| Cover | Jan. 18, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Jan. 18, 2022 |
| Entity Registrant Name | PEAR THERAPEUTICS, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39969 |
| Entity Tax Identification Number | 85-4103092 |
| Entity Address, Address Line One | 200 State Street |
| Entity Address, Address Line Two | 13th Floor |
| Entity Address, City or Town | Boston |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02109 |
| City Area Code | 617 |
| Local Phone Number | 925-7848 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001835567 |
| Amendment Flag | false |
| Class A common stock, par value $.0001 per share | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A common stock, par value $.0001 per share |
| Trading Symbol | PEAR |
| Security Exchange Name | NASDAQ |
| Warrants, each exercisable for one share of Class A Common Stock for $11.50 per share | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants, each exercisable for one share of Class A Common Stock for $11.50 per share |
| Trading Symbol | PEAR.W |
| Security Exchange Name | NASDAQ |
