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SleekFlow

SleekFlow is an omnichannel conversational commerce platform that lets businesses manage WhatsApp, Instagram, Messenger, and SMS conversations, broadcasts, and AI-assisted automation from one shared inbox.

4.6· 200 reviews· via G2Founded 2019 · Hong Kong

What is SleekFlow?

SleekFlow is an omnichannel social commerce and conversational messaging platform that unifies WhatsApp, Instagram, Facebook Messenger, SMS, and live chat into a single shared inbox. It adds broadcast campaigns, automation flows, and AI agents so sales, marketing, and support teams can capture, convert, and retain customers over chat. It is especially popular with e-commerce and retail businesses across Asia-Pacific and other emerging markets.

Best known for: Turning WhatsApp and social channels into a unified sales and support inbox for SMBs

Key features

  • Shared omnichannel inbox across WhatsApp, Instagram, Messenger, SMS, and web chat
  • WhatsApp broadcast and bulk messaging campaigns
  • No-code Flow Builder automation and chatbots
  • AI agents for lead qualification and support
  • CRM contact management with segmentation
  • Integrations including Shopify and Salesforce

Who SleekFlow is best for

  • E-commerce and retail teams selling over WhatsApp and social channels
  • Sales and support teams needing a shared omnichannel inbox
  • SMBs in APAC and emerging markets running broadcast campaigns

Ideal team: Small-to-midsize sales, marketing, and support teams that centralize customer messaging on WhatsApp and other social channels and want automation plus AI agents without heavy engineering.

SleekFlow pricing

Popular

Pro AI

$149/flat / mo

  • From 500 monthly active contacts and 3 user accounts
  • Unlimited broadcasts, Flow Builder, and AI usage under fair use
  • $119/mo on annual billing; a 7-day trial is the only free access

Premium AI

$349/flat / mo

  • From 1,000 monthly active contacts and 5 user accounts
  • Analytics dashboards, API access, webhooks, and role-based access
  • $299/mo on annual billing

Enterprise AI

Custom

  • Custom contact and seat limits
  • Salesforce integration and PII masking
  • Dedicated customer success and advanced analytics exports

Costs to watch before you commit

  • There is no free plan. The only free access is a 7-day trial of Pro AI, so the real entry price is $149/mo, or $119 on annual billing
  • Priced on monthly active contacts, and the published figures are floors: Pro starts at 500 and Premium at 1,000, with extra contacts and seats sold as add-ons
  • Hitting the monthly active contact cap pauses the AI from replying to customers. Incoming messages still arrive and your data is intact, but the automation you are paying for stops mid-month
  • WhatsApp Business Platform and SMS each carry their own monthly hosting charge plus per-message fees, billed on top of the subscription
  • Broadcast costs vary by message template, destination country, and volume, so the same campaign costs different amounts in different markets

SleekFlow pros and cons

Pros

  • One shared inbox across WhatsApp, Instagram, Messenger, and SMS, which is the actual job in markets where customers do not email
  • Genuinely strong WhatsApp Business Platform support rather than WhatsApp bolted onto an SMS tool
  • Flow Builder handles routing, qualification, and follow-up visually, so a non-engineer can change a flow
  • AI usage is unlimited under fair use on both paid plans instead of being metered in credits
  • 4.6 from 200 reviews, and the strength is concentrated where the product is aimed: APAC and emerging-market commerce
  • Salesforce integration and PII masking exist at the Enterprise tier for teams with a compliance review to pass

Cons

  • No free plan. The trial is 7 days, so the real entry price is $149 a month
  • Priced on monthly active contacts, and the published limits are floors: Pro starts at 500
  • Reaching the contact cap pauses AI replies to customers mid-month, which is the feature you are paying for
  • WhatsApp and SMS carry their own hosting and per-message fees on top of the subscription
  • Broadcast costs change with template, country, and volume, so campaign budgeting is genuinely hard to forecast
  • 200 reviews is a modest sample next to the platforms it competes with in Western markets

SleekFlow review: a closer look

What problem this actually solves

In large parts of Asia, Latin America, and the Middle East, a customer who wants to buy something opens WhatsApp, not email and not a web form. That breaks the assumptions behind most Western marketing software, which treats messaging as a notification channel hanging off an email list. SleekFlow inverts it: the conversation is the record, and campaigns, support, and checkout all happen inside it. If your customers behave that way, tools built around an email list will feel permanently sideways no matter how many SMS features they add.

Monthly active contacts, and the trap inside them

Pricing is not per seat or per message but per monthly active contact, meaning anyone you exchanged messages with in the billing month. Pro starts at 500 and Premium at 1,000, with more sold as add-ons. Two things follow. First, those are starting points rather than allowances, so the sticker price is a floor and a growing audience moves you up whether or not you sell more. Second, and this is the part worth knowing before you sign: when you hit the cap, SleekFlow pauses the AI from replying. Incoming messages still arrive and your data is untouched, but the automation stops until the month turns over or you buy more capacity. A busy month therefore degrades the product exactly when it is working hardest. Size the tier for your peak, not your average.

The subscription is not the bill

This is true of every WhatsApp platform and it catches people every time. Meta charges for the WhatsApp Business Platform independently of whatever software you use to reach it, and SleekFlow adds SMS hosting on the same basis, both with per-message fees on top. Broadcast pricing then varies by template category, destination country, and volume, so the identical campaign costs materially different amounts sent to Brazil, Indonesia, and the UK. Work out your monthly message volume by country before comparing platforms, because the subscription line is often the smaller half of the total and it is the only half the pricing page shows you.

Where the review sample is and is not useful

The 4.6 rests on 200 reviews, which is enough to be meaningful and small next to the tools it is compared against in Europe and North America. It also skews toward the markets SleekFlow serves best. Read it as strong evidence that the product does conversational commerce well for the businesses that need conversational commerce, and weak evidence about anything else. If you are a US or UK business whose customers still mostly email, the score is not telling you what you want it to.

How it compares

Against Wati, the two overlap heavily on WhatsApp and Wati is cheaper to start, while SleekFlow reaches further across channels and into automation. Against Respond.io, the closest competitor, both do omnichannel properly and the decision usually comes down to which flow builder your team finds legible. Against Manychat, Manychat is stronger on Instagram and Messenger growth mechanics and much weaker as a business inbox. Against Postscript or SimpleTexting, those are SMS-first tools for a US audience and are not really in this fight. Against a full support desk like Zendesk, that is built around tickets and this is built around conversations, which is a different shape of business. The honest summary: choose SleekFlow when WhatsApp is where your revenue happens and you need one inbox across several social channels, and choose something else when messaging is a supporting channel rather than the main one.

Who should use SleekFlow?

A good fit

SleekFlow fits e-commerce, retail, and service businesses of roughly 3 to 100 people whose customers buy over WhatsApp, Instagram, and Messenger rather than email, particularly in APAC, the Middle East, and Latin America. It suits teams where sales and support are the same conversation and where a shared inbox with automation behind it replaces several disconnected tools. It also suits anyone already paying for WhatsApp Business Platform access who has outgrown the free Meta inbox.

Look elsewhere if…

Businesses whose customers reach them by email should build on email marketing instead, where Brevo and ActiveCampaign do far more for far less. US-focused SMS campaigns are better served by SimpleTexting, or by Postscript for a Shopify store. Teams that want WhatsApp alone at the lowest price should price Wati first. And anyone whose contact volume swings sharply month to month should think hard about the active-contact model, because that pricing shape punishes exactly the months you most want the automation running.

The verdict

4.6/ 5 · G2 rating

SleekFlow is a well-built answer to a real problem that Western marketing software mostly ignores: businesses whose customers arrive on WhatsApp and never touch email. The shared omnichannel inbox and the visual flow builder are the strongest parts, and unlimited AI under fair use is a more honest arrangement than credit metering. Two things to settle before buying. The advertised price is not the entry price, because there is no free plan and the trial runs 7 days, so committing means $149 a month or $119 annually. And the active-contact model has a sharp edge that the pricing page does not advertise: exceed your tier and the AI stops replying to customers until you pay for more. Neither is disqualifying, and both are much easier to plan around before you sign than after.

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