{
 "study_id": "aibm-r07-signup-emails",
 "slug": "saas-signup-emails-2026",
 "title": "Report 07: how much email a SaaS sign-up brings in 14 days",
 "type": "hands_on_test",
 "edition": "2026-11-07",
 "first_published": "2026-11-08",
 "population": "Business software tools we signed up for in our own test accounts: 52 completed 14-day windows, 2026-10-19 to 2026-11-07.",
 "population_short": "52 tools, 14 days each",
 "selection": "Not a sample of the market: tools from our review corpus that we tested hands-on with a free plan or trial. A tool counts once its 14-day window has ended; a refused sign-up does not count.",
 "measurement_period": {
  "start": "2026-10-19",
  "end": "2026-11-07"
 },
 "headline": {
  "text": "median emails per tool in the first 14 days after sign-up",
  "numerator": 6.0,
  "denominator": null,
  "metric": "median_emails_14d"
 },
 "metrics": [
  {
   "id": "emails_total",
   "label": "emails counted",
   "numerator": 348,
   "denominator": null
  },
  {
   "id": "emails_first_two_days",
   "label": "emails in the first two days",
   "numerator": 133,
   "denominator": 348
  },
  {
   "id": "tools_with_offer",
   "label": "tools that emailed an explicit discount",
   "numerator": 6,
   "denominator": 52
  },
  {
   "id": "tools_no_email",
   "label": "tools that sent no email at all",
   "numerator": 5,
   "denominator": 52
  },
  {
   "id": "tools",
   "label": "tools in this edition",
   "numerator": 52,
   "denominator": null
  }
 ],
 "limitations": [
  "Not a random sample: tools we review and could sign up for ourselves.",
  "One mailbox per sign-up; we count mail we can attribute to the vendor without doubt.",
  "Emails include confirmations and onboarding as well as sales mail; we do not classify them here.",
  "Mail removed or archived outside our observation is not counted."
 ],
 "method_url": "#method",
 "evidence_url": "#tools",
 "verification": {
  "last_verified": "2026-11-07"
 },
 "next_full_recheck": "with every new completed 14-day window (new edition)",
 "schema": "aibm-research-manifest/1",
 "files": [
  {
   "name": "signup_emails.csv",
   "url": "/research/saas-signup-emails-2026/data/2026-11-07/signup_emails.csv",
   "bytes": 5009,
   "sha256": "4e314306e84af1ed78f1ec0a5a21a83214cce4c80091c3da2d01cf744abbb3b0"
  }
 ],
 "author": {
  "name": "Daan Haket",
  "alternateName": "Daniel Haket",
  "url": "https://aibuildermarketplace.com/about/",
  "email": "daniel@aibuildermarketplace.com"
 },
 "reviewer": null,
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/",
  "scope": "Our own data, analysis, tables and charts. Quoted vendor text and screenshots of vendor pages remain the vendor's; we reproduce them as evidence."
 },
 "contact": "daniel@aibuildermarketplace.com",
 "corrections": [],
 "fingerprint": "308ecd5b02cfdcf6",
 "edition_published": "2026-11-08"
}