Rethink
Dealcontent-filtering software that delays sending potentially cyberbullying
Rethink appeared on Shark Tank in Season 8.
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From the show
The Shark Tank pitch
- $100K
- Asked for
- 20%
- Offered equity
- $500K
- Sought valuation
- $100K
- On-air deal amount
- 20%
- Deal equity
- $500K
- Implied equity valuation
The pitch introduced Rethink in Season 8, Episode 1. The episode aired September 23, 2016.
The ask was $100,000 for 20% of the company, an implied valuation of $500K.
Rethink reached a recorded on-air agreement with Mark Cuban and Lori Greiner for $100,000 and 20% equity. The record lists a $500K implied deal valuation. These are the reported on-air terms, not confirmation that funding was completed.
The index records 59 accepted on-air deals among 96 Season 8 pitches. Across 73 tech & software pitches with known outcomes in the index, 56% are recorded as accepted deals.
Is Rethink still in business?
Read our 2026 update on where the company is now.
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Frequently asked questions
Where can I buy Rethink?
We have not verified a current official store or active Amazon listing for Rethink. The product may be discontinued or sold under a different name.
Did Rethink get a deal on Shark Tank?
Rethink reached a recorded on-air agreement with Mark Cuban and Lori Greiner for $100,000 and 20% equity. The record lists a $500K implied deal valuation. These are the reported on-air terms, not confirmation that funding was completed.
Which shark made an on-air offer to Rethink?
Mark Cuban and Lori Greiner appear in the recorded on-air terms for Rethink. The deal answer above gives the recorded structure.
What season of Shark Tank was Rethink on?
Rethink appeared in Season 8, Episode 1, which aired September 23, 2016.
How much was Rethink asking for on Shark Tank?
The founders asked for $100,000 for 20% of the company, a $500K valuation.
Shark Tank Index may earn a commission on purchases made through links on this page. Deal figures reflect what aired; terms sometimes change after the show.
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