Tide Pro vs Tide Chart Master

Tide Pro was developed by www.9oc.net and published in September 2020. If you are into fishing, beach combing, surfing, sailing, or wild fishing, this app provides high-precision ocean weather forecasts. Main benefits: 1. Astronomical tide and currents forecast: The tide model algorithm was upgraded in January 2021, and grid precision was significantly improved compared with the previous model. Supports offline access to real-time tide and moon phase data for favorite sites. 2. 6-day storm surge forecast: Storm surge is the rise in seawater level caused solely by a storm. It is measured as the height of the water above the normal predicted astronomical tide. This model output is not total water level guidance. Total tide results from the combination of storm surge and astronomical tide. Actual water levels can be significantly higher than forecast due to waves, steric effects, and other components not currently included in this model. 3. Merged ocean currents provide a practical estimate of sea-surface velocity. The total current is obtained by adding contributions from general ocean circulation, waves such as Stokes drift, and tides, including exchange between the coast and the open sea. Supports access to the speed and direction of merged ocean currents, oceanic general circulation, sea surface height, and sea surface temperature. 4. Ocean wave forecast: Supports access to wave height, wave period, wave direction, and three categories of wave data. 5. Ocean currents forecast: Supports access to current speed, direction, temperature, and salinity data for both surface currents and currents at 50 different depths. 6. Ocean biochemistry forecast: Supports access to 10 marine biochemistry indicators, including chlorophyll, phytoplankton, pH value, and gross primary productivity. 7. Seabed elevation: Supports access to seabed elevation data. Grid precision is less than 0.5 km. 8. Weather data including water temperature and soil temperature: Supports access to water temperature and soil temperature at four different depths. Please note: We cannot guarantee the accuracy of numerical forecasts and provide this information for reference only.

The Tide Chart supports viewing tides in multiple regions around the world. Through a clear and easy-to-understand line chart, you can intuitively check the changing trend of tides. While checking the tides, it also supports viewing the 7-day weather forecast and sunrise/sunset times. It provides a variety of practical tools, including temperature measurement, humidity measurement, air quality measurement, and decibel detection. The compass helps you clearly distinguish directions and avoid getting lost when checking the tides. Subscription Instructions: -- Subscription Types: Monthly Subscription, Semi-annual Subscription, Weekly Subscription, Quarterly Subscription. -- Subscription Price: Please refer to the subscription page within the app for specific subscription prices. -- Subscription Payment: When you confirm the purchase of a subscription, the payment will be deducted and charged to your iTunes account. -- Subscription Renewal: The subscription will be automatically renewed and charged within 24 hours before the current period expires. After the charge is successful, the subscription period will be extended to the next cycle. -- Subscription Cancellation: If you need to cancel the renewal service, you must do so at least 24 hours before the end of the current subscription period. The specific steps are: open your mobile phone → enter Settings → click "Apple ID" → select the "Subscriptions" page → choose the subscription you want to cancel. Privacy Policy: https://www.yuque.com/jiangdiwangjide/iwnktm/wys3zw46efxxixfb?singleDoc# Terms of Service: https://www.yuque.com/jiangdiwangjide/iwnktm/fgfc5ghovdgo9he4?singleDoc#