Clam Tide vs Shromu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clam Tide
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Going clam digging? Stop reading raw tide charts and doing the math in your head. Clam Tide turns today's tide into a clear go-or-skip call for the species you're after, on the beach you dig. Low tide alone doesn't mean a good dig. Every species sits at a different depth and needs a different tide height before its bed is even reachable, and the best time to arrive is usually an hour or two before the low, not the low itself. HOW IT WORKS 1. Pick your target species and your beach. 2. Clam Tide reads today's tide curve for that beach. 3. You get a Dig Score, your suggested arrival time, and how long the window stays open. It takes a few seconds to set up. No account required. CORE FEATURES Dig Score A simple GO, CAUTION, or SKIP for today, with the reason in one line: how low the tide goes, how long the window lasts, day or night, and the tidal coefficient. Species-Aware Windows Different clams, different rules. Clam Tide knows that a shallow species and a deep one open at different tide heights, and adjusts your window and arrival time to match. Manila, littleneck, cockle, quahog, butter, gaper, razor, and geoduck. Your Beach Save your local beach and log your trips. Clam Tide learns how your beach actually behaves and refines your window over time. PRO FEATURES Upgrade to Pro for deeper insights: - Unlimited saved beaches - 7-day dig-window forecast for trip planning - All species profiles - Window length and day or night detail for every slot - Dig-window reminders - Unlimited dig log with learned beach offset PRIVACY FIRST - No account, no login - All data stored locally on your device - Tide and sun times are calculated on-device, so the score works offline - No tracking, no ads, no third-party analytics Clam Tide provides tide-based timing guidance based on tidal estimates. It is not a substitute for local shellfish regulations, beach-closure notices, biotoxin advisories, or your own judgment about surf safety. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Shromu
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Shromu is next-generation quiet hunting: a mushroom radar and forecast heatmap. First the index, then the woods — not kilometres on foot at random. Don’t search blind — plan with the forecast. FREE • On-device forest habitat map — download your region in Settings → Forest maps • Forest maps for Europe, the Caucasus, Türkiye, Korea, the USA, Canada, Latin America, Australia and New Zealand • Field guide for 60 species with local names and deadly-lookalike warnings • Offline maps in the woods — no account, no signal required • Your places go nowhere: saved spots and marks stay on this device. No Shromu account. SHROMU PRO • Smart AI forecast: habitat × recent weather (Dynamic) • Terrain moisture and 14-day rain layers • Weekend and 7-day map horizons • 7-day forecast for any spot you tap • Flush alerts for saved spots Languages (in-app): English, Ukrainian, Polish, Czech, German, French, Italian, Spanish, Portuguese, Slovak, Hungarian (Settings). Weather: Open-Meteo. The index forecasts growing conditions — not a promise of a full basket. SUBSCRIPTIONS PRO Monthly — 1 month, ~$2.49 USD (product: com.app.mushroom.pro.season). PRO Yearly — 1 year, ~$12.99 USD, 1-week free trial (product: com.app.mushroom.pro.yearly). Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. Manage or cancel in Settings → Apple ID → Subscriptions. Any unused portion of a free trial is forfeited when you purchase a subscription. Prices may vary by storefront. LEGAL WARNING: Mushrooms can be poisonous. Shromu forecasts growing conditions only — not an edibility guide and not an “edible-only” map. The app does not guarantee finds and takes no responsibility for identification or consumption. Never eat a wild mushroom without certain ID. Privacy Policy: https://datatch.com/apps/shromu/privacy/ Terms of Use (EULA): https://datatch.com/apps/shromu/terms/ Support: https://datatch.com/apps/shromu/support/
Screenshots
Verdict
Clam Tide and Shromu are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Clam Tide sells 1 in-app purchase, starting at $4.99 per month and Shromu sells 3 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Clam Tide | Shromu |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | JUHWAN PARK | Denys Hlova |
In-app purchases
Clam Tide
- Pro — Full Access7 Days trial$4.991 Month
Shromu
- PRO Monthly$2.491 Month
- PRO Yearly7 Days trial$12.991 Year
- PRO Lifetime$29.99









