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Apps to quit weed, compared

If you are quitting weed or taking a tolerance break, these are four apps worth a look. They differ most in which phones they run on, whether they need an account, whether they measure how your thinking recovers, and whether they have a community.

Fogless is our app. We include it, and for each of the others we say what it does well. Every fact was checked October 15, 2026 from the store listings and official sites linked at the bottom.

How to pick

Pick Grounded if you want a tolerance break or a cannabis withdrawal timeline.
Pick NoWeed if you are on iPhone, only quitting weed, and want daily missions and 12 tests.
Pick I Am Sober if you want community, daily pledges and support for a wide range of habits.
Pick Fogless if you want to track how your reaction time, memory and focus change after you quit, on any phone or computer, with no account.

At a glance

	Grounded	NoWeed	I Am Sober	Fogless
Platforms	iPhone, iPad, Mac and Android apps	iPhone only	iPhone, Apple Watch, Mac and Android apps	Any web browser: iPhone, Android, desktop. Can be added to the home screen and works offline.
Habits covered	Cannabis. The listings say it also works for cigarettes and vaping.	Cannabis	131 options across 13 categories, including alcohol, nicotine, cannabis, other drugs, food, gambling and technology	Weed, nicotine or vaping, alcohol, or a custom habit
Price	Free download. Grounded Plus on iOS: $9.99 per month, $39.99 per year, and a $3.99 item.	Free download. Premium: $9.99 per month, $29.99 per year, or $2.99 per week.	Free. Sober Plus on iOS: $9.99 per month, $27.49 for 6 months, $29.99 or $39.99 for 12 months.	Free. Pro is $4.99 per month or $29 per year.
Account needed	Not stated. The listing describes it as anonymous.	Yes, an email account	Optional. The app can be used anonymously. An account needs an email.	No account. No email.
Brain or cognitive tests	No cognitive tests found	Yes. 12 cognitive tests with global leaderboards and a Recovery Score.	No cognitive tests found	Yes. Three tests (reaction time, number memory, flanker focus) scored against your own first check.
Community	A community feature exists. Details not stated.	Global test leaderboards	Yes, large. Opens after 5 daily pledges.	No
Coaching or program	No coaching program found	Daily missions based on CBT and habit science	Workbook and guided journaling in Sober Plus	No coaching or structured program

Prices change, so check the store listing before you buy.

Grounded

Quit-weed and tolerance-break tracker with urge tracking, a journal and a withdrawal timeline.

Platforms: iPhone, iPad, Mac and Android apps
Price: Free download. Grounded Plus on iOS: $9.99 per month, $39.99 per year, and a $3.99 item.
Account: Not stated. The listing describes it as anonymous.

What it does well

Built for tolerance breaks as well as quitting for good, which many trackers skip.
A cannabis withdrawal symptom list with expected durations.
An insights dashboard that ties urges to mood, coping and social context.

Full comparison: Fogless vs Grounded

NoWeed

iPhone app for quitting weed built around cognitive tests, daily missions and a Recovery Score.

Platforms: iPhone only
Price: Free download. Premium: $9.99 per month, $29.99 per year, or $2.99 per week.
Account: Yes, an email account

What it does well

Measures recovery with repeatable cognitive tests instead of only counting days.
More tests than Fogless (12), with leaderboards.
A one-tap SOS plan for cravings and daily missions.

Full comparison: Fogless vs NoWeed

I Am Sober

Free sobriety counter with a daily pledge and a very large community. Covers more than 100 habits.

Platforms: iPhone, Apple Watch, Mac and Android apps
Price: Free. Sober Plus on iOS: $9.99 per month, $27.49 for 6 months, $29.99 or $39.99 for 12 months.
Account: Optional. The app can be used anonymously. An account needs an email.

What it does well

Covers far more habits than most trackers, all in one app.
The free tier is generous and works without an account.
The daily pledge, milestones and other people's stories give a lot of daily support. The App Store shows about 189,000 ratings averaging 4.9.

Full comparison: Fogless vs I Am Sober

Fogless

A free quit tracker that runs in your browser, with a one-minute brain check: reaction time, number memory and a focus test, scored against your own first result.

Platforms: Any web browser: iPhone, Android, desktop. Can be added to the home screen and works offline.
Price: Free. Pro is $4.99 per month or $29 per year.
Account: No account. No email.

What it does not have

No community or peer support.
No coaching or structured program.
No app store app; it runs in the browser and can be added to your home screen.

Take the free 1-minute brain check

Questions

Which apps to quit weed have brain or memory tests?

NoWeed has 12 cognitive tests with leaderboards and is iPhone only. Fogless has a one-minute check (reaction time, number memory and a focus test) scored against your own first result and runs in any browser. Grounded and I Am Sober list no cognitive tests.

Which ones work without an account?

Fogless needs no account or email. I Am Sober can be used anonymously; an account is optional. Grounded's listing describes it as anonymous. NoWeed requires an email account.

Do any of them work on Android?

Grounded and I Am Sober have Android apps. Fogless runs in the browser on Android, iPhone and desktop. NoWeed is iPhone only.

Sources

All app names are trademarks of their owners. Fogless is not affiliated with any of them.