Shimmer vs Zeffy

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

Shimmer leads in AI visibility (33 vs 26)

Shimmer

EmergingHealthcare

General

SF ADHD coaching platform connecting adults with certified coaches for 12-week executive function programs; $4M General Catalyst and YC backed at $1M ARR competing for the adult ADHD behavioral support market.

AI VisibilityBeta
Overall Score
D33
Category Rank
#699 of 1167
AI Consensus
77%
Trend
stable
Per Platform
ChatGPT
35
Perplexity
32
Gemini
36

About

Shimmer is a San Francisco-based digital health company connecting adults with ADHD to certified ADHD coaches through one-on-one video coaching sessions — providing structured 12-week coaching programs ($1,800-$2,400) featuring executive function skill building, evidence-based ADHD strategies, and accountability support for the estimated 10 million US adults with ADHD who are unmedicated or seeking behavioral support beyond medication. Founded in 2021 by former Salesforce executives Christal Bemont and Yev Khessin and backed with $4 million raised from General Catalyst and Y Combinator, Shimmer achieved $1 million in ARR as of April 2024 and facilitated 15,000+ coaching sessions.

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

33
Overall Score
26
#699
Category Rank
#1
77
AI Consensus
68
stable
Trend
stable
35
ChatGPT
19
32
Perplexity
26
36
Gemini
17
36
Claude
29
27
Grok
18

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