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Leaderboard / Kit / Replaced

cloudonaut replaced Kit

Now: Own serverless newsletter + CRM on AWS, running 5 weeks

$578net saved per year, after running costs

The two-person team behind cloudonaut, bucketAV and attachmentAV replaced Kit with their own newsletter and CRM system on SES, Lambda, Step Functions and Aurora DSQL, driven by cost and bot sign-ups. Newsletters are now sent from a CLI and the stack costs under a dollar a month.

Receipt #02882026-09-28

cloudonaut

Old billKit, $590 a year
$49
NowAWS pay-per-use, under $1 a month
$1
Net saved per month$48/mo

One-off AI build cost $25. Not in net saved.

Thank you for not renewing

Source

cloudonaut.io

Numbers as reported. How this ledger works

Timeline

  1. Replaced2026-09-28

Stack

claudeawsamazon-sescustom-buildvibe-coded

Embed

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Others who left Kit

#CompanyNet saved /mo
1
LegendsverseKit replaced with Own BYOMailer on Amazon SES
$197/mofor 5 months
2
Timothy MillerKit replaced with Self-hosted Sendy on AWS SES
$40/mofor 17 months
3
Justin McKelveyKit replaced with One Rails 8 app with Amazon SES
$28–$32/mofor 9 months

Everyone who replaced Kit

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