Comparison

TidalWatch vs SurfTideWatch (Tide graph)

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

Head to head
About

TidalWatch

This app provides tide charts and barometric pressure forecasts for over 300 locations in Japan. Quickly check tide times and conditions directly on your Apple Watch, ideal for fishing, surfing, or shellfish gathering without needing your iPhone.

Highlights
  • Apple Watch tide charts
  • Barometric pressure forecasts
  • Over 300 Japanese locations
  • Tide and high/low tide times
  • Quick access on Apple Watch
Features
Read full description

AppleWatch対応のタイドグラフ(潮汐表)アプリです。 日本国内約300のポイントの潮汐表と1週間以内の気圧の予測を確認できます。 AppleWatchのスクリーンで潮汐表、満干潮時刻などを素早く確認できます。 釣りやサーフィン・潮干狩りの最中に潮回りが気になっても、いちいちiPhoneを取り出さずにAppleWatchで潮見表を見ることができます。 羽田のポイントは制限なく潮汐表を閲覧いただけます。 その他のポイントについては有料です。 ・各県年間(1年ごとの定期購読)ライセンス 120円 ・各地方年間(1年ごとの定期購読)ライセンス 240円 ・全国年間(1年ごとの定期購読)ライセンス 600円 ライセンスの価格につきましては、変更になる可能性があります。 必ず購入画面でご確認のうえ、ご購入をお願いいたします。 ・ライセンス課金は自動継続課金機能(Auto Renewable Subscription)を利用しております。 ・ライセンス期間の終了日の24時間以上前に自動更新を解除しない限り、会員期間が自動更新されます。 ・自動更新される際の課金は有効期間終了の24時間前から終了までの間に行われます。 ・iTunesアカウントに課金されると該当する県・地方・全国の潮汐表が閲覧いただけます。 【利用中のライセンスの確認・退会(自動更新の解除)方法】 利用中のライセンス状況の確認と退会は下記より可能です。 1. App Storeアプリを開く 2.「おすすめ」タブの最下部までスクロール 3.「Apple ID/アカウント」を選択 4.「購読/管理」を選択 次回の自動更新日時の確認や、自動更新の解除・設定はこの画面にてお願いいたします。 iTunesからも同様の確認や自動更新の解除・設定が可能です。 「App Store」から自動更新をオフにすることで、年間ライセンスの解約ができます。 初回起動時は気圧の予測グラフを表示するまでに時間がかかります。

About

SurfTideWatch (Tide graph)

Visualize tide graphs and astronomical events for marine sports. Select from thousands of global tide points and synchronize data to your Apple Watch. Customize place names and utilize complications for quick access to tide information.

Highlights
  • Tide graph visualization
  • Global tide point selection (10,000+)
  • Synchronization with Apple Watch
  • Customizable place names
  • Astronomical event display (sunrise, sunset)
  • Apple Watch complications support
Features
Read full description

"SurfTideWatch" is an app that show a tide graph on Apple Watch. It can be able to select the places to use from about 10,000 tide points around the world on iPhone and synchronize with Apple Watch. You can select from the map a tide place. Also you can change the place name to make it easier to understand. It can store up to 5 places on Apple Watch. It can be saved is for 2 weeks of tide data, but it can be updated from your iPhone at any time. It can be shown graphically and you can check astronomical events such as sunrise, sunset, high tide, low tide and more infomation. It also supports watch's complications. Some complications can display the next tide event information. The following is a simple method for creating tide data on your iPhone. For details, check to "Help & Support" from "Settings" in the app. ----- 1, Tap the "+" button at the bottom right of the main screen 2, Select which area tide places will be shown on the map You can choose from the following 7 areas. - U.S. Upper East Coast (Maine through Virginia) - U.S. Lower East Coast (North Carolina through Florida Keys) - U.S. Gulf Coast (East to West) - U.S. West Coast (North to South) - Northern sites outside contiguous U.S. (except Japan) - Southern sites outside contiguous U.S. - Japan and nearby sites When the selection is over, it will be the map screen It takes some time to process the first time. 3, Tap the map pin shown on the map and select the place to register Places that are close together are clustered. Clustering is released when you zoom the map. You can select multiple places. 4, Tap the "+" navigation button at the top right of the map screen and to return to the main screen 5, Tap "Update All" on the right side of the screen to get tide data This takes a little time. The operation up to this point , the preparation of tide data is complete. Finally, send the tide data to your Apple Watch. If Apple Watch is connected to iPhone, tap "≪" at the top center of the screen to synchronize. If it is not connected, tap "Save to iCloud". In this case, Apple Watch will automatically sync when it comes online. ----- Note: This app is an app for showing a tide information on Apple Watch. It cannot show tide data on the iPhone alone. This app can be used for marine sports such as surfing and fishing, but please do not use it for nautical purposes. To use iCloud, you must be signed in to iCloud on your iPhone.

Screenshots

TidalWatch4 screens
SurfTideWatch (Tide graph)4 screens

Verdict

The call

The clearest difference is in-app purchases: SurfTideWatch (Tide graph) at none against TidalWatch's 20. SurfTideWatch (Tide graph) also leads on review sentiment (24% vs 0%). TidalWatch's advantage is ads (none vs shown) and iOS requirement (9.0 vs 13.2). 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. TidalWatch sells 20 in-app purchases, starting at $0.99 per year. SurfTideWatch (Tide graph) asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

Scorecard5 real differences · 5 level
TidalWatch versus SurfTideWatch (Tide graph): the parameters behind the verdict, then further details
ParameterTidalWatchSurfTideWatch (Tide graph)
PriceFreeFree
Rating—3.6 (8 ratings) — better
Positive reviews0.0% of reviews24.4% of reviews — better
Number of ratings—8 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPod, Apple WatchiPhone, iPod, Apple Watch
Requires iOS9.0 — better13.2
Further details — not scored
Size53 MB27 MB
Age rating4+4+
DeveloperShinichi HISAMATSUMitsuhiro Shirai

Customer experience

TidalWatch

Written reviews8 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

SurfTideWatch (Tide graph)

All ratings8 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews41 reviews
Positive24.4%
Neutral12.2%
Negative63.4%

In-app purchases

20 purchases

TidalWatch

Subscriptions20
  • 福島県 年間ライセンス$0.991 Year
  • 千葉県 年間ライセンス$0.991 Year
  • 福岡県 年間ライセンス$0.991 Year
Show 17 more
  • 佐賀県 年間ライセンス$0.991 Year
  • 長崎県 年間ライセンス$0.991 Year
  • 熊本県 年間ライセンス$0.991 Year
  • 大分県 年間ライセンス$0.991 Year
  • 宮崎県 年間ライセンス$0.991 Year
  • 鹿児島県 年間ライセンス$0.991 Year
  • 沖縄県 年間ライセンス$0.991 Year
  • 年間ライセンス 北海道$0.991 Year
  • 北海道地方 年間ライセンス$1.991 Year
  • 北海道・東北地方 年間ライセンス$1.991 Year
  • 関東・信越地方 年間ライセンス$1.991 Year
  • 北陸・東海地方 年間ライセンス$1.991 Year
  • 近畿地方 年間ライセンス$1.991 Year
  • 四国地方 年間ライセンス$1.991 Year
  • 中国地方 年間ライセンス$1.991 Year
  • 九州・沖縄地方 年間ライセンス$1.991 Year
  • 年間ライセンス 全国$4.991 Year
None

SurfTideWatch (Tide graph)

No in-app purchases

Questions

Is TidalWatch free?
TidalWatch is free to download, with in-app purchases available.
Is SurfTideWatch (Tide graph) free?
SurfTideWatch (Tide graph) is free to download, with no in-app purchases.
Do TidalWatch or SurfTideWatch (Tide graph) have ads?
SurfTideWatch (Tide graph) shows ads; TidalWatch does not.
Which is updated more often, TidalWatch or SurfTideWatch (Tide graph)?
TidalWatch ships an update every 3 weeks, and SurfTideWatch (Tide graph) every 3 weeks. Most recently, TidalWatch was updated on October 12, 2026 and SurfTideWatch (Tide graph) on October 20, 2026.

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