Breathometer on Shark Tank
Be the first to reviewBreathometer was a small breathalyzer that plugged into a smartphone and used an app to estimate the user's blood alcohol level. It targeted social drinkers who wanted a quick reading to help decide whether they should drive.
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⏱ Breathometer in 30 seconds
- The ask$250K for 10%Valued at $2.5M
- In the tankDeal: $1M for 30%With Daymond, Kevin, Lori, Mark and Robert
- After the showDeal closedSurvived due diligence
- TodayStatus unconfirmed
Breathometer Shark Tank deal
- Asked for
- $250,000 for 10%
- Asking valuation
- $2.5M
- Result
- Deal
- Final deal
- $1,000,000 for 30%
- Deal valuation
- $3.33M
- Founders
- Charles Michael Yim
- From
- Burlingame, CA
- Aired
- Sep 27, 2013
Deal notes: all five Sharks
Would you have invested in Breathometer?
The pitch
Charles Michael Yim from Burlingame, CA pitched Breathometer in Shark Tank Season 5, Episode 2 (aired Sep 27, 2013). They asked for $250,000 in exchange for 10% equity, valuing the business at $2.5M. The entrepreneurs walked away with a deal from Daymond John, Kevin O'Leary, Lori Greiner, Mark Cuban and Robert Herjavec: $1,000,000 for 30%. That put the final valuation at $3.33M, 33% above what they originally asked for.
What happened to Breathometer after Shark Tank?
Status unconfirmed Last checked November 1, 2026
Our checks
- : Removed the link to the company's website because the website's home page is gone.
We couldn't confirm whether Breathometer is still operating. Its website did not respond at our last check (November 2026). Readers can share updates in the reviews.
✅ The on-air deal closed after due diligence.
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Frequently asked questions
Did Breathometer get a deal on Shark Tank?
Yes. Breathometer got a deal with Daymond John, Kevin O'Leary, Lori Greiner, Mark Cuban and Robert Herjavec for $1,000,000 and 30% equity.
Which Shark invested in Breathometer?
Daymond John, Kevin O'Leary, Lori Greiner, Mark Cuban and Robert Herjavec invested in Breathometer on Season 5 of Shark Tank. Note that some on-air deals change or fall through during due diligence.
Is Breathometer still in business?
We couldn't confirm whether Breathometer is still operating. Its website did not respond at our last check (November 2026). Readers can share updates in the reviews.
What season and episode was Breathometer on Shark Tank?
Breathometer appeared in Season 5, Episode 2, which first aired on September 27, 2013.
Where can I buy Breathometer?
Search for Breathometer on Amazon or major retailers; availability varies.
What was Breathometer's valuation on Shark Tank?
The founders valued Breathometer at $2,500,000 when they entered the Tank, and the final deal valued it at $3,333,333.