Downtobid alternatives
TL;DR: 12 companies doing similar work to Downtobid in Real Estate and Construction, ranked by how closely they match what Downtobid actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Downtobid. They are scored on how closely their own description overlaps with Downtobid's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Downtobid?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Travo | . | Winter 2026 | 4 | Active |
| Laguna | — | Winter 2020 | 2 | Inactive |
| Spaces Life | — | Winter 2009 | — | Inactive |
| Sakneen | Shopify for Real Estate Developers | Winter 2020 | 9 | Active |
| Riley | MailChimp for SMS | Winter 2017 | 2 | Inactive |
| Ladder | Labor Marketplace for Construction | Summer 2020 | 1 | Acquired |
| Smart Alto | Easiest way to set appointments with real estate leads | Winter 2017 | 8 | Inactive |
| Atmos | The entire homebuilding process, all online | Summer 2020 | 30 | Inactive |
| CoCrafter | B2B construction marketplace to match contractors and subcontractors. | Winter 2024 | 9 | Active |
| Helonic | Automatic Construction Drawing Clash Detection | Fall 2025 | 2 | Active |
| TigerEye | AI for Construction | Summer 2022 | 30 | Acquired |
| BuildStream | Workforce solutions for the construction industry | Summer 2019 | 9 | Inactive |
Is Downtobid still active?
Downtobid has been acquired, which often means pricing, roadmap or support changes. That is the usual reason people start looking at this list.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Downtobid. They are then ranked on how closely their own description overlaps with Downtobid's, so the closest matches come first rather than whoever happens to share a tag.