TikTask

TikTask is a smart marketing automation and task scheduling app for Android that helps solo creators and small businesses stay consistent across messaging and social apps without hiring a team.
You can create a task once, choose the actions you want, and TikTask will run them for you on schedule. Send messages, follow up with clients, create polls, add likes or comments and more, across channels like WhatsApp, WhatsApp Business, Instagram, Telegram, Signal, Viber, Gmail and Slack.
TikTask lets you organize your work with labels, text buckets and recipient lists so you do not need to rewrite the same messages over and over. You can set repeat rules for daily, weekly, monthly or custom schedules and let TikTask run them in the background.
TikTask is privacy first. Your tasks and content live on your device, we only store your account and subscription information on our servers. Backup and restore with Google Drive is optional for users who want extra safety.
The app is free to use for individuals, with paid plans for businesses that want to unlock more actions per task and advanced automation features.