Respond.io vs Saysimple: Pricing and Feature Comparison 2026

Summary

Respond.io bills on Monthly Active Contacts (MAC), the number of contacts who message you in a billing month, with overage charged in blocks of 100 once you cross your plan's limit. Saysimple runs on a flat monthly licence per plan instead, so your bill doesn't move with how many contacts you talk to that month. If your WhatsApp volume grows or swings with seasonality, a flat licence is usually cheaper and more predictable than a MAC based model, even when Respond.io's entry price looks similar at first glance. Saysimple also adds WhatsApp call deflection and native Spanish, English and Dutch support, two things Respond.io doesn't match the same way.

TL;DR

If you're evaluating WhatsApp Business platforms for your team, you've probably already come across Respond.io. It shows up constantly in customer service software comparisons, and its Monthly Active Contact (MAC) pricing model sounds reasonable right up until your business grows or hits a seasonal spike.

That's usually the point where teams start looking at alternatives. The real difference between Respond.io and Saysimple isn't how the inbox looks, it's how you get charged for using it. One bills by contact volume, the other by a flat licence with optional modules on top.

This comparison covers how each platform actually bills, what each one covers feature by feature (with a close look at call deflection, automation and integrations), which one gets you faster support, and a summary table so you don't have to read two separate pricing pages side by side.

What is Respond.io and what is Saysimple?

Respond.io is a multichannel conversation management platform, covering WhatsApp, Instagram, Messenger and web chat among other channels, built mainly for sales and support teams handling high conversation volume with automation and AI baked in.

Saysimple is an omnichannel WhatsApp Business inbox platform built for B2B companies, wholesale and distribution businesses, automotive dealer groups, that need to centralize customer communication, automate routine replies and, in some cases, deflect phone calls to WhatsApp to take pressure off a busy support line.

Pricing comparison: MAC model vs flat licence

How Respond.io bills (active contacts and overage)

Respond.io charges based on Monthly Active Contacts (MAC): any contact who sends or receives a message within the billing month, broadcasts excluded. On annual billing, its plans are Starter ($79/month), Growth ($159/month, 1,000 MAC included, with automation and AI features) and Advanced ($279/month, 1,000 MAC included, deeper integrations and AI voice). Enterprise is custom priced with unlimited MAC.

The part worth watching is overage. Once you cross your MAC allowance, Respond.io bills extra contacts in blocks of 100, roughly $12 per block on Growth and $15 on Advanced. If your conversation volume spikes during a campaign or a busy season, that overage shows up on next month's invoice even though your base plan didn't change. For a deeper look at how WhatsApp Business API pricing works in general, see our guide on WhatsApp Business API pricing.

How Saysimple bills (Grow and Scale plans)

Saysimple runs on a flat monthly licence, with no per active contact charge. The Grow plan is €119/month on annual billing (€139/month monthly), includes 5 users, 2,000 contacts and 1 WhatsApp channel, expandable up to 10. The Scale plan is €289/month on annual billing (€349/month monthly), includes 10 users, 5,000 contacts and 2 WhatsApp channels, with unlimited channels available. Both plans carry a one time activation fee (€450 on Grow, €1,250 on Scale), and extra contacts or seats are added as a straightforward upgrade rather than an automatic overage charge once you cross a threshold. You can see the full breakdown on the Saysimple pricing page.

The practical difference: with Saysimple you know what next month costs before it happens, even if your conversation volume climbs. With Respond.io, that same spike can turn into a higher bill without warning.

Feature comparison

Omnichannel inbox

Both platforms offer a shared inbox where the team handles WhatsApp and other channel conversations from one place, with assignment, tags and internal notes. The experience is fairly similar here, the real difference sits in the pricing model rather than the interface.

Automation and WhatsApp flows

Respond.io leans heavily into AI and advanced automation, with visual flow builders and AI agents as a core part of its pitch. Saysimple also offers WhatsApp flow automation, chatbots and smart routing by department, built around repetitive B2B processes like order status, product availability or appointment confirmations.

WhatsApp call deflection

Saysimple offers WhatsApp call deflection, a feature Respond.io doesn't provide. When a support line is overloaded, a caller can choose to switch to WhatsApp from the phone queue, and the team continues the conversation by text instead of holding the line. For businesses with a high volume of service or aftersales calls, dealer groups and distributors especially, that takes real pressure off the phone.

Integrations and API

Both platforms offer their own API and CRM integrations, though the exact connector list varies by provider and changes over time. Before deciding based on a specific integration, it's worth confirming directly with each vendor whether your particular CRM or ERP is currently supported.

Support and onboarding: who gets you moving faster?

This is where Saysimple stands out for teams that need native language support: support and onboarding in Spanish, English and Dutch, with a team that stays involved through implementation. Respond.io's support runs primarily in English, which can slow down issue resolution for teams that prefer working in another language.

Can you migrate from Respond.io to Saysimple without losing history or service continuity? Yes. Saysimple's team supports the migration with guided onboarding, helping move templates, flows and channel configuration across so the switch doesn't interrupt your customer service.

When should you choose Saysimple over Respond.io?

Our take, after comparing both models: if your active contact volume is low and stable, Respond.io can genuinely come out cheaper month to month. But the moment your business has seasonality, campaign spikes or growing customer numbers, a MAC based model starts penalizing you exactly when you need it least. That's where a flat licence like Saysimple's stops being a preference and becomes the lower risk option financially.

It's a pattern that shows up fairly often with teams coming from another platform: they sign up at an attractive entry price, and months later a bill well above what they budgeted for, from quietly crossing the contact or conversation limit built into their plan, forces a rethink. This isn't one specific customer of ours, it's a common situation across the sector with usage based pricing, and it's exactly the risk a flat licence removes from month one.

A real example of why predictability matters is the Airzone case, a Spanish climate control manufacturer. They used to run support through WhatsApp Web, which limited access to a handful of users and had no integration with their CRM (HubSpot), creating duplicated work and poor traceability. With Saysimple they centralized communication, automated replies with bots and flows, and connected the channel directly to HubSpot, all at a cost they knew in advance. The result: response times up to 6 times faster, and a team that, in their own words, would "recommend this solution to any company looking to centralize communication, improve customer service, and scale efficiently."

Summary comparison table

Frequently asked questions about Respond.io and Saysimple

Do Respond.io and Saysimple use the same pricing model?
No. Respond.io charges by Monthly Active Contacts (MAC) with possible overage in blocks of 100. Saysimple offers a flat monthly licence with optional modules, without that automatic overage.

Does Saysimple have features Respond.io doesn't?
Yes, WhatsApp call deflection is one, built to take pressure off a busy support phone line.

Which one fits mid sized companies better?
For teams that value native language support alongside a predictable monthly cost, Saysimple tends to be the better fit, especially if contact volume shifts with the season.

Can I migrate from Respond.io to Saysimple?
Yes. Saysimple's team supports the process with guided onboarding to move templates and configuration across without interrupting service during the switch.

Closing thoughts

Neither platform is a bad choice, they simply fit different situations depending on how your conversation volume moves. If your active contact count is low and predictable, Respond.io's entry price can win. If your business has spikes, campaigns or growth, what actually matters isn't the price in month one, it's what happens to your bill the month that volume takes off.

Ready to try a transparent alternative to Respond.io?

If you want to see what your monthly cost would look like with a flat licence instead of a Monthly Active Contact model, request a free demo with the Saysimple team and we'll walk through your specific setup together.

Sources

• Respond.io: Respond.io Pricing (official blog), for the plans, pricing and overage policy for Monthly Active Contacts cited in this comparison.
• Chatarmin: Respond.io Pricing 2026, as a second independent public source to cross-check Respond.io's figures.