Comparison

TN vs SACHET

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

SACHET

Receive real-time, geo-targeted disaster alerts and weather forecasts from official government sources. Access vital resources like helpline numbers and safety guidelines in multiple Indian languages.

Highlights
  • Real-time geo-targeted disaster alerts
  • Weather reports and forecasts
  • Official government warnings
  • Helpline numbers and resources
  • Multi-language support with read-out
  • Satellite receiver connectivity
Features
Read full description

SACHET, is a disaster early warning platform envisioned by the National Disaster Management Authority (NDMA) to provide real-time geo-targeted alerts to citizens. Users can receive alerts for their current location or subscribe any state / district in India to receive alert notifications. The SACHET mobile app provides warning from authorized Government sources and authorities to warn the public of a possible disaster situation. Furthermore, the app provides weather report and forecast from Indian Meteorological Department (IMD) for day to day weather updates. The app also provides various useful resources such as Dos & Don’ts, helpline numbers, alert effected area and satellite receiver connectivity feature. The app can be used in 12 Indian languages with translation and read out facility.

Screenshots

TN4 screens
SACHET4 screens

Verdict

The call

The clearest difference is update cadence: SACHET at every 10 days against TN's every 11 months. SACHET also leads on review sentiment (56% vs 33%). On price, ads, in-app purchases and monetization model 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

TN ships an update every 11 months, SACHET every 10 days. Both last shipped on October 25, 2026.

Scorecard2 real differences · 8 level
TN versus SACHET: the parameters behind the verdict, then further details
ParameterTNSACHET
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews33.3% of reviews56.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 11 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size199 MB38 MB
Age rating4+4+
DeveloperRimesCDOT

Customer experience

TN

Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

SACHET

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews25 reviews
Positive56.0%
Neutral28.0%
Negative16.0%

In-app purchases

None

TN

No in-app purchases

None

SACHET

No in-app purchases

Questions

Is TN free?
TN is free to download, with no in-app purchases.
Is SACHET free?
SACHET is free to download, with no in-app purchases.
Do TN or SACHET have ads?
Neither TN nor SACHET shows ads.
Which is updated more often, TN or SACHET?
TN ships an update every 11 months, and SACHET every 10 days. Most recently, TN was updated on October 25, 2026 and SACHET on October 25, 2026.

Other comparisons