How to read the table. "Not listed" means we did not find the item on the vendor's own pricing, product, security or help pages when we checked on 24 October 2026. It is not a claim that the feature does not exist. Sources are listed at the end of this page.
Where SleekFlow is stronger
SleekFlow is a strong fit for B2C teams that sell through conversations and phone calls.
- Calls in the same inbox. SleekFlow brings WhatsApp, Instagram, TikTok, email and calls into one inbox, and local numbers for VoIP calls and SMS cost US$1 a month each. Sources: SleekFlow homepage and SleekFlow pricing.
- Selling inside WhatsApp. WhatsApp catalog and payment links let customers browse, add items to a cart and pay without leaving WhatsApp. Source: SleekFlow homepage.
- Onboarding help. Two free weekly group onboarding sessions run in English, Cantonese, Brazilian Portuguese and Bahasa Indonesia, and Premium includes about 60 days of dedicated onboarding. Source: SleekFlow pricing.
- Regional human support. Premium adds human chat support on weekdays during APAC, EMEA and LATAM office hours. Source: SleekFlow pricing.
Pricing compared
ReplyCX prices plans by monthly conversation volume. Starter is $79 a month for 2,000 conversations and up to 3 agents, Growth is $199 for 7,500 conversations and adds live chat handoff, Pro is $499 for 20,000 conversations and adds AI Studio, and Enterprise is custom. Annual billing lowers the first three to $65.83, $165.83 and $415.83 a month. Every plan starts with a 14-day free trial, and Meta's WhatsApp Business API message fees are billed separately. Source: ReplyCX pricing.
SleekFlow prices plans by monthly active contacts, meaning contacts who message you, or whom you message one-to-one, in a billing month. Contacts who only receive a one-way broadcast are not counted. Billed yearly, Essential is US$49 a month with 3 seats and 500 contacts, Pro is US$109 with 10 users, 500 contacts and AI agents, and Premium is US$279 with 10 users and 1,000 contacts. Billed monthly, the same plans cost US$69, US$139 and US$349. Enterprise is custom. Essential has no AI agents or broadcasts and is rolling out by country. WhatsApp numbers cost US$15 a month plus message fees. Source: SleekFlow pricing.
When to choose each
Choose SleekFlow if
- Your sales team takes phone calls as well as WhatsApp and social messages and wants them in one inbox.
- You want customers to pay inside WhatsApp.
- TikTok or LINE is an important channel for you.
Choose ReplyCX if
- Support is the main job and you need tickets with SLA rules and a branded customer portal.
- You want AI answers trained on your past live chats as well as your website and documents.
- You need HIPAA or on-premise and VPC deployment options.
Frequently asked questions
Is ReplyCX better than SleekFlow?
ReplyCX is the better fit for support-led teams that need ticketing for every customer, AI trained on past chats, and HIPAA or on-premise options. SleekFlow is the better fit for B2C sales teams that want messaging, email and VoIP calls in one inbox.
What is the difference between ReplyCX and SleekFlow?
SleekFlow is an AI and omnichannel sales platform with VoIP calling, broadcasts and commerce tools, priced by monthly active contacts. ReplyCX is a support-focused platform with a no-code chatbot builder, AI Studio, live chat and ticketing, priced by monthly conversations.
Which is cheaper, ReplyCX or SleekFlow?
SleekFlow is cheaper to start, at US$49 a month billed yearly for Essential, which excludes AI agents. With AI, SleekFlow Pro is US$109 a month for 500 active contacts and ReplyCX Pro is $499 for 20,000 conversations, so the cheaper option depends on your volume.
Can ReplyCX replace SleekFlow?
ReplyCX can replace SleekFlow for WhatsApp, Instagram, Messenger, SMS, email and web chat conversations, AI answers, broadcasts and ticketing. ReplyCX does not list TikTok, LINE or VoIP phone numbers, so teams that sell over those channels may keep SleekFlow.
Who should choose SleekFlow instead of ReplyCX?
B2C sales teams should choose SleekFlow when they want chat, email and phone calls in one inbox, payments inside WhatsApp, and onboarding in English, Cantonese, Brazilian Portuguese or Bahasa Indonesia.
Sources
Checked on 24 October 2026. Plans and prices change, so confirm current details on each vendor's site before you buy.
SleekFlow
- SleekFlow pricing
- SleekFlow homepage
- SleekFlow Trust Center
- SleekFlow Help: managing tickets
- SleekFlow Help: Live Chat Widget
ReplyCX
- ReplyCX pricing
- ReplyCX security and compliance
- ReplyCX communication channels
- ReplyCX Help Center overview
- ReplyCX Help: AI Studio retraining
- ReplyCX Help: ticketing automation and SLA triggers
- ReplyCX Help: customer portal for ticketing
- ReplyCX Help: voice chat widget
More comparisons
See how ReplyCX compares with other tools, or go back to the ReplyCX homepage.