Comparison

Tide Pro vs 中国海洋预报(公众版)

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

Head to head
About

Tide Pro

This app provides high-precision forecasts for ocean weather, including astronomical tides, storm surges, and merged ocean currents. It offers detailed data on wave conditions, ocean currents at various depths, and marine bio-chemistry. Users can also access seabed elevation and field water/soil temperatures.

Highlights
  • Astronomical tide and currents forecast
  • 6-Day storm surge forecast
  • Merged ocean-currents approach
  • Ocean wave forecast
  • Ocean currents forecast
  • Ocean bio-chemistry forecast
  • Seabed elevation data
Read full description

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.

About

中国海洋预报(公众版)

Features
Read full description

将海洋预报与地理信息技术融合,为公众用户提供基于位置服务的海洋动力环境预报和警报服务,服务范围覆盖中国及邻近周边海域。为用户提供中国沿岸及近海区域内海上任意位置24小时海洋环境预报、未来5天逐小时动力要素精细化预报、一周海况预报以及中国海域海洋环境预报,支持海洋预报信息在不同社交平台的分享与传播等。

Screenshots

Tide Pro4 screens
中国海洋预报(公众版)4 screens

Verdict

The call

The clearest difference is in-app purchases: 中国海洋预报(公众版) at none against Tide Pro's 2. 中国海洋预报(公众版) also leads on ads (none vs shown) and iOS requirement (9.0 vs 14.0). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tide Pro sells 2 one-off in-app purchases. 中国海洋预报(公众版) asks for nothing beyond the download.

UpkeepUpdate frequency

Tide Pro ships an update every 2 months, 中国海洋预报(公众版) monthly. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

Scorecard3 real differences · 7 level
Tide Pro versus 中国海洋预报(公众版): the parameters behind the verdict, then further details
ParameterTide Pro中国海洋预报(公众版)
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews37.5% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.09.0 — better
Further details — not scored
Size121 MB48 MB
Age rating4+17+
Developer娜 金National Marine Enviromental Forecasting Center

In-app purchases

2 purchases

Tide Pro

One-time2
  • 1 Month VIP$14.99
  • 1 Year VIP$49.99
None

中国海洋预报(公众版)

No in-app purchases

Questions

Is Tide Pro free?
Tide Pro is free to download, with in-app purchases available.
Is 中国海洋预报(公众版) free?
中国海洋预报(公众版) is free to download, with no in-app purchases.
Do Tide Pro or 中国海洋预报(公众版) have ads?
Tide Pro shows ads; 中国海洋预报(公众版) does not.
Which is updated more often, Tide Pro or 中国海洋预报(公众版)?
Tide Pro ships an update every 2 months, and 中国海洋预报(公众版) monthly. Most recently, Tide Pro was updated on September 19, 2026 and 中国海洋预报(公众版) on September 8, 2026.

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