No hidden fees or surprise price hikes — just value that drives results. While Trengo limits your growth and strains your budget, respond.io unlocks ROI at scale.
Both Trengo and respond.io unify messaging channels and boost customer engagement. But when it comes to pricing transparency and mature omnichannel automation, the difference is significant.
| Feature | Trengo | respond.io |
|---|---|---|
| WhatsApp Capabilities | ||
| Meta Business Partner | ✓ | ✓ |
| WhatsApp Business Calling API | ✗ | ✓ |
| WhatsApp Business App + API (Coexistence) | ✗ | ✓ |
| WhatsApp Catalog | ✗ | ✓ |
| Broadcasts | ✓ | ✓ |
| Omnichannel Capabilities | ||
| TikTok Business Messaging | ✗ | ✓ |
| LINE & Viber | ✗ | ✓ |
| WhatsApp, Instagram, Messenger, Telegram, Email | ✓ | ✓ |
| VoIP Calls | ✓ | ✓ |
| Cross-channel Conversation Merge | Same channel only | Any channel → unified contact profile |
| Automation & Lead Management | ||
| Customer Lifecycle Management | ✗ | ✓ |
| Workflow Automation | Limited; additional fees apply | Unlimited, all channels — complex business processes supported |
| Click-to-Chat Ads Automation Triggers | ✗ | ✓ |
| Reports & Analytics | Support-focused metrics only | Comprehensive — ad attribution, broadcast, lifecycle, team performance |
| AI Features | ||
| AI Agent | Focused on FAQs and basic support; limited advanced actions | Full AI Agent — qualifies leads, handles processes, answers calls, escalates to humans |
| AI Assisted Message Drafts | ✗ | ✓ |
| AI Integration with Automated Workflows | Additional fees | Included from Growth plan upward — no extra cost |
| Support & Stability | ||
| Onboarding Support | Limited | Full guided onboarding on every plan |
| Live Support Availability | Email on Boost; chat during CET office hours only — reviews cite slow responses | 24/5 expert chat + 24/7 AI agent — all plans, no extra cost |
| Support via Phone / Call | ✗ | ✓ |
| High-Volume Stability | Crashes reported under high message loads | 99.999% uptime — built for millions of msgs/day |
| Integrations | ||
| HubSpot & Salesforce | Pro plan ($599/mo+) only | Available from Starter plan ($79/mo) |
| Google Sheets, Zapier, Make | ✓ | ✓ |
| Shopify & WooCommerce | ✓ | ✓ |
| Pricing | ||
| Entry Plan | Boost — ~$113/mo (20 users)300 conversations/mo · 180-day archive · Basic automation | Starter — $79/mo5 users · Unlimited Monthly Active Contacts* · No conversation cap |
| Mid-Tier Plan | Engage — ~$347/mo (20 users)18,000 conversations/yr · Automation & AI at extra cost | Growth — $159/mo10 users · 1,000 MAC · Unlimited workflows · Unlimited AI credits |
| Advanced Plan | Optimize — ~$695/mo (20 users)Unlimited conversations · AI conversations billed separately | Advanced — $279/mo10 users · All features · Unlimited workflows & AI credits |
| Hidden / Add-on Fees |
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* Monthly Active Contacts = contacts you actually chat with in a given month. You don't pay for stored contacts you never engage.
Trengo just gets you conversations. respond.io gets you conversions — on every channel, at any scale, with pricing that makes sense.
Trengo may get you started but respond.io takes you to the next level with smarter omnichannel workflows, higher revenue and a platform built to scale your business.
No more switching between apps to chat. Unify contacts and conversations from voice calls, email, WhatsApp, TikTok, Facebook Messenger, Instagram and more.
Answer FAQs about programs, fees, and schedules instantly. AI agents collect student or parent info, qualify leads, and route inquiries to the right department—no manual follow-up needed.
Connect respond.io to tools like HubSpot, Salesforce, Google Sheets, Zapier, Make, n8n and more to automate workflows and access key context while you chat.
Prioritize high-intent leads, design customer journeys for each lifecycle stage or identify common drop-off points with analytics.
Capture leads from Meta ads, automate appointment bookings, share product info instantly with Meta Catalogs and more.
Grow customer loyalty with targeted broadcasts for promotions, renewals, upgrades and CSAT surveys.
Track response times, Meta ad and broadcast performance, and conversions to turn insights into revenue.
Never lose leads due to crashes or downtime. Unlike other providers, respond.io guarantees high platform reliability.
Ensure the protection of customer and business data with ISO 27001 certification, GDPR compliance, SSL encryption, two-factor authentication, extensive cloud security measures, and SSO.