TN vs SAMUDRA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TN
Receive timely weather alerts and advisories for specific areas based on forecasts. This app provides different sound notifications for various alert levels and can override silent mode for emergencies. Users can also submit feedback on flood risk alerts.
- Multi-hazard impact assessment
- Weather forecast integration
- Disseminates alerts and advisories
- Customizable sound alerts for push notifications
- Flood risk alerts with user feedback
- Emergency alert override for silent mode
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TN SMART (TamilNadu System for Multi-hazard potential impact Assessment and emergency Response Tracking) is a web-based system to utilize weather forecast products to assess potential impacts, and evaluate and disseminate impact management options with a robust data management system for managing and processing weather, disaster risk and emergency response resources data. The system shall disseminate alerts and advisories to registered users through this app designed to inform specific target areas based on early warning priorities. App gives different sound alerts for push notification to varied level of weather alerts. User gets flood risk alerts based on the forecast of their location and can submit the feedback on it to back the system. Important : This app will override the ringtone and sound settings of your mobile. So that when emergency alert is sent even though the mobile is in Silent mode it changes to Ringing mode and gives the sound.
SAMUDRA
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“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).
Screenshots
Verdict
The clearest difference is update cadence: SAMUDRA at every 3 months against TN's every 11 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TN ships an update every 11 months, SAMUDRA every 3 months. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.
| Parameter | TN | SAMUDRA |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| Update frequency | Every 11 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 199 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Rimes | INCOIS |
In-app purchases
TN
No in-app purchases
SAMUDRA
No in-app purchases








