✓ Respondable
AI add-on for Gmail that analyzes your emails in real time to boost clarity, tone, and response rates.
Why we recommend them
Respondable is a Boomerang for Gmail feature that uses machine learning trained on millions of messages to give real-time writing feedback as you compose emails. It scores tone, subjectivity, and length, and predicts the likelihood of getting a response, helping professionals write clearer, more effective messages to bosses, clients, or new contacts.
✓Built into Gmail via the Boomerang browser extension/add-on
✓Provides real-time, in-line feedback on tone, politeness, and predicted response rate
✓Part of Boomerang's broader suite (scheduling, follow-ups, send later) with free and paid tiers
What we actually verified
9/10 TrustScore✓Money-back guarantee verified“…BILLING · GROUP DISCOUNT Boomerang for Teams Privacy Policy Refund Policy Billing FAQ Copyright © 2010- 2017 Baydin, Inc . All Ri”
—Free trial available
✓Reachable customer service“…ncluding the Limited Use requirements. Terms of Services × mailto:support@baydin.com Using Bookable Schedule with multiple ca…”
✓No fine-print return conditions
✓No unrealistic claims detected
Vetted 2026-07-21 · How we vet →
Straight referral — we earn nothing from this link.
Common questions about Respondable
Is Respondable legit and safe to buy from?
Yes — Respondable passed the WhatiseBrokering.com vetting checklist (try before you buy, no fine-print returns, a real way to reach them, realistic claims only) before being listed. We remove companies that stop meeting the standard.
Can I get my money back from Respondable if it's not right?
Yes — our vetting verified that Respondable offers a money-back guarantee, with no fine-print return conditions like "unopened" or "original packaging" detected at the time of vetting.
How do I reach Respondable if something goes wrong?
Respondable publishes a real customer-service contact (phone or email) — that's a listing requirement. If you can't get a response, tell us at partnerships@whatisebrokering.com and we'll review their listing.
Why is Respondable listed on WhatiseBrokering.com?
We discovered and vetted Respondable ourselves. They don't pay us anything — they're listed purely because they meet the standard.
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Had a bad experience with Respondable?
This directory only works if every listing keeps earning its place. If Respondable didn't live up to the standard — refused a return, unreachable support, misleading claims, anything — tell us. We'll re-review them against our vetting criteria, and if they're not abiding by our rules, we remove the listing. No exceptions, no pay-to-stay.
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