10 apps.A family ofpossibilities.

From learning moments to everyday needs. Discover the apps from the KalviYogi and 369 Tesla family, and the purpose behind each one.

Find your next app

Individual purposes. One growing family.

An app for your kind of day.

Every app begins with a different purpose. Take a closer look, then choose the one that fits your day.

Short lessons

Kalviyogi shorts

Closed testing

Return to a concept in a short study break. Explore Tamil and English learning videos and revision from the KalviYogi Shorts platform.

Test access required

Ask for test access
Digital reading

Book Kalviyogi

Live on Google Play

Bring your reading into one organised library. Read PDFs and image-based books, with offline access for time away from an internet connection.

Exam practice

Kalviyogi TRB CSI

Live on Google Play

Make practice part of your preparation. A dedicated app for TRB Computer Instructor exam practice, alongside your lessons and revision.

Audio learning

kalviyogi

Live on Google Play

Give your learning another voice. Listen to Tamil audio lessons for TNPSC, TRB and government-exam preparation alongside your reading.

Communication

YogiChat

Closed testing

Connect. Learn. Grow. Meet the communication app in our family, currently in closed testing. Ask our team about the latest test build and access.

Test access required

Ask for test access
In testing

Bodi Connect

Closed testing

Another part of our growing app family. Bodi Connect is currently in closed testing; our team can share the latest app details and access information.

Test access required

Ask for test access
Structured preparation

YOGI EXAM OS

Live platform

Give each topic a study workflow. Explore syllabus, notes, video, audio, previous-year questions and tests through the ExamOS platform.

Market research

TesSignal 369

Live on Google Play

Explore information and understand its context. Find crypto-market charts, news, paper signals and risk analysis in a dedicated research space.

Study planning

Kalviyogi Path

Live on Google Play

Give your next study session a direction. A dedicated study-planning app to use alongside your learning resources and exam practice.

Educational podcasts

YogiPod

Live on Google Play

Listen through a subject, one topic at a time. Chapter-wise educational podcasts and audio lessons support learning and revision with less time spent looking at a screen.

Live apps open on Google Play or their official platform. Shorts, YogiChat and Bodi Connect are in testing and require test access. Check each page for device requirements and access details.

Beyond the apps, a whole learning universe.

Audio lessons, notes, videos, question practice and interactive labs. Meet the learning platforms built to support different moments in your preparation.

Explore our learning platforms