Firstbase.io
Launch, manage, and grow your company – in one place.
Y Combinator
Make something people want.
Updated February 2026
| Firstbase.io | Y Combinator | |
|---|---|---|
| Rating | 1.8★ | 5.0★ |
| Reviews | 11 | 27 |
| Pros | 2 | 9 |
| FactScore™ | 19.6 | 72.4 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Firstbase.io — Pros
Fast incorporation Rewards and benefitsBoth tools — Pros
—Only in Y Combinator — Pros
Educational content Inspirational success stories Access to advisors Founder community Funding opportunities Global reach Networking opportunities Safe note templates Startup incubatorOnly in Firstbase.io — Cons
Poor customer support Slow response times Delayed company formation Unresponsive support Incomplete service delivery Lack of proactive communication Unreliable service Generic support responses Missing documentation Unexpected additional costs Collaboration with Mercury bank Overpriced servicesBoth tools — Cons
—Only in Y Combinator — Cons
Limited support for early-stage buildersDetails
| Firstbase.io | Y Combinator | |
|---|---|---|
| Categories | Startup communities, Fundraising resources, Legal services, Startup incorporation | Startup communities, Fundraising resources |
| Platforms | Web | Web |
| Became Popular | September 30, 2022 | December 6, 2013 |
| Website | www.firstbase.io | ycombinator.com |
Who Should Pick Which?
Choose Firstbase.io if...
- Fast incorporation
- Rewards and benefits
Choose Y Combinator if...
- Educational content
- Inspirational success stories
- Access to advisors
With a FactScore™ of 19.6 vs 72.4, Y Combinator leads in community reception. Firstbase.io uniquely offers Fast incorporation and Rewards and benefits, while Y Combinator stands out for Educational content and Inspirational success stories.
What Users Say
Firstbase.io
I’ve been waiting for over 20 days to incorporate a company. Their support team doesn’t respond or provide an update, and there’s no way to reach someone on a call. I choose Firstbase to support an...
We have used Firstbase to launch and service our company in the US.
Extremely Disappointed - Overpriced Services and Non-Existent Support Last year, we purchased a package for three companies from Firstbase to test their U.S. company formation services, considering...
Y Combinator
Y Combinator does not need much of an introduction, but it has been a game changer for us. Between the one on one advice from group partners, the incredible community of founders, events, and much ...
YC changed our lives. Speaking for myself, I had no idea how to do a start-up when we went through YC the first time around with Citus Data. YC has also been instrumental for Ubicloud, so wanted to...
As part of YC W23, we’ve experienced firsthand how YC accelerates growth. The mentorship, network, and focus on building what users need are unmatched.
Related Comparisons
Frequently Asked Questions
Which is better, Firstbase.io or Y Combinator?
Based on FactScore™, Y Combinator leads with a score of 72.4 vs 19.6. Y Combinator has a higher rating of 5.0★ compared to 1.8★.
What are the pros of Firstbase.io compared to Y Combinator?
Firstbase.io uniquely offers: Fast incorporation, Rewards and benefits.
What are the pros of Y Combinator compared to Firstbase.io?
Y Combinator uniquely offers: Educational content, Inspirational success stories, Access to advisors, Founder community, Funding opportunities.
Is Firstbase.io better rated than Y Combinator?
Firstbase.io is rated 1.8★ from 11 reviews. Y Combinator is rated 5.0★ from 27 reviews.
What is the FactScore™ of Firstbase.io and Y Combinator?
FactScore™ weighs rating and review volume together. Firstbase.io scores 19.6 and Y Combinator scores 72.4.
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