wacrm vs respond.io: an honest open-source alternative comparison
respond.io is one of the most polished omnichannel customer-conversation platforms on the market, and it is priced like it: flat plans from $79/month, with the automation and API most teams actually want starting at $159/month. wacrm is a free, MIT-licensed, self-hosted WhatsApp CRM with no per-seat cost and a free public API.
They are not the same product. This compares them honestly, including the cases where respond.io is clearly the better buy.
Disclosure: wacrm publishes this comparison. Pricing below comes from respond.io's own pricing page and was checked in August 2026 — plans change, so verify before you commit.
The short version
- Choose respond.io if you need several channels in one inbox (WhatsApp, Instagram, Messenger, TikTok, email, SMS), want a mature product with support behind it, or need AI agents and advanced reporting out of the box.
- Choose wacrm if WhatsApp is your channel, you want to own the data and the code, and you would rather not pay a platform fee that grows with your team and your contact count.
At a glance
| wacrm | respond.io | |
|---|---|---|
| Licence | MIT open source | Proprietary SaaS |
| Software cost | Free | $79 / $159 / $279 per month |
| Included seats | Unlimited | 5 (Starter), 10 (Growth/Advanced) |
| Extra seat | — | $12–24 per user per month |
| Contact limits | None | Unlimited on Starter; 1,000 MACs on Growth+ |
| Contact overage | — | $12–15 per 100 monthly active contacts |
| Public API | Included, free | Growth tier and above ($159/mo) |
| Webhooks | Included, free | Advanced tier ($279/mo) |
| Channels | WhatsApp only | WhatsApp, IG, Messenger, TikTok, email, SMS, more |
| Hosting | You self-host | Fully hosted |
| Data ownership | Your own Supabase project | respond.io's infrastructure |
Meta's WhatsApp Business API messaging is billed by Meta and costs the same whichever of these you run on top.
The pricing shape is the real difference
respond.io does not charge purely per seat, which makes it look cheaper than per-user CRMs at a glance. The cost actually arrives on three axes at once:
- The plan. $79 Starter, $159 Growth, $279 Advanced.
- Seats beyond the included count. $12/user on Starter, $20 on Growth, $24 on Advanced.
- Monthly active contacts. Growth and Advanced start at 1,000 MACs, then $12–15 per additional 100.
That third axis is the one teams underestimate. A monthly active contact is any contact you exchange messages with in the billing month, so the bill scales with how successful your outreach is. Run a broadcast that wakes up 3,000 contacts on the Growth plan and you have added roughly $240 in MAC overage to a $159 base.
wacrm has no plan fee, no seat count, and no contact ceiling. Your costs are hosting (a few dollars a month) and Meta's messaging — which you pay on respond.io too.
Where the API sits matters
respond.io gates the Developer API to Growth ($159/month) and webhooks to Advanced ($279/month). If you want to trigger a WhatsApp message from your own backend, or push conversation events into your warehouse, that is the price of entry.
wacrm ships a public REST API and outbound webhooks on the free, self-hosted app: scoped API keys and endpoints for messages, contacts, conversations, and broadcasts. For a team whose main requirement is "let our system send and receive WhatsApp programmatically", this is the single largest cost difference between the two.
Feature by feature
Shared inbox. Both do the core job — assignment, notes, collision handling. respond.io's is more refined and handles many channels in one view; wacrm's is focused on WhatsApp and covers assignment, internal notes, tags, and real-time updates.
Automation. respond.io's Workflows builder is genuinely strong, with AI Agents on Growth and above. wacrm has a visual automations builder plus branching Flows — triggers, conditions, waits, and actions — and an AI assistant that is bring-your-own-key, so you pay OpenAI or Anthropic directly at cost rather than buying AI credits at a markup.
Sales pipelines. wacrm ships kanban pipelines with deal values and stage totals. respond.io is conversation-first and typically sits next to a separate CRM for pipeline management, which is an extra subscription.
Reporting. respond.io wins here. Advanced Reports, multiple workspaces, and SSO are real enterprise features. wacrm gives you a live dashboard — conversations over time, first-response time against target, pipeline value — and that is the extent of it.
Where respond.io is the better choice
Plainly: often.
- You need omnichannel. respond.io unifies WhatsApp, Instagram, Messenger, TikTok, email, and SMS. wacrm is WhatsApp only. If your customers reach you on four channels, this comparison ends here.
- You want someone to call. respond.io has support, SLAs, and an onboarding team. Self-hosting means you are the operations team.
- You need SSO, multiple workspaces, or masked contact details. Compliance features on the Advanced tier that wacrm does not have.
- Nobody on the team wants to run infrastructure. wacrm deploys in about 30 seconds on Hostinger Managed Node.js Hosting, but it is still a thing you own and patch.
Migrating from respond.io
Export your contacts from respond.io as CSV and import them into wacrm. Conversation history and workflow definitions do not transfer between the two — plan to carry your contact list, rebuild your automations (usually an afternoon), and start fresh on threads. Your WhatsApp number moves with you: it belongs to your Meta account, not to respond.io.
The practical sequence is to stand up wacrm alongside respond.io, rebuild your highest-volume automations, then move the number once you are satisfied.
The honest bottom line
respond.io is a better product than wacrm in most dimensions that a large team would list — breadth of channels, reporting, support, polish. It costs $948–$3,348 a year before seats and contact overage.
wacrm is free, WhatsApp-focused, and yours. If your requirements fit inside "WhatsApp, done properly, with an API and no growing platform bill", the value gap is enormous. If they do not, pay respond.io — it is a good tool and this guide is not going to pretend otherwise.
Start with Getting started, or read the wacrm vs Kommo and wacrm vs Trengo comparisons for the other hosted options. For the wider open-source field, see the roundup of open-source WhatsApp CRMs.
Frequently asked questions
Is there an open-source alternative to respond.io?
Yes. wacrm is an MIT-licensed, open-source WhatsApp CRM you self-host — shared team inbox, contacts, sales pipelines, broadcasts, and no-code automations, with the source on GitHub. respond.io is a proprietary, cloud-hosted omnichannel platform, so wacrm is the closest open-source counterpart if WhatsApp is your channel and you want to own the code and data. If you genuinely need several channels in one inbox, respond.io remains the better fit.
How much does respond.io cost compared to wacrm?
respond.io uses flat plans — roughly $79/month (Starter, 5 users), $159/month (Growth, 10 users) and $279/month (Advanced) on current pricing — plus $12-24 per additional user and, on Growth and above, overage of $12-15 per 100 monthly active contacts beyond the included 1,000. wacrm has no licence fee, no seat count, and no contact ceiling; you pay only for hosting and Meta's messaging, which you would pay with respond.io too.
Does wacrm have an API like respond.io?
Yes, and it is included free. wacrm ships a public REST API and outbound webhooks — scoped API keys, endpoints for messages, contacts, conversations, and broadcasts — on the self-hosted app at no extra cost. respond.io gates its Developer API to the Growth plan (about $159/month) and webhooks to Advanced (about $279/month), so for programmatic integrations the cost difference is large.
What are monthly active contacts and why do they matter?
A monthly active contact (MAC) is any contact you exchange messages with during the billing month. respond.io includes 1,000 on Growth and Advanced, then charges $12-15 per additional 100. Because it scales with how many people you actually reach, a single successful broadcast can add meaningfully to the bill — a campaign touching 3,000 contacts on Growth adds roughly $240 to a $159 base. wacrm has no contact limit; your only volume cost is Meta's per-message pricing.
Does wacrm do omnichannel like respond.io?
No, and this is the honest trade-off. respond.io unifies WhatsApp, Instagram, Facebook Messenger, TikTok, email, SMS and more in one inbox, with advanced reporting, SSO, and multiple workspaces on higher tiers. wacrm is WhatsApp only. If your customers reach you across several channels, respond.io is the right tool; if WhatsApp is the channel, wacrm covers it without a platform fee.
Run your own WhatsApp CRM
Fork it, self-host it, own your data. No per-agent pricing — you only ever pay Meta for messaging. The fastest route is Managed Node.js Hosting: connect your fork and it builds and deploys itself.