Dioptra vs Zapmail: Revenue, Funding & Team Size Compared
Dioptra generates $5M in revenue; Zapmail generates $5M. Dioptra and Zapmail are close to the same size by revenue. The table below compares Dioptra and Zapmail on funding, valuation, customers, team size and headquarters — every figure GetLatka has verified for each company.
| Company |  DioptraThis company |  Zapmail |
|---|---|---|
| Revenue | $5M | $5M |
| Valuation | Not disclosed | $75M |
| Customers | Not disclosed | 4.5K |
| Team size | 8 | 27 |
| Growth | Not disclosed | 400% |
| Cash flow | Not disclosed | $1 |
| Founded | 2021 | 2023 |
| HQ | New York, United States | San Francisco, United States |
Want the full dataset? GetLatka tracks revenue, funding and team history for thousands of SaaS companies, with charts, growth rates and founder interviews.
Dioptra at a glance
Dioptra generates $5M in revenue with 8 employees, headquartered in New York, United States.
- Revenue
- $5M
- Team size
- 8
- Founded
- 2021
Automated contract review with AI
Zapmail at a glance
Zapmail generates $5M in revenue with 27 employees, headquartered in San Francisco, United States.
- Revenue
- $5M
- Valuation
- $75M
- Customers
- 4.5K
- Team size
- 27
- Founded
- 2023
Alan de Souza built Reachbox.ai, an AI-powered cold email outreach platform offering email warmups, campaign automation, and lead enrichment. He scaled from zero revenue to $6 million ARR in just 18 months, serving 4,500 paying customers…
Other Dioptra alternatives
Dioptra competes with more than the companies on this page. Browse the full alternative lists to compare revenue, funding and team size across the category.
Dioptra vs Zapmail: frequently asked questions
Is Dioptra or Zapmail bigger?
Dioptra is the bigger company by revenue, at $5M against $5M for Zapmail.
How much revenue does Dioptra make?
Dioptra generates $5M in annual revenue with a team of 8.
How much revenue does Zapmail make?
Zapmail generates $5M in annual revenue with a team of 27.