Charles is an enterprise WhatsApp platform with monthly base fees starting at €349-€499 plus per-conversation Meta fees and Charles markup. No free tier or trial available; requires sales process and contract.

Charles provides WhatsApp Business API with enterprise-focused features. Monthly base fees range from €349-€499 for entry-level packages and exceed €1,000 for larger enterprises. Per-conversation costs include Meta fees (varying by conversation type and region) plus Charles markup. Marketing conversations cost approximately 0.11 EUR per message in Germany. Platform requires sales engagement with no self-serve option.
Enterprise WhatsApp Business API platform with compliance and automation
Starting Price
SMS marketing platform with per-segment message pricing
G2 Rating
Starting Price
Sakari offers variable SMS pricing from $25-$495/month with per-segment message rate pricing. All plans include unlimited users, unlimited contacts, 90-day rollover credits, and free sender ID options.
SMS and two-way texting platform for sales teams and customer engagement
G2 Rating
Starting Price
Salesmsg is a sales-focused SMS platform starting at $25/month for 500 messages with 2-way SMS/MMS texting. Includes centralized inbox, automation, CRM integrations, and team collaboration features.
All-in-one SMS marketing and texting platform for business
G2 Rating
Starting Price
SimpleTexting offers tiered SMS marketing plans starting at $29/month with inclusive features across all tiers. Includes mass texting, two-way messaging, AI-assisted message generation, and integrations with popular platforms.