
Sandbar
An interface company creating Stream, an AI-powered smart ring for voice-based note-taking and productivity.
About
An interface company creating Stream, an AI-powered smart ring for voice-based note-taking and productivity. Sandbar is a hardware startup that developed the Stream ring, a wearable device designed to act as a 'mouse for voice.' It allows users to capture thoughts, interact with an AI assistant, and control media playback through a touch-sensitive interface, focusing on productivity and privacy rather than health tracking.
Listed competitors
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PLAUD.AI is building the next generation of intelligence infrastructure to capture, extract, and utilize intelligence from conversations with AI-powered note-taking devices.
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Key facts
- Website
- sandbar.com
- Headquarters
- New York City, United States
- Founded
- 2023
- Total funding
- $41M (Series A)
- Business model
- B2C
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 10 Mar 2026 | Series A | $23M | Adjacent, Kindred Ventures |
| 1 Jan 2024 | Seed | $13M | True Ventures |
| 1 Mar 2023 | Seed | $5M | Blackbird Ventures |
Tech stack
Detected on sandbar.com, last scanned 1 Nov 2026. Run your own scan
- Analytics
- Google Analytics 4, Google Tag Manager, Meta Pixel
- Observability
- Sentry, Datadog
- CMS / Builders
- Webflow
- CDN
- Cloudflare
- Email provider
- Google Workspace
Sandbar scores 45. Does yours?
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Frequently asked
Is Sandbar trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Sandbar is 79 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Sandbar raised?
Sandbar has raised a total of $41M in funding. The most recent round on record is Series A.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for Sandbar


