propagation Tools
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Propagation tools to include Free Space Loss, Link Margin, UHF LOS, EIRP, Fade Margin and graphs
Screenshots
Verdict
The clearest difference is price: UAS Sentry at Free against Propagation Tools's $0.29. UAS Sentry also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (14.0 vs 17.0). On 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
UAS Sentry is free to download; Propagation Tools costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.
UAS Sentry ships an update every 2 months, Propagation Tools every 9 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.
| Parameter | UAS Sentry | Propagation Tools |
|---|---|---|
| Price | Free — better | $0.29 |
| Rating | 2.6 (5 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Vintage Slots of Colorado, Inc | Jeff Curtis |
In-app purchases
UAS Sentry
No in-app purchases
Propagation Tools
No in-app purchases
Questions
Is UAS Sentry free?
Is Propagation Tools free?
Do UAS Sentry or Propagation Tools have ads?
Which is updated more often, UAS Sentry or Propagation Tools?
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