Bristle
We measure your oral microbiome to help you understand & improve your oral health
55 employees · est. 2020 · San Francisco, United States
Willo
Leveraging innovation and technology to transform tooth brushing for children
73 employees · est. 2014 · New York, United States
Willo is the older company (2020 vs 2014).
Side-by-Side Comparison
| Metric | Bristle | Willo |
|---|---|---|
| Founded | ||
| Founded | 2020 | 2014 older |
| Headquarters | ||
| Headquarters | San Francisco, United States | New York, United States |
| Employees | ||
| Employees | 55 | 73 |
| Industry | ||
| Industry | Health Care | Consumer Electronics, Hardware, Health Care |
| Funding Stage | ||
| Funding Stage | Seed | Seed |
| Total Funding | ||
| Total Funding | $3.13M | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 3 | 2 |
| Services | ||
| Services | Not tracked yet | automatic toothbrush systems, dye-free oral care solutions, plaque removal technology, accessible brushing solutions |
| Target Customers | ||
| Target Customers | Not tracked yet | parents, children with sensory sensitivities, neurodivergent children, dental professionals, therapists and care teams |
| Taxonomy | ||
| Taxonomy | Oral Health, Microbiome Analysis, Dental Care, Personalized Recommendations, Health Technology, Preventive Healthcare, Bacteria Analysis, Saliva Testing, Disease Risk Assessment, Medical Diagnostics, Health Education, Holistic Health, Health Optimization, Oral Microbiome, Preventive Dentistry | Children's Oral Health, Science-backed Solutions, Oral Health Technology, Electric Toothbrushes, Innovative Oral Care, Oral Health Routines, Home Dental Care, Oral Care For Kids, Parental Support In Oral Care, Pediatric Oral Hygiene |
| Website | ||
| Website | bristlehealth.com | willo.com |
About Bristle
Bristle is a United States based startup in the Health Care industry, founded in 2020. The company's slogan, "We measure your oral microbiome to help you understand & improve your oral health," encapsulates its core mission. Bristle aims to revolutionize oral health by providing a means to measure,...
About Willo
Willo, founded in 2014, is a dynamic player in the intersection of Consumer Electronics, Hardware, Health Care, and Robotics, headquartered in the United States. The company aims to innovate the realm of children's oral health by offering science-backed solutions that are designed to promote effecti...
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Funding, hiring, leadership and stack changes at Bristle and Willo — by email.
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Compiled from the BounceWatch company index. We last looked at Bristle on 13 Sep 2024, and Willo on 19 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.