Certainly Health vs Zeffy

Side-by-side comparison of AI visibility scores, market position, and capabilities

Certainly Health leads in AI visibility (78 vs 26)

Certainly Health

LeaderHealthcare

General

SF YC S23 doctor booking with upfront cost guarantees via ML price prediction; $2.3M Pacific 8/YC seed Dec 2023 solving 57% surprise bills and 38% delayed care competing with Zocdoc for healthcare price transparency booking.

AI VisibilityBeta
Overall Score
B78
Category Rank
#99 of 1167
AI Consensus
87%
Trend
stable
Per Platform
ChatGPT
87
Perplexity
85
Gemini
82

About

Certainly Health is a San Francisco-based healthcare price transparency marketplace — backed by Y Combinator (S23) with $2.3 million in seed funding in December 2023 from Pacific 8 Ventures, Y Combinator, institutional investors, and angels — providing patients with a doctor booking platform that shows upfront out-of-pocket costs using machine learning to predict and guarantee healthcare spending before appointments, addressing the surprise medical bill crisis where 57% of Americans have received unexpected bills and 38% delay care due to cost uncertainty. Founded in 2023 by Daryl Sew and Kevin Chiu (Stanford graduate, former Uber engineer, and Uber Health founding member who grew that program to $100 million in 2 years), Certainly Health enables patients with insurance to book doctors while seeing the actual cost they will owe — not the sticker price.

Full profile

Zeffy

EmergingNonprofit Tech

Zero-Fee Fundraising

Montreal zero-fee nonprofit fundraising platform with $1B+ processed; 100% donation pass-through via optional donor tips competing with Donorbox and Classy for nonprofit fundraising technology adoption.

AI VisibilityBeta
Overall Score
D26
Category Rank
#1 of 1
AI Consensus
68%
Trend
stable
Per Platform
ChatGPT
19
Perplexity
26
Gemini
17

About

Zeffy is a Montreal-based fundraising platform for nonprofit organizations that charges zero platform fees on donations — asking donors to optionally contribute a tip to cover Zeffy's operating costs rather than deducting fees from each donation, ensuring 100% of every donated dollar reaches the nonprofit cause. Founded in 2019 by Thibaut Davoult and Nicolas Lafleur, Zeffy has processed $1+ billion in nonprofit donations and provides a comprehensive suite including online donation forms, event ticketing, peer-to-peer fundraising campaigns, recurring donation management, and membership management — giving nonprofits a full fundraising platform at genuinely zero cost.

Full profile

AI Visibility Head-to-Head

78
Overall Score
26
#99
Category Rank
#1
87
AI Consensus
68
stable
Trend
stable
87
ChatGPT
19
85
Perplexity
26
82
Gemini
17
83
Claude
29
86
Grok
18

Track AI Visibility in Real Time

Monitor how your brand performs across ChatGPT, Gemini, Perplexity, Claude, and Grok daily.