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NextKeyStudyMateLumaChat
NovaX Webworks logo
Web developer Raj Mishra · Free Android apps

Build what’s next.We make

NovaX Webworks is the home of NextKey, StudyMate and LumaChat. Download the apps for free, or ask Raj to build your own.

0Android apps
0%Free to download
0Developer, Raj Mishra

Use my apps.

Three Android apps, all built by Raj Mishra. Tap an app to see what it does, then download it.

NextKey icon

NextKey

Developed by Raj Mishra
AndroidKeyboardFree

NextKey is a customisable Android keyboard made to make typing faster and more expressive. It brings an iPhone-style emoji set, smart word suggestions that use a large English dictionary and common word pairs, voice typing right from the suggestion bar, and a built-in translator for English to Hindi and Marathi.

😀 iOS-style emojiA full HD emoji set that looks like the iPhone’s.
✨ Smart predictionSuggests words and the next word as you type.
🎤 Voice inputTap the mic and your speech goes into the text box.
🌐 TranslatorEnglish to Hindi and English to Marathi.
🎨 PersonalCustomise the keyboard to your style.
⚡ LightweightA single installable APK, no account needed.
PlatformAndroidSize12.3 MBPriceFree
⬇ Download NextKey
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StudyMate icon

StudyMate

Developed by Raj Mishra
AndroidStudent plannerOffline

StudyMate is an offline-first planner for students. Plan your study time, build a daily streak, count down to exams and keep your progress on your home screen with widgets. A friendly robot mascot reacts to how well you’re keeping your streak, so staying consistent feels fun.

⏱ Focus clockStudy with a focus timer and a choice of clock styles.
🔥 StreaksTrack your daily study streak and see your progress.
🤖 Mascot moodsThe robot looks happy, hopeful, angry or sleepy based on your streak.
📅 Exam countdownSee how many days are left until your exams.
🧩 Home widgetsProgress, streak, exam and quick-action widgets, in glass or classic style.
🏆 Friends and podiumAdd friends and compete on a leaderboard (accounts on the same device).
PlatformAndroid 7.0+Version2.0PriceFree
⬇ Download StudyMate
StudyMate🔥 7-day streak
25:00
Maths revision
Read chapter 4
Practice test
LumaChat icon

LumaChat

Developed by Raj Mishra
AndroidChatPrivate

LumaChat is a private messaging app for Android: connect, chat and share, simply and on your own terms. Send messages, voice notes, photos, videos and documents, make voice and video calls, and keep your conversations end-to-end encrypted.

🔒 Encrypted chatsEnd-to-end encryption, with key backup protected by a PIN.
📞 Voice and video callsCall your contacts straight from the app.
👥 Groups and communitiesCreate groups and rename them for your community.
🖼 Share anythingPhotos, videos, documents, audio, location and voice notes.
💭 Status and thoughtsPost a status, or a short thought that disappears in 24 hours.
📲 Easy to connectSign up with email or phone, then add people by @username or QR code.

Make it yours with themes, colours, wallpapers and chat bubbles, and manage read receipts and privacy from the privacy dashboard.

PlatformAndroidSize4.4 MBPriceFree
⬇ Download LumaChat
LumaChat
How to install: tap Download and open the file. If Android asks, allow “Install unknown apps” for your browser. These apps are not on the Play Store, so Android shows a standard warning for apps installed from outside it.

What you can do here.

Use the apps, or ask for something of your own.

📲

Use my apps

Download NextKey, StudyMate and LumaChat for free and install them on your Android phone.

  • Free downloads
  • No sign-up on this site
  • Updated by the developer
🛠

Ask for your app

Have an idea for an Android app? Tell Raj what you need and he’ll build it for you.

  • Custom Android apps
  • Keyboards, tools and utilities
  • Multi-language support
🌐

Websites

Fast, responsive websites that look great on phones, tablets and desktops.

  • Business and portfolio sites
  • Landing pages
  • Animations and interactions

How requesting works.

Tell your idea

Send a short message about what you want.

Plan

Raj replies with questions and a plan.

Build

Your app or site is built and tested.

Launch

You get the finished app, ready to use.

Built with care.

The tools and ideas behind every website and app on this page.

Web development

Fast, responsive websites with smooth animation and 3D. This very page is plain HTML, CSS, JavaScript and Three.js.

HTML5CSS3JavaScriptThree.jsWebGL

Android apps

Apps packaged as installable APKs, from keyboards to planners to chat.

AndroidWebViewGradleAPK

Firebase

Accounts, a database and push notifications, as used in LumaChat.

AuthFirestorePush

Offline-first

StudyMate keeps working without internet, with data stored on your device.

On-device dataWidgets

Motion and 3D

Smooth animations, 3D scenes and small interactive details.

Three.jsCSS 3DCanvas

Small studio. Big ideas.

NovaX Webworks is an independent digital brand exploring web and mobile technology. Raj Mishra is a web developer who designs, builds and maintains every website and app here, with a focus on clean design and smooth performance.

 raj.js
const raj = {  role: 'Web developer',  studio: 'NovaX Webworks',  apps: ['NextKey', 'StudyMate', 'LumaChat'],  builds: ['websites', 'Android apps'],  takingRequests: true,};

Raj Mishra

Developer of NovaX Webworks and of NextKey, StudyMate and LumaChat.

Clean design

Simple, modern layouts without clutter.

Smooth performance

Lightweight apps and pages that run fast on any phone.

Thoughtful details

Small touches that make a product feel finished.

Questions.

Are the apps free?

Yes. You can download NextKey, StudyMate and LumaChat from this page at no cost.

Why isn’t it on the Play Store?

The apps are shared directly as APK files. Android may ask you to allow installs from your browser once.

Who made these apps?

All of them were developed by Raj Mishra.

Can you build an app for me?

Yes. Use the form below to describe your idea, and Raj will reply by email.

Do you build websites too?

Yes. Websites are fast, responsive and mobile-first.

Ask for your app. Let’s talk.

Tell Raj what you’d like built, or ask a question about the apps. You’ll get a reply by email.

rajmishra347585@gmail.com