Nulled PenPals | Android Real Letters Social Application free download

PenPals | Android Real Letters Social Application-[Clean-Nulled].zip

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PenPals is a great solution for those who need to quickly build a mobile app to write real letters and find new friends worldwide.

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Read Mobile and Web tutorials online

Download the demo APK of PenPals app

* In case your device will show a Toast message saying “Can’t open file”, just download the Astro File Manager app here:
and use it to install the APK. This may happen because of new Android Security options *

iOS version of PenPals template

Online documentation of PenPals

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PenPals is a full-working application (UI + Source Code) to find new pen friends and get the feeling of sending/receiving real letters!
Yes, that may happen because the messages you will send via the app will be delivered after a certain amount of days, depending on the distance between you and the receiver.

So this is not a common fast-chat or dating app. Instead, it brings you to that old-style feeling when we didn’t have cell phones, computers, and e-mails, but just a pen, a piece of paper and a stamp  :)

This app also allows users to also exchange Stamps by sending a request. It works in this way:
• User A selects one if his/her Stamps and sends an exchange request to User B
• User B gets a push notification and accepts such request
• User B selects one of his/her stamps and gets the User A’s stamp
• User A gets User B’s stamp

It has a lot of features like editing profile, attach a picture to a letter, remove and report Users, Location detection, search by Topics, Languages, and Countries, and much more.

Users don’t sign up or log in with a password, but just with a username and a valid email address. The app will send an email with a verification code in order to use all the application’s features. So, you absolutely need your own server with PHP enabled to upload a .php file into and allow your server to send emails through that file.

Avatars are pre-designed and included in the app.

The iOS and Android versions can share the same database on back4app!

The design is clean, code is commented and project folders and files are well organized in the package.

• Check out the Features section below to see what this app does.
• Read the online Documentation to learn how to configure the template’s features and the database (Parse Dashboard).
• Keep an eye to the Change Log on the bottom of this page when an update gets released.


It’s backend is by Parse Server and it’s hosted on back4app – NO MySQL database involved.
Parse Server is flexible, reliable, open source, based on Node.js and well supported by a large community of developers, and back4app is a great BaaS hosting website where you can configure your database, Push Notifications and other features in just a few clicks.

If you want to see a preview of the structure of the demo database, and also clone it in just a click, CLICK HERE!

If you want to use a nice Admin Panel to manage data of your database instead of using the Parse Dashboard, sign up for a FOREVER FREE account on and watch this video to see how to create a Panel for your Parse App.

Extended License

As per Envato Marketplace Terms, the Extended License applies to all applications that charge money to their users. In case your users will not be charged of money through your own version of this app, you can still buy it under a Regular license.
Therefore, you must buy this template under and Extended License if your plans are either one or more of the following:

  • Add In-App Purchase or any other Payment Gateway in the source code and publish the app for free on the App/Play Store – NOTE: If you want to publish your own version of this application for FREE only, then you can still buy it under a Regular License.
  • Publish this application as a PAID app on the App Store.
  • Transfer the live app of your own verison of this app on the App/Play Store to another owner by selling your ownership on or similar marketplaces.

IMPORTANT: You are NOT allowed to sell or share the original source code of this template anywhere due to copyright infringement


Java/XML language – Native Android Studio project – Edit the template as you wish with the power of Android Studio and Java code.

Android 5.0 and above, Universal – Run your app on about 80% of Android devices

Backend with Parse Server hosted on back4app – Built on a great and reliable BaaS that offers many features with just a few clicks, it’s super easy to create and set up a database on back4app, as well as edit the Parse Server’s SDK code.

Filter search for Pen Pals – Find people by language, topics, countries and age.

Attach a picture to a letter – Make your correspondence great by uploading a picture to your messages

Custom verification system – After login or sign up, the app emails you a verification code. The Admin needs a hosting server with PHP enabled, like GoDaddy, Hostgator, etc.).

Report and Remove Users – Help he Admin to kep the community clean by reporting abusive content. The Admin must daily check the database for reported stuff and take action for it.

Save drafts of your letters – Before sending a message, you can save it in your drafts screen for later editing.

Echange Stamps with people – This cool feature allow users to give their stamps away and get new ones from friends.

See the correspondence – Read sent and received letters between your penpals.

Letters get a delay on delivery – Depending by the distance between each users, letters get delivered after a certain amount of time.

Select a stamp for your new letters – Browse tons of nice stamps – the Admin can add new ones in the code.

Facebook login – Quickly sign in or sign up with your Facebook account

Terms of Use and Privacy Policy HTML file (GDPR compliant) – The template contains an HTML file the Admin can edit to display his Terms of Service to the app’s users.

Send Push Notifications – The Admin can send a custom Push Notification to all registered users via the Parse Push Console on back4app.

AdMob Interstitial ads – Get some revenue from full-screen advertisement banners

Modern, clean design – The UI has been carefully crafted to offer the best user experience to your clients.

Online Documentation – Read the extensive guide of this template to be able to configure it properly.

PSD icons included in the package – App and buttons icons are stored into a PSD folder, for easy image replacement.


The latest official version of Android Studio – Beta versions of an IDE usually never work 100% properly, and the code of this app has been written using the latest official version of AS (download it here. You must use it and avoid Betas.

An Apple Mac or Windows computer, updated to its latest OS version – It’s always good to keep your computer’s OS up to date, technology keeps growing and I follow its changes, as well as updating my templates every time a new OS gets released.

A Google Play Developer Account – This is needed for you to publish apps on the Play Store. You can still edit and test this template on Android Studio without that account though.

Basic knowledge of Android Studio and Java/XML language – You don’t need to be a skilled or professional developer, anyway it’s recommended to have at least the basic knowledge of what you’re dealing with, in order to be able to customize this template and publish your applications on the Play Store.

A free account on – You can create and edit your Parse App and database, get the necessary keys for configurations and test this template for free. It has limitations though, so please check the Pricing table and consider subscribing for a paid plan after your app got published on the App Store.

An active AdMob account – Unless you want to remove ads in this app, you need to sign up for an AdMob account to display them.

A real device to test the app before submitting it to the Play Store – Emulators may fail during tests, they are not reliable as a real device is, so I strongly recommend you to always run this application on a real phone/tablet. This is also suggested by Google’s official Guidelines.

A hosting server with PHP enabled – I recommend you to use GoDaddy – NO 000webhost or other free domain providers. Upload the verification-email.php file included in the package to allow the application to send custom emails.

Change Log

January 14, 2020

- Updated the 'main.js' file to properly call the Background Job with Parse Server 3.9.x version

December 23, 2019

- Updated the 'main.js' file to compile with the latest Parse Server 3.x version | Remember to update the Parse Server version of your app on back4app from the 'Manage Parse Server' section!

December 17, 2019

- Updated the 'main.js' file to compile with the latest Parse Server 3.x version.
1. Update your Parse Server to the latest version (currently it's 3.9.0) from the 'Manage Parse Server' section of your Parse App on back4app- unless you already have the latest version selected.
2. Upload the updated 'main.js' file into the 'Cloud Code Function' section of your app on back4app, overwrite the existing one and Deploy it.

December 10, 2019

- Updated to Android Studio 3.5.3
- Updated:
    compileSdkVersion 29  
    targetSdkVersion 29
in the 'build.gradle' file.

November 22, 2019

- Updated to Android Studio 3.5.2

- Removed the onStart() function and moved its code inside the onCreate() function of the file.
- Updated the onCreate() function of the file (compare your old code with the updated one).
- In the 'removedUsersButton.setOnClickListener()' function of the file, removed this line:
    mustReload = true;

- Declared the tabBar layout in the and used it inside the onCreate() function to hide it.
- Added the 'checkPermissions()' function on the bottom of the file, and added its IF check inside the 'onCreate()' function:
    if (!checkPermissions()) { checkPermissions(); }

- Added the same 'checkPermissions()' function in the file

August 22, 2019

- Updated to Android Studio 3.5

July 17, 2019

- Updated to Android Studio 3.4.2

June 20, 2019

- Installed 'Android 9.0 (Pie)' Platform form the Android SDK Manager (you should do the same in your Android Studio in case you haven't done that yet, and the perform the updates below).
- Edited build.gradle (Module: app) file by setting the 'compileSdkVersion and 'targetSdkVersion' into 28
- Did: Refractor -> Migrate to AndroidX, so after doing the suggested Refractor, some dependencies changed in the build.gradle (Module: app) file, compare your old files with the updated ones.
- Updated some dependencies in build.gradle(Module: app) file, compare your old build.gradle file with the updated one to perform updates
- Replaced:
    import com.parse.ParseFacebookUtils;
    import com.parse.facebook.ParseFacebookUtils;
in and

June 7, 2019

- Updated to Android Studio 3.4.1

May 7, 2019

- Updated to Android Studio 3.4
- Updated some dependencies in build.gradle(Modiule:app) to their latest versions

February 22, 2019

- Fixed a bug on Push notifications by editing the following files:
    build.gradle (Module:app)
    Manifest.xml -> 'onStart()' function.

- Updated the 'main.js' file, so you have to upload it again into your own Cloud Code Functions section on back4app and overwrite the existing one, then click the DEPLOY button.

** In order to update your app, compare the updated files mentioned above with your own ones and perform the changes accordingly **  

February 8, 2019

- Updated to Android Studio 3.3.1
- Updated the 'build.gradle(Project:)' and 'build.gradle(Module:app)' files 
[compare the updated code with your old code and perform changes accordingly]

January 22, 2019

- Updated to Android Studio 3.3

January 3, 2019

- Updated the Facebook Android SDK and ParseFacebookUtils versions in build.gradle:
    implementation ''
    implementation 'com.parse:parsefacebookutils-v4-android:[email protected]'

October 30 2018

- First release, Android 5.0 and above
- Native Android Studio project, Java language, Parse Server backend


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