WindCheck vs ¿Hay Agua?
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WindCheck
This application provides pilots with essential flight planning and navigation tools. It offers global weather data, airport information, and real-time traffic updates. Access runway diagrams, procedure charts, and a smart compass for enhanced situational awareness.
- Global METARs and TAFs
- TFRs and NOTAMs
- 3D Bird's Eye runway view
- Airport diagrams and charts
- VFR/IFR sectionals (US)
- Live ADS-B traffic
- Offline airport data
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WindCheck® is a user-friendly EFB for pilots across the world. ► METARs and TAFs for most airports across the world. ► TFRs, NOTAMs, for every airport in the world. ► AIRMETs, SIGMETs, CWAs, Fax Charts, with world coverage. ► 3D Bird's Eye view for every runway in the world. ► Airport diagrams and procedure charts for the US and South Africa. ► Runway/Taxiway closure and fuel limitation warnings. ► VFR and IFR sectionals for the U.S., always up to date. ► Webcams to assess local conditions across the world. ► Smart Compass with wind direction and nearby airports. ► World map with airports and their weather. ► Live internet ADS-B traffic on the map. ► Runway and radio frequency information for most airports across the world. ► Barometric backup altimeter. ► Scratch pad. ► Airport data for over 31,000 airports in the world, fully available offline. End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
¿Hay Agua?
This app provides real-time dam levels for Puerto Rico, sourced directly from the USGS. View all 23 reservoirs on one screen, track historical data, and understand alert levels with clear color-coded indicators.
- Real-time dam levels
- Historical data graphs
- Alert level indicators
- Reservoir search by name or municipality
- Favorites list
- Spanish and English language support
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¿Hay agua? shows you at a glance how Puerto Rico's reservoirs are doing, with data straight from the U.S. Geological Survey (USGS). All in one list The island's 23 reservoirs on a single screen, each with its current level and which way it's heading. Mark the ones you care about as favorites and they stay at the top. The full history Tap any reservoir to see its level over the last 7, 30, or 90 days in a clear chart, along with how much it has risen or fallen in the last hour, day, week, and quarter. Alert level Each reservoir shows which band it falls into —Overflow, Safety, Observation, Adjustments, Control, or Out of service— with the same colors and thresholds published by Puerto Rico's Aqueducts and Sewers Authority (AAA). Search By reservoir name or by your municipality. Where the data comes from From USGS gauges, which take readings every 15 minutes. The data is provisional and subject to revision. The app shows where the USGS reading falls; AAA's official bulletin may report a different band, since it measures with its own instruments. English and Spanish. With dark mode and Dynamic Type.
Screenshots
Verdict
The clearest difference is review sentiment: WindCheck at 94% against ¿Hay Agua?'s 33%. WindCheck also leads on price (Free vs $0.99) and rating (4.9 vs 3.2). ¿Hay Agua?'s advantage is in-app purchases (none vs 2). On ads 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
WindCheck is free to download; ¿Hay Agua? costs $0.99 up front. WindCheck sells 2 in-app purchases, starting at $4.99 per month. ¿Hay Agua? asks for nothing beyond the download.
WindCheck holds the better App Store score, 4.9 against 3.2. That said, the two scores are not equally well evidenced: WindCheck has 164 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 94% of WindCheck's written reviews are positive against 33% of ¿Hay Agua?'s.
WindCheck ships an update weekly, ¿Hay Agua? every 23 months. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.
| Parameter | WindCheck | ¿Hay Agua? |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.9 (164 ratings) — better | 3.2 (5 ratings) |
| Positive reviews | 93.8% of reviews — better | 33.3% of reviews |
| Number of ratings | 164 — better | 5 |
| Update frequency | Weekly — better | Every 23 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 160 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | LycheeApps Inc. | Carlos Corrada |
Customer experience
WindCheck
¿Hay Agua?
In-app purchases
WindCheck
- U.S. Pilot (monthly)7 Days trial$4.991 Month
- U.S. Pilot (annual)7 Days trial$49.991 Year
¿Hay Agua?
No in-app purchases









