Comparison

Tide and Weather vs 海天気.jp

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

Head to head
About

Tide and Weather

This application provides tide graphs and forecasts for over 340 locations across Japan. It's designed for marine sports enthusiasts, offering data on tides, moon phases, and sunrise/sunset times. Users can also view weather maps to plan their activities.

Highlights
  • Tide graphs
  • High and low tide times
  • Moon image
  • Tide data
  • Sunrise/sunset times
  • Moonrise/moonset times
  • Weather map
Features
Read full description

SurfTide7 is tide graph app. You can check a tide about 340 location in japan. You can use this app for marine sports such as surfing, windsurfing and fishing. This is forecast data. Please use this at your own risk. All predicted data of this app is not guaranteed. FUNCTION: - TIde graph - Time of hi and low tide - Moon Image - Tide datas - Sunrise / Sunset - Moonrise / Moonset - Show weather map

About

海天気.jp

Get detailed, hourly weather forecasts for over 8,000 marine spots, including wind, temperature, and wave height. Visualize precipitation with clear icons and access 14-day outlooks for planning. Also provides city-level forecasts and rain cloud movement.

Highlights
  • Hourly forecasts for 8,000+ marine spots
  • Up to 84-hour pinpoint weather predictions
  • 14-day weather outlooks
  • Rain cloud and lightning movement visualization
  • Tide graphs and sea temperature maps
  • City-level weather forecasts
  • Favorite spot bookmarking
Read full description

全国8,000箇所以上のマリンスポットの、最大84時間先までのピンポイント天気、風、気温、波の高さの予報を1時間ごとの時系列で表示します。降水量は1mm未満までわかりやすい傘マークとともに表現しているので、どのくらいの雨が降りそうかがビジュアルで一目瞭然! ■海スポットならではの情報が満載 沖合いの波高推移や潮汐データ(タイドグラフ)、海水温分布図、潮流のアニメーションなど、マリンアクティビティにマストな情報を網羅。 ■14日間天気予報 14日(2週間)先までの天気予報を、3時間毎の時系列で提供。マリンレジャー計画に役立つ天気の流れの把握に! ■マリンスポット周辺の雨雲/雷の動き 雨雲の動きを過去、未来(6時間先)まで動画にてビジュアル再生。空の雲行きが怪しくなってきたら、すかさず雨雲/雷の動きをチェックしてください。 ----さらに便利な機能も!---- ■市町村ピンポイント天気予報 マリンスポットだけでなく、全国の市町村(市町村役場)単位での天気予報も、1時間毎の時系列で提供。 ~マリンレジャーシーン以外でも、買い物や通勤・通学などの日常生活でもご活用下さい~ ■マリンスポット、市町村の閲覧履歴 「閲覧履歴」から、最近閲覧したマリンスポットや市町村の履歴を一覧表示。よく見るページによりアクセスし易くなります。 ■お気に入りのマリンスポットをブックマーク「マイポイント」 あなたが良く行く複数のマリンスポットを一覧表示! スピーディーに自分の行くマリンスポットの天気チェックを可能にする機能が「マイポイント」です。 ■現在地からルート検索 現在位置情報をアプリと連携し、地図アプリでの釣りスポットまでのルート検索可能。

Screenshots

Tide and Weather3 screens
海天気.jp3 screens

Verdict

The call

The clearest difference is in-app purchases: 海天気.jp at none against Tide and Weather's 1. 海天気.jp also leads on review sentiment (85% vs 70%). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tide and Weather sells 1 one-off in-app purchase. 海天気.jp asks for nothing beyond the download.

UpkeepUpdate frequency

Tide and Weather ships an update every 2 months, 海天気.jp every 4 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Tide and Weather versus 海天気.jp: the parameters behind the verdict, then further details
ParameterTide and Weather海天気.jp
PriceFreeFree
Rating5.0 (1 ratings) — better
Positive reviews70.0% of reviews85.0% of reviews — better
Number of ratings1 — better
Update frequencyEvery 2 months — betterEvery 4 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.013.0
Further details — not scored
Size8 MB37 MB
Age rating4+4+
DeveloperMitsuhiro ShiraiRisesystem, inc.

Customer experience

Tide and Weather

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews20 reviews
Positive70.0%
Neutral15.0%
Negative15.0%

海天気.jp

Written reviews20 reviews
Positive85.0%
Neutral0.0%
Negative15.0%

In-app purchases

1 purchases

Tide and Weather

One-time1
  • Delete ads$0.99
None

海天気.jp

No in-app purchases

Questions

Is Tide and Weather free?
Tide and Weather is free to download, with in-app purchases available.
Is 海天気.jp free?
海天気.jp is free to download, with no in-app purchases.
Do Tide and Weather or 海天気.jp have ads?
Both Tide and Weather and 海天気.jp show ads.
Which is updated more often, Tide and Weather or 海天気.jp?
Tide and Weather ships an update every 2 months, and 海天気.jp every 4 months. Most recently, Tide and Weather was updated on September 21, 2026 and 海天気.jp on September 10, 2026.

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