playbuoy vs Swell Scope
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
playbuoy
This app provides detailed swell observations and forecasts using NOAA buoy data and a custom algorithm. It offers beautiful, meaningful plots to compare real-time readings with model forecasts, helping you plan ocean activities.
- Detailed swell observations and forecasts
- Custom algorithm for accurate swell breakdown
- 16-day swell forecast data
- Up to five swell components displayed
- Visual comparison of buoy readings and model forecasts
- Full directional wave spectra visualization
- 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.
Swell Scope
This app allows users to create custom surf spots globally by dropping pins and provides detailed forecast data from premier weather models. It features a surf journal with auto-import and trend charts to help users make informed decisions about their sessions.
- Custom surf spot creation worldwide
- 14-day detailed weather forecast
- Surf journal with auto-import
- Similar session comparison
- Trend charts for forecast data
- Real-time data updates
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Raw forecasts at your own custom spots. Originally crowdfunded by surfers worldwide. Over 2 million forecasts served already! Swell Scope - the surf forecast app with no surf spots. Instead, you add your own custom surf breaks by dropping a pin anywhere in the world. Use first-of-their kind tools to setup the exposure of your spot in just a few seconds. Then jump into beautiful charts, animations, and visuals that show you the raw forecast data from the world’s premier weather models. After your session, auto-import the conditions into your journal and add your own detailed ratings for things like breaking-wave shape and surface cleanliness. Next time the conditions are similar, you’ll see your own ratings alongside the raw forecast data. Everything is designed so that you can make the call yourself, instead of relying on mysterious predictions and algorithms. My hope is to bring back the joy & excitement of learning your local, making the call, and chasing those special sessions. Over 5,000 people helped beta test Swell Scope throughout 2025! Here are some of the favourite features they helped us develop: 14-Day Forecast - Raw forecast data from the premier weather agencies. Primary, Secondary, and Wind Swells. Height, period, & direction. Wind strength & direction. Tides. Sunrise & Sunset times. Water Temp. Weather including rain & cloud cover. Custom Surf Spots - Worldwide - Drop a pin anywhere in the world to see the forecast there. Use first-of-their kind tools to setup the exposure & inform the app of onshore/offshore directions. Surf Journal with Auto-Import - Add your sessions to your journal and all the conditions are automatically imported. Fill out detailed ratings bout breaking wave shape, wind quality, and more Similar Sessions - Next time the conditions are similar, see your past ratings alongside the forecast. Use the comparison screen to see for yourself how similar the sessions are and make the call Trend Charts - See three full days of charted data for every detail in forecast on a single screen. Spotting trends is easy when you can see so much in one view Fresh Data - See which weather agencies & models are being used for every detail in the forecast. Data is updated in the app as soon as it's published by the sources. Most models update every 6-hours, with some being as frequent as hourly! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.swell-scope.com/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: playbuoy at none against Swell Scope's 3. playbuoy also leads on update cadence (every 2 weeks vs monthly) and review sentiment (100% vs 92%). Swell Scope's advantage is ratings volume (48 vs 15) and iOS requirement (15.3 vs 18.5). On price, rating, 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
Both are free to download. Swell Scope sells 3 in-app purchases, starting at $2.99 per month. playbuoy asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for playbuoy against 4.9 for Swell Scope. Both are backed by a comparable volume of ratings — 15 and 48 respectively. Written reviews are what separate them: 100% of playbuoy's written reviews are positive against 92% of Swell Scope's.
playbuoy ships an update every 2 weeks, Swell Scope monthly. The most recent releases landed on September 17, 2026 and October 14, 2026 respectively.
| Parameter | playbuoy | Swell Scope |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (15 ratings) — better | 4.9 (48 ratings) |
| Positive reviews | 100.0% of reviews — better | 92.0% of reviews |
| Number of ratings | 15 | 48 — better |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 18.5 | 15.3 — better |
| Further details — not scored | ||
| Size | 21 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthew Iannucci | Flockatoo Tech Pty Ltd |
Customer experience
playbuoy
Swell Scope
In-app purchases
playbuoy
No in-app purchases
Swell Scope
- Unlimited Access14 Days trial$2.991 Month
- Unlimited Access1 Month trial$24.991 Year
- Lifetime Unlimited Access$49.99








