KEANS Alerts vs Plen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KEANS Alerts
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The KEANS Alert app is an emergency alert notification system for airports. Using this app, The Air Traffic Controller (ATC) can issue alerts to the ground staff teams and emergency teams based on the information they receive from the pilots. Whenever the Air Traffic Controller ATC raises an alert, the ground staff teams and emergency teams can see the important details of the flight and emergency/alert along with audio and its transcript on their user-friendly interface. With the help of this app, ground staff and emergency teams are quickly notified in the event of an emergency or alert, enabling them to be ready with all the supplies and tools before the flight lands. This app helps airports by reducing risk in the event of emergencies and/or alerts.
Plen
Track aircraft in real-time with live location updates. See planes as they fly and monitor weather conditions along their routes. Discover various types of aircraft with this intuitive radar tool.
- Real-time ADS-B tracking
- Live aircraft location updates
- Weather updates for flight paths
- Discover different types of aircraft
- Intuitive radar interface
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Meet Plen. Plens are in the sky all around us. Track plens with Plen, find plens, see plens. All with Plen. Find fun plens, fast plens, slow plens. Plen. Key Features: Real-Time ADS-B Tracking: Plen location updated in real time. Weather Updates: Watch plens fly through sky poofs. Download Plen.
Screenshots
Verdict
The clearest difference is update cadence: Plen at every 6 days against KEANS Alerts's every 3 months. KEANS Alerts's advantage is iOS requirement (15.6 vs 17.0). 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.
KEANS Alerts ships an update every 3 months, Plen every 6 days. The most recent releases landed on October 7, 2026 and October 20, 2026 respectively.
| Parameter | KEANS Alerts | Plen |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 20 MB | 203 MB |
| Age rating | 4+ | 4+ |
| Developer | KOVA Corp. | Automata Solutions Ltd. |
In-app purchases
KEANS Alerts
No in-app purchases
Plen
No in-app purchases
