PredictCurrent vs Spearo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PredictCurrent
Navigate coastal waters with detailed tidal and ocean current maps. Access 10-day forecasts for currents, wind, waves, and sea temperatures. Essential for safe marine planning and exploration.
- Ultra-high-resolution 100m tidal current maps
- 400m and 4km global coastline coverage
- 10-day animated forecasts for currents, wind, and waves
- Hourly tide chart data
- Wind-against-current interaction analysis
- Sea temperature tracking
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Navigate coastal adventures with precision using real-time tidal current data from PredictWind. PredictCurrent delivers ultra-high-resolution 100m tidal current maps, plus 400m and 4km maps covering 90% of global coastlines. It also includes full ocean current coverage, empowering fishermen, sailors, and coastal explorers with essential tools for current tracking, tide planning, and marine navigation. Developed by PredictWind’s expert oceanographers, trusted globally for industry-leading forecasting, PredictCurrent supports confident and safe coastal navigation for boating, fishing, sailing, and kayaking. Why PredictCurrent - Unrivalled Precision: Ultra-high-resolution 100m tidal current maps provide unmatched detail for coastal tide planning, ideal for fishing, sailing, or paddle sports. Also includes 400m and 4km resolution maps. - Trusted Expertise: Built by PredictWind, pioneers in marine and ocean current forecasting, delivering professional-grade data. - Comprehensive Tracking: Monitor tidal currents, ocean currents, winds, waves, and sea temperatures with animated maps and hourly tide chart data for 10 days. - Coastal Navigation: Join fishermen, sailors, kayakers, and coastal explorers worldwide who rely on PredictWind’s marine weather and current data for informed navigation. Key Features - Ultra-High-Resolution 100m Tidal Current Maps: Visualise intricate nearshore water current movements with clarity, ideal for coastal navigation, route planning, and safety. - High-Resolution 400m & 4km Maps: Access tide and ocean current coverage for 90% of global coastlines, seamlessly integrated with live ocean current data. - Advanced Dashboard: Analyse wind-against-current interactions, wave heights, tide cycles, and directions using accurate ECMWF wind forecasts. - Animated 10-Day Forecasts: View dynamic tidal currents, ocean currents, wind, waves, and sea temperature forecasts on interactive marine maps. - Detailed Data Tables: Access hourly data on current speed and direction, plus alerts for wind-against-current situations. Tailored for fisherman, sailors, kayakers, and coastal adventurers, PredictCurrent offers essential tools for safe marine planning—backed by PredictWind’s proven ocean data and current tracking accuracy. Start with a 14-day free trial. Access ultra-high-resolution tidal current data, tide charts, ocean current forecasts, wind, waves, and sea temperature tools for your next coastal journey. Terms & Conditions: https://www.predictcurrent.com/terms-and-conditions Privacy Policy: https://www.predictcurrent.com/privacy-policy
Spearo
Get a clear go/no-go verdict for spearfishing and freediving with consolidated sea conditions. Predicts water visibility, tides, swell, wind, and temperature for over 1,100 coastal cities.
- Go/no-go dive verdict
- Water visibility forecast
- Tides, swell, wind, temperature curves
- Mapped dive spots
- Custom point forecasts
- Home and lock screen widgets
- Smart alerts
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No ads, no sign-up. Offline, you still see the last forecast loaded for cities and points you've already opened. See whether it's worth getting in the water today. Spearo (spearo.app) covers spearfishing and freediving in 2,600+ coastal cities across 60+ countries. The forecast comes from our own ML model, which weighs dozens of factors, including swell, wind, tides, rain and water temperature. Most of us check three or four apps before a dive: wind in one, swell in another, tides in a third. Then we drive to the beach and find murky water anyway. Spearo checks swell height and period, wind, visibility and tides to give you a daily verdict before you leave home. Green: there's a window to dive today, and you can see which hours. Yellow: borderline. There's less time to dive and less room for error. Red: there's a good reason to wait, and Spearo shows the next good day. Water visibility forecast Spearo predicts visibility on your coast in meters. Our own ML model works it out from dozens of factors, including swell, wind, tides, rain and water temperature, so a stirred-up sea won't surprise you at the entry point. Murky water doesn't always mean there are no fish, and whether you go in is up to you. Seafloor map & no-take zones A satellite map of your coast with depth contours, plus seafloor detail where we have it, so you can read the bottom before you get in. Marine reserves and no-take zones in 25 countries are marked on the map. They're shown for information only, so always check the current local rules. Tides, swell & wind An hourly marine forecast: wave height, swell period, wind speed and gusts, water temperature, visibility and an hourly tide chart. It runs up to 7 days ahead. The first days are free and the full week comes with Pro. Spearfishing spots 8,000+ mapped spots along the coast (reefs, wrecks and ledges), each with its own forecast. Some spot forecasts require Pro or Ultra. My points Save your own points anywhere on the map: 3 free, 5 with Pro, 10 with Ultra. A reef, a drop-off, a mark you keep to yourself. Spearo builds a full 7-day forecast for those exact coordinates. Dive log After a dive, note what the water was really like: first how well the forecast matched, then visibility in meters, waves and fish activity. Over time you'll see how your spot behaves. Home Screen and Lock Screen widgets Put the week strip and the verdict on your Home Screen, and see today's answer on your Lock Screen. Home Screen widgets can follow your city or any saved point. Alerts A short morning digest for your city or your points, and a heads-up when today's verdict is green at a point you follow. Alerts for one location are free; follow more with Pro. You can manage the morning digest and dive alerts in Settings. Fish & safety Local fish species, minimum sizes where available, and official sea warnings where they're issued. Who it's for Spearfishing · freediving · apnea · snorkeling · open-water swimming · kayak & SUP · rock and shore fishing. For anyone who wants to know what the sea is doing before getting in. Coverage 60+ countries, 2,600+ coastal cities: Portugal, Spain, Italy, Greece, Croatia, France, Turkey, USA, Mexico, Brazil, Chile, Peru, Argentina, Australia, New Zealand, South Africa, the Philippines and more. Spearo is available in 9 languages. Some features require a Spearo Pro subscription. Subscriptions renew automatically through the App Store unless canceled. You can manage them in your Apple Account settings. The yearly Pro plan comes with a 7-day free trial; other plans have no trial. If you start it, cancel in your Apple Account settings at least 24 hours before it ends and you won't be charged. Forecast limits A forecast is a guide and it can be wrong. Check conditions on site, respect local rules and seasons, and never dive alone. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: PredictCurrent at 57% against Spearo's 0%. PredictCurrent also leads on rating (4.5 vs 2.2) and ratings volume (266 vs 5). Spearo's advantage is in-app purchases (none vs 5) and update cadence (every 2 days vs monthly). On price, ads, chart position 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. PredictCurrent sells 5 in-app purchases, starting at $15.00 per month. Spearo asks for nothing beyond the download.
PredictCurrent holds the better App Store score, 4.5 against 2.2. That said, the two scores are not equally well evidenced: PredictCurrent has 266 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 57% of PredictCurrent's written reviews are positive against 0% of Spearo's.
PredictCurrent ships an update monthly, Spearo every 2 days. Both last shipped on October 20, 2026.
| Parameter | PredictCurrent | Spearo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (266 ratings) — better | 2.2 (5 ratings) |
| Positive reviews | 56.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 266 — better | 5 |
| Update frequency | Monthly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #62 — better | #129 |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 50 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | PredictWind Limited | Diana Dryn |
Customer experience
PredictCurrent
Spearo
Bugs and requests
PredictCurrent
Reported bugs
8 issues- Unable to add location error messages despite valid coordinates
- Location setup fails to respond or complete
- Password not saved correctly in database, preventing login
- Account creation fails with character handling errors
- App crashes when setting locations
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- Free trial access inconsistent across devices
- iPad version blocks access to charts despite iPhone trial access
- Data unavailable errors at valid deep water locations
Requested features
9 requests- Extended forecast data for full 24-hour next day coverage
- Smaller time increment stepping (sub-hourly) for racing
- Exact tide turn time information beyond hourly data
- Legend/symbol guide for app indicators
- Improved coastal and estuarine modeling
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- Better 100m resolution coverage beyond UK Solent region
- Cross-platform synchronization between iPhone and iPad
- Offline access to saved locations
- Multi-language support (German, French, etc.)
Spearo
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PredictCurrent
- PredictCurrent Pro 1-Month14 Days trial$15.001 Month
- PredictCurrent Pro 3-Monthly14 Days trial$29.003 Months
- PredictCurrent Pro 3-Monthly3 Days trial$29.003 Months
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- PredictCurrent Pro 3-Monthly7 Days trial$29.003 Months
- PredictCurrent Pro Annual14 Days trial$99.001 Year
Spearo
No in-app purchases









