Comparison

SAMUDRA vs TideSync

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

Head to head
About

SAMUDRA

Features
Read full description

“SAMUDRA” (Smart Access to Marine Users for Data Resources, and ocean Advisories) is envisaged to give an easy access for users to the ocean information and advisory services provided by The Indian National Centre for Ocean Information Services (INCOIS) (under the Ministry of Earth Sciences, Government Of India). The app empowers users with real-time updates and critical alerts on oceanic disasters such as tsunamis, high waves, swell surge alerts, and ocean current alerts etc. ensuring that individuals and communities stay informed to take necessary precautions. The app also offers invaluable services to the fishing community, providing PFZ advisories that guide fishermen to the most probable fish aggregation locations thereby maximising catch rates, and improving livelihoods. Furthermore, the mobile app provides a five-day advanced OSF, predicted tides along the coast etc. enabling mariners, fishermen, and coastal communities to plan their activities in advance, mitigating risks and optimising operations based on predicted ocean conditions. The app has interactive maps, charts, and animations that enhance comprehension of complex oceanic phenomena. The application is now available in English, Hindi and Indian coastal languages (Gujarati, Marathi, Kannada, Malayalam, Tamil, Telugu, Odia, and Bengali).

About

TideSync

This utility tool provides precise marine data for ocean enthusiasts, including tides, weather, and solunar information. It offers offline global data and a native, interactive user experience.

Highlights
  • Global offline tide data
  • Pro marine weather charts
  • Interactive forecast charts
  • Solunar timings and moon phases
  • Native iOS experience
  • Haptic feedback
Features
Read full description

Sync with Nature TideSync is a pure utility tool crafted for ocean enthusiasts. Whether you are surfing, beachcombing, or sailing, we are dedicated to providing you with the most precise and fluid marine data experience. Stripping away the complexity, we utilize native iOS technologies to create a seamless interactive experience. Glide your finger across the screen to feel the rhythm of the tides. Key Features - Global Offline Data - No Internet Needed: Built-in harmonic constant database for 7,000+ major ports and stations worldwide. Accurate tide data is available anytime, anywhere, even offshore or on remote islands. Privacy First: All calculations are performed locally. Your location is used solely to find the nearest station and is never uploaded to the cloud. - Pro Marine Weather - Multi-Dimensional Charts: More than just tide heights. We provide critical data including Air Temperature, Wind Speed, Gusts, Swell, Ocean Currents, Water Temperature, UV Index, Humidity, Precipitation, Visibility, and Barometric Pressure. Dynamic Interaction: Master sea conditions with intuitive Interactive Charts. Drag the cursor to view detailed forecasts for any future moment. - Solunar Info - Precise Timings: Accurate Sunrise/Sunset and Moonrise/Moonset times. Moon Phase: Visual moon phase tracking helps you understand spring and neap tide cycles, aiding in planning your beach trips and fishing activities. - Native Experience - Ultra-Smooth: Built with native Swift for lightning-fast launch times and a lightweight footprint. Haptic Feedback: Experience physical-like vibrations when interacting with charts, thanks to our custom Haptic Feedback integration. Perfect For Surfing: Find the perfect swell window. Beachcombing: Know exactly when low tide hits to explore the intertidal zone. Sailing: Offline chart-grade data for safe navigation. Photography: Catch the golden hour and blue hour over the ocean. Download TideSync today and sync with the pulse of the ocean.

Screenshots

SAMUDRA4 screens
TideSync4 screens

Verdict

The call

The clearest difference is update cadence: TideSync at every 3 weeks against SAMUDRA's every 3 months. SAMUDRA's advantage is iOS requirement (14.0 vs 26.2). 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

SAMUDRA ships an update every 3 months, TideSync every 3 weeks. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

Scorecard2 real differences · 8 level
SAMUDRA versus TideSync: the parameters behind the verdict, then further details
ParameterSAMUDRATideSync
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better26.2
Further details — not scored
Size55 MB17 MB
Age rating4+4+
DeveloperINCOISXinyu Hong

In-app purchases

None

SAMUDRA

No in-app purchases

None

TideSync

No in-app purchases

Questions

Is SAMUDRA free?
SAMUDRA is free to download, with no in-app purchases.
Is TideSync free?
TideSync is free to download, with no in-app purchases.
Do SAMUDRA or TideSync have ads?
Neither SAMUDRA nor TideSync shows ads.
Which is updated more often, SAMUDRA or TideSync?
SAMUDRA ships an update every 3 months, and TideSync every 3 weeks. Most recently, SAMUDRA was updated on September 18, 2026 and TideSync on September 13, 2026.

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