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Android App Developer Studio

We Craft, Deploy &
Scale Powerful Apps

We build creative, user-friendly apps that simplify your daily life. From concept to code — we deliver quality Android experiences.

15+
Apps Published
4.3+
Avg. Rating
1M+
Downloads
3+
Years Active

What We Specialize In

We specialize in Android app development, optimization, and monetization to help you succeed on the Play Store.

Android App Development

Build custom Android apps from scratch — from idea to Google Play deployment with modern architecture.

Kotlin Java XML Jetpack Retrofit

App Optimization

Speed up your app and reduce size, lags, and battery drain for a smoother user experience.

Cache ProGuard Coroutine LeakCanary

Firebase Cloud Features

Add realtime sync, authentication, push notifications, and crash tracking easily.

Auth Firestore FCM Crashlytics

Ads & Monetization

Earn revenue with ads, one-time purchases, or subscriptions using leading ad networks.

AdMob Billing Unity Ads Play Console

Our Featured Apps

Discover our best-performing apps loved by thousands of users worldwide.

Challan Info - Vahan Info

Challan Info - Vahan Info

Check vehicle details, challan status, insurance validity, and registration info using a vehicle number plate across all Indian states.

5.0
Check Vehicle Resale Value

Check Vehicle Resale Value

Calculate the current resale value of your old car, motorcycle, or scooter instantly by entering make, model, and running km.

4.3
App Backup and Restore

App Backup & Restore

Easily backup and restore your Android apps. Keep your favorite apps safe and transfer them between devices.

4.0

What Our Users Say

See how our apps are making a difference in people's daily lives.

"Best backup application! Super easy to use and works flawlessly every time. Highly recommended for anyone who needs reliable app backup."

RK
Rahul Kumar
App Backup & Restore

"The QR scanner is lightning fast and scans every code on the first try. Clean interface with minimal ads. This is the only scanner I use now."

SP
Sneha Patil
QR Code Reader & Scanner

"Hide Files keeps my private photos and documents completely secure. The vault is well protected and the app is very intuitive to use."

AM
Amit Mehta
Hide Files

"Lost all my contacts once but thanks to Contact Backup I was able to restore everything in seconds. A must-have app for every phone."

PD
Priya Deshmukh
Contact Backup & Restore

"The doc scanner produces very clear scans. I use it daily for work documents. It's simple, fast, and does exactly what you need."

VR
Vikram Rao
Doc Scanner

"Screen Recorder captures everything smoothly. No lag, no watermarks. Perfect for recording tutorials and gameplay on my phone."

NK
Nikhil Kapoor
Screen Recorder

Have a Question or Feedback?

We would love to hear from you. Whether you have suggestions, bug reports, or just want to say hello, reach out to us anytime.

extrasstudeios@gmail.com
Google Play Developer Page

Extras Studios ("We", "us", "our") built our Android apps as Free applications. These Services are provided at no cost and are intended for use as is. This page is used to inform visitors regarding our policies with the collection, use, and disclosure of information. If you choose to use our Services, then you agree to the collection and use of information in relation to this policy.

What Information Do We Collect?

Generally, we DO NOT require you to create an account on our Apps, and therefore, we DO NOT collect any personally identifiable data when you download and/or use our Apps. We also DO NOT track your browsing history or collect sensitive personal data.

We DO NOT collect or store personal information like your name, login credentials, or credit card details. All sensitive actions are initiated by the user and processed locally on the device.

Non-Personal Information may be collected to improve user experience, such as device model, Android version, or crash data. This information does not identify you and is used only to improve app performance.

Third-Party Services

Our apps may use third-party services that may collect information used to identify you. Links to privacy policies of third-party service providers used by our apps:

How We Use Your Data

We use the non-personal data collected from you in the following ways:

To Improve and Optimize Our Services

Identifying and fixing bugs and issues through Firebase Crashlytics to provide a better user experience. Understanding how our app is used to make necessary improvements.

For Analytical Purposes

Generating aggregate statistics about app performance and usage. Analyzing app usage trends to develop new features and improve existing ones.

To Enhance Security

Improving our app's security features. Monitoring for and protecting against fraud and misuse of our apps.

Security of Data

The security, integrity, and confidentiality of your data are extremely important to us. We use various technologies and administrative measures to protect your data from being lost, misused, or accessed without authorization.

Children's Privacy

Our Services do not address anyone under the age of 13. We do not knowingly collect personally identifiable information from children under 13. If you are a parent or guardian and you are aware that your child has provided us with information, please contact us so that we can take necessary actions.

Advertising

We use AdMob, Unity, and other advertising providers. Any advertising on our Apps is published and controlled by them. If you click advertising links to any third party, you should read their privacy policies carefully.

Changes to This Privacy Policy

We may update our Privacy Policy from time to time. You are advised to review this page periodically for any changes. This policy is effective as of 19 July 2025.

Contact Us

If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us at extrasstudeios@gmail.com.

Extras Studios built the "QR Code Reader & Scanner" app as a Free app. This Service is provided at no cost and is intended for use as is.

What Information Do We Collect?

The QR Code Reader & Scanner app requires camera access to scan QR codes and barcodes. All scanning is performed locally on your device. We do not collect, store, or transmit any scanned data to our servers.

We DO NOT collect personal information such as names, email addresses, or other identifiers. Non-personal data such as device model and Android version may be collected for crash reporting and performance improvement.

Camera Permission

The app requires access to your device camera solely for the purpose of scanning QR codes and barcodes. No images are captured, stored, or transmitted by the app.

Third-Party Services

Contact Us

If you have any questions, contact us at extrasstudeios@gmail.com.

Extras Studios built the "Hide Files" app as a Free app. This Service is provided at no cost and is intended for use as is.

What Information Do We Collect?

Hide Files allows you to secure your private photos, videos, and documents in a password-protected vault. All files are stored locally on your device and are not uploaded to any server.

We DO NOT collect, access, or store any of your hidden files, passwords, or personal data. Your privacy is our top priority.

Storage Permission

The app requires access to your device storage to move files into and out of the protected vault. This access is used solely for the purpose of managing your hidden files on your device.

Third-Party Services

Contact Us

If you have any questions, contact us at extrasstudeios@gmail.com.

Extras Studios builds free Android applications designed to provide essential utility tools for everyday use. Our apps are developed in Kotlin and Java, following modern Android development practices. All apps are designed with a focus on user privacy, simplicity, and performance.

Common Permissions Used

Our apps use various permissions depending on their functionality. Below are common permissions used across our apps.

Automatically Allowed Permissions

INTERNET

Allows the app to access the internet for downloading updates and interacting with online services.

ACCESS_NETWORK_STATE

Allows the app to check the network connectivity status.

FOREGROUND_SERVICE

Allows the app to run foreground tasks like backup operations or scanning.

com.android.vending.BILLING

Enables in-app purchases for premium features or content.

User Permission Required

CAMERA

Required for QR code scanning and document scanning features.

READ_EXTERNAL_STORAGE

Allows reading files from external storage. Required on Android 12 and below.

WRITE_EXTERNAL_STORAGE

Allows saving files to external storage. Required on Android 10 and below.

READ_CONTACTS

Required for contact backup and restore functionality.

POST_NOTIFICATIONS

Required to send notifications and updates to your device.

RECORD_AUDIO

Allows audio recording in Screen Recorder app using the device microphone.

Google Play Billing

Some of our apps offer premium versions or in-app purchases through Google Play's billing system. All purchases are processed through your Google account. Subscriptions will auto-renew unless cancelled before the end of the billing period.

For refund policies, please refer to Google Play's Refund Policy.

Get in Touch

Have questions or need support? We'd love to hear from you! Reach us directly at extrasstudeios@gmail.com.