Clam Tide vs Second Sense
Price, ratings, monetisation and update history for both apps, side by side β 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/
Second Sense
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Can you feel one second without watching a clock? Tap to start, then tap again to stop. Or press, hold, and release. Second Sense shows how early or late you were. Start with one second, choose a target from 1 to 60 seconds, or try a fresh set of daily challenges. Turn on Assist when you need a guide. Explore recent sessions, timing trends, and personal bests to discover your patterns and consistency. Choose from a range of visual themes. Some themes are available as separate one-time purchases.
Screenshots
Verdict
The clearest difference is iOS requirement: Second Sense at 15.0 against Clam Tide's 17.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Clam Tide sells 1 in-app purchase, starting at $4.99 per month and Second Sense sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | Clam Tide | Second Sense |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 15.0 β better |
| Further details β not scored | ||
| Size | 30 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | JUHWAN PARK | QuantumCola (Hangzhou) Technologies Co.,Ltd. |
In-app purchases
Clam Tide
- Pro β Full Access7 Days trial$4.991 Month
Second Sense
- Glossy Y2K Theme$1.99
- Blueprint Theme$1.99
- Risograph Theme$1.99
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- Cyberpunk Theme$2.99
- Four-Theme Starter Pack$5.99









