UAS Sentry vs CZI Sound
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.
CZI Sound
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CZI Sound processes the audio source files (TTS, recordings, mixed audio) with a loudness-enhancing algorithm and then uploads them to the shoutbox via Bluetooth. It can also push the latest broadcast content of firmware and industry applications, ground proximity control of the shoutbox to play songs, etc.
Screenshots
Verdict
The clearest difference is update cadence: UAS Sentry at every 2 months against CZI Sound's every 8 months. 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.
UAS Sentry ships an update every 2 months, CZI Sound every 8 months. The most recent releases landed on July 5, 2026 and September 18, 2026 respectively.
| Parameter | UAS Sentry | CZI Sound |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Vintage Slots of Colorado, Inc | Guangzhou Chengzhi Intelligent Machine Technology Co., Ltd. |
In-app purchases
UAS Sentry
No in-app purchases
CZI Sound
No in-app purchases
