Comparison

SurfTideWatch (Tide graph) vs Surf Rack

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

Head to head
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.

About

Surf Rack

Features
Read full description

サーフィンするには必要なのは「波」「自分」と「サーフボード」だけ! サーファーであれば自分のパーフェクトボードを見つけるのは一生の楽しみ、そしてそのボードに巡り合うまで、様々なボードを試したいと思ってる人もいるだろう。 ただ、買った全てのボードを保持するのも難しく場所的にも。。。 そんな時、簡単にサーファーならでは知りたい情報をまとめて掲載し販売が可能になります!そして、暇な時インスタグラムを見る感覚で全国で売られているサーフボードを閲覧できます!

Screenshots

SurfTideWatch (Tide graph)4 screens
Surf Rack4 screens

Verdict

The call

The clearest difference is update cadence: SurfTideWatch (Tide graph) at every 3 weeks against Surf Rack's every 2 months. SurfTideWatch (Tide graph) also leads on iOS requirement (13.2 vs 15.1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SurfTideWatch (Tide graph) ships an update every 3 weeks, Surf Rack every 2 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 8 level
SurfTideWatch (Tide graph) versus Surf Rack: the parameters behind the verdict, then further details
ParameterSurfTideWatch (Tide graph)Surf Rack
PriceFreeFree
Rating3.6 (8 ratings) — better—
Positive reviews24.4% of reviews—
Number of ratings8 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS13.2 — better15.1
Further details — not scored
Size27 MB63 MB
Age rating4+17+
DeveloperMitsuhiro ShiraiOCEAN LIBERTA LIMITED LIABILITY CO.

In-app purchases

None

SurfTideWatch (Tide graph)

No in-app purchases

None

Surf Rack

No in-app purchases

Questions

Is SurfTideWatch (Tide graph) free?
SurfTideWatch (Tide graph) is free to download, with no in-app purchases.
Is Surf Rack free?
Surf Rack is free to download, with no in-app purchases.
Do SurfTideWatch (Tide graph) or Surf Rack have ads?
Both SurfTideWatch (Tide graph) and Surf Rack show ads.
Which is updated more often, SurfTideWatch (Tide graph) or Surf Rack?
SurfTideWatch (Tide graph) ships an update every 3 weeks, and Surf Rack every 2 months. Most recently, SurfTideWatch (Tide graph) was updated on September 23, 2026 and Surf Rack on September 18, 2026.

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