WhatsOpen

Harshal Bhatia | Phone & SMS

5 Downloads 9 Views v1.1 1.79 MB 4.1+

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(1.79 MB)

Editor's Overview

WhatsOpen is a phone & sms application developed by Harshal Bhatia, packaged as a single Android APK of version 1.1 weighing in at 1.79 MB. The package targets Android 4.1+ and above. Below you'll find the publisher's own description, a quick spec sheet, and a short buyer-beware checklist so you know exactly what you're installing before tapping download.

Install Checklist

Only download through the button on this page — never from third-party mirrors or shortened links, which are the most common way malware spreads.
File size is a light 1.79 MB, so it installs quickly even on modest connections.
This build is signed by "Harshal Bhatia" — always verify the developer name matches what's listed on the app's official store page before installing an update.
After install, Android may prompt you to allow "Install from unknown sources" — approve only this one install, then revoke the permission in Settings > Apps > Special access.
We link directly to the APK file or the publisher's repository; we do not modify the binary. Always run a virus scan after any sideloaded install.

About this app

WhatsOpen lets you start a WhatsApp conversation with any phone number — even numbers you haven't saved as contacts.

Features:

* Enter a phone number with country code and open WhatsApp directly
* Auto-detect phone numbers from your clipboard
* Browse recent call log entries and open WhatsApp for any of them
* Filter call log by call type and WhatsApp contact status
* Material 3 design with light and dark themes

WhatsOpen requires no network access, contains no analytics, and does not track you. All processing happens on-device.

Permissions:

* Read call log — to show recent calls
* Read contacts — to display contact names alongside numbers

Details

Version	v1.1
Size	1.79 MB
Developer	Harshal Bhatia
Category	Phone & SMS
Package	com.harshalbhatia.whatsopen
Android	4.1+
Last Updated	Oct 29, 2026
Downloads	5

Frequently Asked Questions

Is WhatsOpen free to download?
Yes. The APK file linked from this page is free. The developer may offer in-app purchases once installed, but obtaining the installer itself costs nothing.

What Android version does WhatsOpen require?
Android 4.1+ or newer. Installing on older devices may cause crashes or refuse to install.

Is WhatsOpen safe to install?
We link to the exact APK published by Harshal Bhatia. We do not modify the file. Still, as with any sideloaded app, scan it with a reputable antivirus before opening it, and only grant permissions the app genuinely needs.

How do I update WhatsOpen?
Install the newer version on top of the old one — Android will keep your data. If the signature differs, uninstall first (you may lose local progress).

Why is the app not installing?
Common causes: not enough storage, an older Android version than 4.1+, or a conflicting build already installed. Free up space, check your OS version, and uninstall any previous copy before retrying.

How to Download & Install WhatsOpen

Tap the Download APK button above and save the file to your device.
Open your device Settings → Security (or Apps → Special access → Install unknown apps) and allow your file manager or browser to install unknown apps for this one file only.
Open the downloaded com.harshalbhatia.whatsopen.apk file from your Downloads folder.
Tap Install and wait for Android to finish.
Open «WhatsOpen» by Harshal Bhatia and grant only the permissions it actually needs.
Revoke the "unknown sources" permission once you are done installing.

Note: this page hosts or links to the installer only. The application name, icon and description are provided for identification. All trademarks belong to their respective owners.