Comparison

PredictCurrent vs Nullschool

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Currently charting
Read full description

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

About

Nullschool

Visualize global weather, ocean, and pollution data on an interactive map. Explore current conditions, forecasts up to 5 days, and historical data. Discover atmospheric phenomena like hurricanes, jet streams, and pollution spread.

Highlights
  • Interactive animated global map
  • Wind, ocean, and pollution layers
  • Current conditions and 5-day forecasts
  • Historical data access
  • Aurora and wildfire tracking
  • Subscription for extra features
Features
Read full description

The official app of the popular website earth.nullschool.net! Explore wind, weather, ocean, and pollution conditions, as forecast by supercomputers, on an interactive animated map. Numerous features are available: - Current conditions, forecasts up to 5 days (depending on the data source), and historical data going back many years - Physical layers: wind, temperature, relative humidity, wet bulb temperature, precipitation, MSLP, CAPE, and more - Chemistry and aerosol layers: PM 2.5, CO2, sulfate, and other pollutants - Ocean layers: waves, currents, swells, sea surface temps, coral bleaching - Aurora - Wildfires Explore Earth's atmosphere and oceans wherever your curiosity takes you: - Watch how hurricanes and typhoons form and pull heat from the ocean - See the jet stream and polar vortex - Follow the Kuroshio, Alguhas, and Gulf Stream - Learn how pollution spreads across the globe This app offers paid subscriptions so you can help Nullschool keep the lights on and develop new features. Plus, you get some neat extras: - Curate a gallery of favorites - Save and share screenshots - Generate QR codes for easy linking Who knows what you're going to find?

Screenshots

PredictCurrent4 screens
Nullschool4 screens

Verdict

The call

The clearest difference is review sentiment: Nullschool at 100% against PredictCurrent's 57%. Nullschool also leads on rating (5.0 vs 4.5). PredictCurrent's advantage is ratings volume (255 vs 27). On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PredictCurrent sells 5 in-app purchases, starting at $15.00 per month and Nullschool sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Nullschool holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: PredictCurrent has 255 ratings behind it against 27, 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 100% of Nullschool's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. Both last shipped on September 23, 2026.

Scorecard3 real differences · 8 level
PredictCurrent versus Nullschool: the parameters behind the verdict, then further details
ParameterPredictCurrentNullschool
PriceFreeFree
Rating4.5 (255 ratings)5.0 (27 ratings) — better
Positive reviews56.6% of reviews100.0% of reviews — better
Number of ratings255 — better27
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
Best chart rank#85#48 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size50 MB31 MB
Age rating4+4+
DeveloperPredictWind LimitedNullschool Technologies Inc.

Customer experience

PredictCurrent

All ratings255 ratings
Positive85.9%
Neutral2.7%
Negative11.4%
Written reviews76 reviews
Positive56.6%
Neutral0.0%
Negative43.4%

Nullschool

All ratings27 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews17 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
Show 3 more
  • 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
Show 4 more
  • 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.)

Nullschool

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

PredictCurrent

Subscriptions5
  • 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
Show 2 more
  • PredictCurrent Pro 3-Monthly7 Days trial$29.003 Months
  • PredictCurrent Pro Annual14 Days trial$99.001 Year
3 purchases

Nullschool

Subscriptions3
  • Monthly Plan$2.991 Month
  • Annual Plan$29.991 Year
  • Friends of Nullschool$49.991 Year

Questions

Is PredictCurrent free?
PredictCurrent is free to download, with in-app purchases available.
Is Nullschool free?
Nullschool is free to download, with in-app purchases available.
Which has better reviews, PredictCurrent or Nullschool?
Nullschool is rated higher. PredictCurrent averages 4.5 out of 5 from 255 ratings, while Nullschool averages 5.0 from 27 ratings.
Do PredictCurrent or Nullschool have ads?
Neither PredictCurrent nor Nullschool shows ads.
Which is updated more often, PredictCurrent or Nullschool?
PredictCurrent ships an update monthly, and Nullschool monthly. Most recently, PredictCurrent was updated on September 23, 2026 and Nullschool on September 23, 2026.
Which is more popular, PredictCurrent or Nullschool?
PredictCurrent currently peaks at #85 in the App Store charts, and Nullschool at #48. Chart position reflects recent download velocity rather than total install base.

Other comparisons