playbuoy vs SkewT Aero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
playbuoy
Provides detailed swell observations and forecasts from NOAA buoy data. Visualize up to five swell components and compare real-time readings with model forecasts for informed ocean activity planning.
- Detailed swell observations and forecasts
- Analyzes NOAA buoy data with custom algorithm
- Up to five swell components displayed
- Comparison of buoy readings with model forecasts
- Visualization of directional wave spectra
- Favorite buoy selection
- Widgets and watch complications
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playbuoy brings unparalleled insight into NOAA buoy wave readings. Detailed Swell Observations and Forecast. playbuoy analyzes NOAA buoy data with a customized algorithm to extract detailed swell information from raw buoy observations and wave models. This gives the most accurate breakdown of where swell is headed and when. With 16 days of forecasted swell data, you will always be informed of what to expect for whatever ocean activities you love. While other apps will show two swell components observed or forecasted, playbuoy will show up to five. Beautiful and Meaningful plots. Easily compare the the current buoy readings with model forecasts to prepare and plan for how the forecasts may not be matching up with what is actually happening in the ocean. No other service can visualize the full directional wave spectra for both buoy observations and wave models at once. Explore the latest buoy observations from all over the US and beyond to watch current weather events or plan for future activities. Or select your favorite buoys to keep the wave information you need the most a tap away. Widgets and watch complications keep the latest data a glance away. Never miss a swell again. Share plots and swell data with a custom share function to loop others in and make group plans for surfing, fishing, boating, or any other ocean activity you love.
SkewT Aero
Visualize atmospheric conditions and weather forecasts along your flight path. Explore interactive charts and timelines to understand how clouds, winds, and hazards evolve before you fly. Synchronized views allow for detailed analysis of weather changes by location, time, and altitude.
- Interactive route weather visualization
- Route hazard timelines
- Vertical atmospheric profiles
- Forecast soundings (SkewT)
- Offline weather and navigation data
- Hourly forecast updates
- Home Screen widgets
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SkewT Aero helps pilots truly understand the atmosphere and what that means for a planned flight. Explore weather along your route using interactive visualizations built directly from modern forecast guidance. Slide your departure time, inspect hazards, and understand how clouds, winds, icing, turbulence, convection, ceilings, and visibility evolve before you fly. Every view is synchronized by route, time, and altitude. Move anywhere along your route or slide your departure time to see how the forecast changes throughout the flight. SkewT Aero complements tools like ForeFlight and Garmin Pilot by helping pilots explore forecast guidance in greater detail before making weather decisions. Features include interactive route weather visualization, route hazard timelines, vertical atmospheric profiles, forecast soundings (SkewT), route stations, nationwide weather maps, operational NOAA forecast guidance, offline weather and navigation data, hourly forecast updates, Home Screen widgets for a SkewT and for three airports' stations, iPad in either orientation, and iPhone Duo. Forecasts are built from operational NOAA guidance including HRRR, RRFS, GFS, NBM, DAFS, and LAMP. Rather than reducing those models to a text briefing, SkewT Aero lets you interact directly with the atmosphere they predict. Whether you're evaluating today's flight or planning several days ahead, every view stays synchronized so you can quickly understand how weather changes with location, time, and altitude.
Screenshots
Verdict
The clearest difference is in-app purchases: playbuoy at none against SkewT Aero's 2. playbuoy also leads on ratings volume (17 vs 1). SkewT Aero's advantage is chart position (#195 vs unranked). On price, rating, update cadence and 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
Both are free to download. SkewT Aero sells 2 in-app purchases, starting at $39.99 per year. playbuoy asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for playbuoy against 5.0 for SkewT Aero. That said, the two scores are not equally well evidenced: playbuoy has 17 ratings behind it against 1, so its average is the more settled of the two.
playbuoy ships an update every 2 weeks, SkewT Aero fortnightly. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.
| Parameter | playbuoy | SkewT Aero |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (17 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 17 — better | 1 |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #195 — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 18.5 | 18.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthew Iannucci | Enlu Aero LLC |
Customer experience
playbuoy
SkewT Aero
In-app purchases
playbuoy
No in-app purchases
SkewT Aero
- SkewT Aero Annual$39.991 Year
- SkewT Aero14 Days trial$39.991 Year









