WaSMS vs aiSensy: Which WhatsApp Platform Wins for You
Comparing WaSMS and aiSensy on pricing, features, AI depth, and support.
WaSMS vs aiSensy both target growing businesses that want to run WhatsApp messaging without a big engineering lift, which makes them closer competitors than some other platforms in this space. The core difference is the business model: aiSensy is a subscription-priced WhatsApp Business API platform focused on broadcast campaigns and green-tick verification support; WaSMS is a free, multi-channel platform, WhatsApp, SMS, email, with a deeper AI layer built in.
Pricing Side by Side
aiSensy prices in subscription tiers, generally scaled by contact list size and message volume, with WhatsApp API conversation costs from Meta applied on top, as with any official API platform. Check aiSensy's current pricing page for up-to-date numbers, since tiers and included volumes change.
WaSMS's core features, WhatsApp, SMS, email, the shared inbox, the AI, and agentic AI actions, are free forever. You connect your own WhatsApp number and, optionally, your own Android phone for SMS, rather than paying a subscription tied to contact list size or message count.
WaSMS vs aiSensy: Feature Parity
| Feature | aiSensy | WaSMS |
|---|---|---|
| Broadcast / campaign tools | Strong | Yes |
| Green-tick verification support | Yes | Not a managed service |
| SMS in the same inbox | No | Yes |
| Email in the same inbox | No | Yes |
| AI trained on conversation history | Basic chatbot flows | Full AI trained on your data |
| Agentic AI (bookings, follow-ups) | Limited | Yes |
| Pricing | Subscription, scales with contacts | Free |
Where aiSensy Leads
aiSensy has put real effort into the parts of running WhatsApp broadcast campaigns that are otherwise fiddly — template approval workflows, list segmentation for campaigns, and guidance through Meta's green-tick verification process for businesses that want that specific badge. If broadcast campaigns to a large opted-in list are your main use case, and you want a platform that specializes in that workflow with hands-on support for the API's approval process, that focus is a genuine strength.
Where WaSMS Leads
The gap widens once a conversation actually starts. aiSensy, like most campaign-focused WhatsApp platforms, is built around a chatbot flow builder, a decision tree you configure in advance. WaSMS's AI is trained directly on your real conversation history and can hold a genuine back-and-forth, not just walk someone down a pre-built path. A clinic run by Dr. Chen uses this difference directly: patients ask varied, unpredictable questions about appointment availability, and a fixed-flow chatbot can't handle that range the way an AI trained on the clinic's actual scheduling conversations can.
WaSMS also isn't WhatsApp-only. The same AI and the same inbox cover SMS and email, so a business that reaches customers across all three channels doesn't need a second and third tool, and a second and third subscription, just because a message arrived somewhere other than WhatsApp.
A chatbot flow builder is good at handling questions you predicted in advance. An AI trained on real conversations handles the ones you didn't.
And because WaSMS doesn't charge per contact or per message, a business that grows its list from 500 to 50,000 contacts doesn't see its bill move at all, a meaningful difference from most subscription-tiered WhatsApp platforms, aiSensy included.
Migration
Moving from aiSensy to WaSMS starts with exporting your contact list, see the contact import guide for formatting requirements, and re-pairing your WhatsApp number to WaSMS's gateway. If you've built out broadcast campaign templates in aiSensy, you'll recreate the most-used ones in WaSMS, a short exercise for most contact lists since it's copy-and-paste rather than a technical rebuild.
As with any platform switch, plan the cutover between campaigns rather than mid-broadcast, and expect message history to stay with the old platform rather than transferring over.