CO Checker
Everyone
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Government
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1K+
Downloads
Everyone
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About this app
The CO Checker app is a public transit ticket verification tool designed to streamline the boarding process. Ticket Checkers begin by logging in with their phone number and OTP. After login, they can choose the transit (Metro, Suburban or Bus) and the verification method— by scanning a QR code. The app guides the user through camera access and QR scanning. Based on the verification result, the user sees a clear status: valid, expired, or invalid ticket.
A digital ticket verification app for public transport via QR code.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- This app may collect these data typesLocation, Personal info and 2 others
- Data is encrypted in transit
- Data can’t be deleted
What’s new
Minor Fixes and Enhancements
Everyone
Learn moreApp support
About the developer
Chennai Unified Metropolitan Transport Authority
cumtaoffice@tn.gov.in
No. 327, 4th Floor, Metros, Anna Salai,
Opposite to Tamil Nadu Power Finance & Infrastructure Develo, Nandanam
Chennai, Tamil Nadu 600035
India
+91 96299 61692
