StealthChat is an industrial strength chat and phone call app for professionals that value real privacy and security. StealthChat uses advanced end to end encryption to ensure that only the sender and recipient have access to the content of the message or phone call.
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Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
SMS Caster - SMS Caster app enables users to select as many phone numbers as they want from the contact list to send a single text message to all of them without having to spend any money.
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Multi SmsSender - Multi SmsSender app contains features to assist users in sending a single text message to as many contacts as they want at the same time by selecting phone numbers from the contact list.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
SMSsoftware.org - Bulk SMS Software sends messages in bulk to multiple Android mobile users with distinct content in short time. Software imports the Contact list of individuals from computer storage to send bulk SMS and also skip the duplicate numbers automatically.