Buying the Pro Version does not guarantee that your number won’t be blocked.
However, with the pro features like attachment sending, the WASender PRO gives you access to several anti-blocking features that help you reduce the chances of number blocking by up to 98%. With the Pro version, you get features like
1️⃣ Batching/Time-gap: Message slows down with time gap and batching.
2️⃣ Name customization: Sending customized messages to all contacts.
3️⃣ Unsubscribe: Giving every contact option to unsubscribe if they’re not interested. And much more…