Shiomi vs TsuriDoki
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shiomi
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Shiomi brings accurate tide predictions to your fingertips with an elegant, native interface designed for iPhone, iPad, Mac, and Apple Vision Pro. INTERACTIVE MAP Explore tide stations around the world using Apple Maps. Tap any location to instantly view current tide conditions and forecasts. The intuitive map interface makes it easy to find tide information for your favorite beaches, harbors, and coastal areas. DETAILED TIDE CHARTS Visualize tide patterns with beautiful, easy-to-read charts powered by Swift Charts. See high tides, low tides, and everything in between at a glance. Plan your activities with confidence using accurate predictions. SEAMLESS EXPERIENCE • Native SwiftUI interface optimized for all Apple platforms • Support for iPhone, iPad, Mac, and Apple Vision Pro • Automatic location memory - picks up where you left off • Reverse geocoding to identify locations by name • Clean, modern design that follows Apple's design principles PERFECT FOR • Fishing enthusiasts planning their next trip • Surfers looking for optimal wave conditions • Boaters navigating coastal waters • Beachgoers timing their visit • Photographers capturing coastal scenes • Anyone who loves the ocean Whether you're a professional mariner or a casual beach visitor, Shiomi provides the tide information you need in a beautiful, easy-to-use package. Download today and stay in sync with the ocean's rhythm.
TsuriDoki
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Tide, weather, and bite score app for anglers. Real-time tide charts for 43 stations across Japan. The Bite Score combines barometric pressure, wind speed, wave height, and moon phase to tell you when the fish are biting. Features: - Tide charts with high/low tide times - Real-time weather, wind, pressure, and wave height - Bite Score (0-100) rates fishing conditions - Solunar activity periods based on moon transit - 10-day fishing forecast with daily bite scores - GPS auto-detection of nearest station - 43 tide stations nationwide Check TsuriDoki before you head out fishing.
Screenshots
Verdict
The clearest difference is device support: Shiomi at 5 against TsuriDoki's 2. On price, ads, in-app purchases and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Shiomi | TsuriDoki |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac, Apple Watch, Vision Pro — better | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | LittleApps Inc. | satoshi amasaki |
In-app purchases
Shiomi
No in-app purchases
TsuriDoki
No in-app purchases








