GEM PSS Admin vs Invex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GEM PSS Admin
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Manage your Genasys GEM events and well as your LRAD speakers and sounds. Review the status of the executions. Record your sounds and deploy them on your speakers. Preview the information to be sent as well as the message to be played. Use Quick launch buttons to execute notifications events templates, edit the message to be sent and replace selected keywords before sending the message.
Invex
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Invex is an asset management app designed for US State/County offices. The app help keep track of common items such as pipes, bridges, roadways, and signs. You can set up map markers, photos, and detailed information about each asset. You can also track storm damages affecting your assets. If your office handles ETR projects, you can track those as well! All data collected in the app is uploaded to your Invex cloud database and immediately available in the web application.
Screenshots
Verdict
The clearest difference is update cadence: GEM PSS Admin at every 4 weeks against Invex's every 10 months. Invex's advantage is iOS requirement (13.0 vs 15.1). 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.
GEM PSS Admin ships an update every 4 weeks, Invex every 10 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | GEM PSS Admin | Invex |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | GENASYS | Russell Willeford |
In-app purchases
GEM PSS Admin
No in-app purchases
Invex
No in-app purchases
