SIGMO vs HOTs.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SIGMO
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SIGMO App connects to an existing SIGMO instance (available from release version 3.2 upwards). This app requires a valid account for a SIGMO instance. - Aircraft status - Maintenance (work requests) - AOG Status - Airport List & Briefing - Arrival/Departure List (Schedule) Any AOG status update or work request for line maintenance engineers arrive with push notifications. The aircraft status and airport briefing are also available in offline mode. Data protection directive of the airline operator applies.
HOTs.
This aviation tool provides pilots with critical operational data and real-time hazard monitoring. Visualize global weather and turbulence reports on an interactive 3D globe for enhanced situational awareness.
- Real-time hazard monitoring
- Interactive 3D globe visualization
- SIGMETs, PIREPs, AIREPs
- Turbulence reports
- High-level hazard overlays
- Pilot-focused interface
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HOTs is an operational flight intelligence platform built for professional pilots. Originally designed as a winter operations holdover calculator, HOTs has evolved into a comprehensive aviation hazard and situational awareness tool — delivering critical operational data in a clean, pilot-focused interface. Monitor aviation hazards worldwide through an interactive 3D globe: • SIGMETs • PIREPs • AIREPs • Turbulence reports • High-level hazard overlays See threats at cruise levels, oceanic routes, and continental airspace in real time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lagary.com/one/privacy-policy.html
Screenshots
Verdict
The clearest difference is price: HOTs. at Free against SIGMO's $1.99. HOTs. also leads on update cadence (every 5 days vs every 5 weeks). SIGMO's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 18.6). On ads 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
HOTs. is free to download; SIGMO costs $1.99 up front. HOTs. sells 1 in-app purchase, starting at $9.99 per year. SIGMO asks for nothing beyond the download.
SIGMO ships an update every 5 weeks, HOTs. every 5 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | SIGMO | HOTs. |
|---|---|---|
| Price | $1.99 | Free — better |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 5 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 25 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Manuel Javorik | Lagary Systems, Inc |
In-app purchases
SIGMO
No in-app purchases
HOTs.
- HOTs Full Access3 Days trial$9.991 Year
