ToneSwap

ToneSwap

ToneSwap puts a Rewrite button right next to Send in Gmail. One click fixes spelling, grammar, and punctuation. Nothing else changes. Or choose exactly what your email needs. Pick a situation. Reply, follow up, say no, apologize, or ask for something. Pick a style. Make it shorter, keep it professional, write a quick reply, or switch to plain English. You see the rewrite before anything changes. Replace your draft, copy it, or try again.

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All-time revenue
$180

Ranked #5834 on TrustMRR

MRR
$20

2 active subscriptions

Founder
teteh_chinaeduCammy Jr

439 followers on 𝕏

Founded
March 2026
DEGermany

Revenue is verified withStripeStripe API key.Last updated: Nov 4, 2026, 03:48 AM

Startup insights
Value proposition

An agent that reads your draft, makes a plan and rewrites it in your voice.

Problem solved

Fix any email before you hit Send.

Audience

Email users who want personalized assistance with email drafting.

Pricing

Pro free for 14 days, then $6.58/mo billed yearly.

Funding

Bootstrapped

Domain Rating

2/100

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Tech stack

Backend

Screenshot

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