Android App Studio · 13 apps on Google Play

Apps people

Built by experts.

We have 13 Android apps on Google Play, including Walzi, NotiVault, Hanuman Dham & Shiv Dham. We also build custom apps & websites for your business, and teach Kotlin + Jetpack Compose.

📱 Explore Our Apps 💼 Build My App 🎓 Join the Course
0Apps on Play Store
0★Top app rating
₹0Free to download
Walzi Wallpapers — fresh 4K & HD wallpapers, curated every day NotiVault — never miss a notification again, every alert is saved Hanuman Dham — Hanuman Chalisa, Aarti and Mantra Jaap app Shiv Dham — Har Har Mahadev, your daily devotion to Lord Shiva
Walzi Wallpapers4K & HD · Duo lock + home NotiVaultNotification history · 4.5★ Hanuman DhamChalisa & bhakti · 4.7★ Shiv DhamShiv Aarti, Chalisa & jaap · New
How can we help?

One Studio. Three Ways to Work With Us.

Download our apps, get an app built for your business, or learn to build them yourself.

01 · FOR EVERYONE📱

Use Our Apps

Free, lightweight apps for wallpapers, notification history and daily bhakti — loved on Google Play.

Explore all apps 02 · FOR BUSINESSES💼

Get an App for Your Business

Food delivery, healthcare, astrology, e-commerce, spiritual and more — Android apps & websites built for you.

Plan my app 03 · FOR LEARNERS🎓

Learn Android Development

Kotlin + Jetpack Compose course — classroom in Kharar and live online. Build real apps and publish them.

See the course
Our Apps

Apps You'll Love

Our most popular apps from 13 apps on Google Play: lightweight, privacy-focused and built with modern Android.

Walzi app home screen
Walzi Wallpapers App Icon

Walzi Wallpapers

New · Free on Google Play

Aesthetic 4K & HD wallpapers with matching lock + home Duo sets, Surprise me shuffle & a daily auto changer.

View DetailsGoogle Play
NotiVault notification history screen
NotiVault App Icon

NotiVault

★★★★★ 4.5 · 500+ reviews

Recover deleted notifications, save notification history & never miss an important message again.

Try the DemoGoogle Play
Hanuman Dham app home screen
Hanuman Dham App Icon

Hanuman Dham

★★★★★ 4.7 · 1000+ reviews

Hanuman Chalisa with meaning, Aarti, Bajrang Baan, Sundarkand, Mantra Jaap, bhajans & wallpapers.

View DetailsRead LyricsGoogle Play
Shiv Dham app home screen
Shiv Dham App Icon

Shiv Dham

New · Free on Google Play

Shiv Aarti, Shiv Chalisa, Om Namah Shivaya jaap mala, darshan, 12 Jyotirlinga, bhajans & Mahadev wallpapers.

View DetailsRead ChalisaGoogle Play
View All Apps → ▶ See All 13 on Google Play
For Businesses

Need an App or Website?
We Build It.

From idea to Play Store — we design and develop Android apps and websites for businesses of every kind. Tell us what you need.

  • Food delivery & restaurants
  • Healthcare & clinics
  • Astrology & horoscope
  • Spiritual & temples
  • E-commerce & local shops
  • Banking & fintech
  • Wallpaper & content
  • Business websites
Plan Your App →
🎓 New Batch · Enrolling Now

Become an Android Developer with Kotlin & Jetpack Compose

Classroom training in Kharar, Mohali for the Chandigarh Tricity, plus live online batches. Learn from a developer with 10+ years of industry experience at Nagarro and KareXpert.

  • Kotlin from zero to advanced
  • Jetpack Compose & Material 3
  • MVVM, Hilt, Room, Retrofit
  • Coroutines & Flow
  • Live projects + code reviews
  • Play Store publishing & interview prep
View Full Course →
Kamal Kakkar — Founder of Yunok Tech, Android developer and trainer in Mohali

Kamal Kakkar

Founder, Yunok Tech · Senior Android Developer
📍 Kharar, Mohali, Punjab
LinkedIn Medium Call
About Me

11+ Years Building Android Apps That Matter

Hi, I'm Kamal. I've spent 11+ years building Android apps for large enterprises in the healthcare and banking domains — products where security, performance and reliability are non-negotiable. Yunok Tech is where I bring that same quality to everyday apps, to client projects and to developers who want to learn modern Android.

0+Years experience
0Industry domains
0Apps on Play Store

🚀 Yunok Tech

Founder — 13 apps published on Google Play, including Walzi, NotiVault, Hanuman Dham & Shiv Dham, delivering client apps and teaching Kotlin + Jetpack Compose.

🏢 Nagarro

Android development for enterprise clients, including banking & financial apps — secure, scalable, high-traffic.

🏥 KareXpert

Android apps for the healthcare domain — hospital and patient-facing solutions used by doctors and clinics.

Why Yunok Tech

Built Different. Built Better.

The principles behind every app we ship — for ourselves and for our clients.

⚡

Lightweight & Fast

Small app sizes, instant launch and smooth animations.

🔒

Privacy First

Data stays on device wherever possible. No unnecessary tracking.

🎨

Modern UI

Jetpack Compose & Material 3 interfaces that feel native.

🏗️

Clean Architecture

Enterprise-grade code that is easy to maintain and scale.

Latest Reads

From Our Blog

Guides and tips about our apps, Android and daily devotion.

Matching lock and home screen wallpapersWalzi
📅 Oct 6, 2026 · ⏱ 5 min

How to Set Matching Lock & Home Screen Wallpapers

Set Duo wallpapers that continue from your lock screen to your home screen.
Hanuman puja vidhiSpiritual
📅 Oct 3, 2026 · ⏱ 6 min

Hanuman Puja Vidhi at Home on Tuesday & Saturday

A simple step-by-step puja with samagri, mantras, Chalisa and Aarti.
See deleted messagesNotiVault
📅 Sep 29, 2026 · ⏱ 5 min

See Deleted Chat Messages Using Notification History

How notification history lets you read "This message was deleted" messages.
View All Articles →
User Reviews

What Our Users Say

★★★★★

"NotiVault saved me so many times! I missed a bank OTP and found it right here. Best notification manager for Android, period."

RK
Rahul KumarNotiVault User
★★★★★

"The Hanuman Chalisa app is beautiful. The offline feature means I can read it in the morning without Wi-Fi. Jai Bajrang Bali!"

PS
Priya SharmaHanuman Dham User
★★★★★

"Super lightweight app that doesn't slow down my phone. The UI is clean and modern. Yunok Tech really understands what users want."

AV
Arjun VermaNotiVault User
FAQ

Frequently Asked Questions

Quick answers about our apps, services and course.

Yes. We build Android apps and websites for businesses — spiritual, food delivery, wallpaper, astrology, healthcare, fintech, e-commerce and more. Call or WhatsApp +91 99882 00178 or use the contact form for a free consultation.

Students, freshers, working professionals and anyone who wants to build Android apps. Basic programming knowledge helps, but we start Kotlin from the basics.

NotiVault uses Android's Notification Listener Service to save every incoming notification locally on your device, so you can find it even after you swipe it away.

Yes. Hanuman Chalisa, Bajrang Baan, Aarti and Mantras are stored on your device — no internet required.

Read the Shiv Aarti and Shiv Chalisa with Hindi & English meaning on our website, or get the free Shiv Dham app for mantra jaap, darshan, 12 Jyotirlinga and Mahadev wallpapers.

Yes. Walzi is free and supported by ads. No account is needed and your favourites are saved on your device.

Get In Touch

Let's Build Something Together

Have an app idea, need a website, or want to join the course? Reach out — we usually reply within a few hours.

📞
Call+91 99882 00178
 💬
WhatsAppChat with us
 ✉️
Emailyunoktech@gmail.com
 📍
Address#28 Anand Villas, Kharar, Mohali
Send a Message → 💼 Plan Your App 🎓 Explore the Course