Our verdict: Forth is the better pick if you want tools built for quitting porn, not a general sobriety clock. Forth gives you visual games based on craving research for the moment an urge hits, blocks the apps and sites you choose, and keeps progress a slip doesn’t erase. Nomo suits you better if you want free clocks for several habits and an accountability partner.
We make Forth, so we’re biased, but every fact about Nomo here comes from its own App Store listing and website. If something is out of date, tell us and we’ll fix it.
Why Forth comes out ahead
Built for quitting porn
Forth’s plan, games and blocker are designed around one goal. Nomo is a sobriety clock for many habits.
Visual games built on craving research
When an urge hits, Forth gives you a short visual game where you fit shapes, match patterns or rebuild a painting. In a 2015 study, three minutes of Tetris made cravings about 14 points weaker on a 0–100 scale, including cravings for sex.
Blocking is built in
Forth can block the apps and sites you choose through Apple’s Screen Time, with night schedules and 30-minute breaks, as part of the same subscription.
A slip doesn’t wipe you out
Finished Resets grow a world you keep, and a setback doesn’t take any of it away. Streak counters, by design, start over at zero.
Forth and Nomo side by side
| Feature | Forth | Nomo |
|---|---|---|
| Price (US, as of October 2026) | $39.99 a year in the US. Eligible new subscribers get a 3-day free trial. | Free, with no in-app purchases (a separate widgets app costs $1.99). |
| Platforms | iPhone (iOS 16 or later) | iPhone (iOS 17 or later), Android |
| Main idea | A short visual game to open when an urge hits | Free sobriety clocks for many habits, with accountability partners |
| Blocking | Included, through Apple Screen Time: apps and sites you choose, night schedules, 30-minute breaks | No |
| Community | The Room: anonymous, moderated text posts for adults 18+ | Yes, an encouragement wall and partner messaging |
| Account and data | No account. Your plan and progress stay on your phone. | Clocks are private by default |
| Faith | Not religious | Not religious |
| App Store rating (US) | 5.0 from 6 ratings (launched September 2026) | 4.8 from 16,729 ratings |
Checked October 20, 2026 against each app’s US App Store listing and website. Prices change and vary by country; the price on each app’s paywall is the one that counts.
When Nomo might suit you better
You want a free app, clocks for several habits, or an accountability partner.
How Forth works
When an urge hits, you open a Reset: a short, timed visual game where you fit shapes, match patterns, or rebuild a painting. There are no scores and no failing. Here’s the research behind it, and what else helps when an urge hits.
A quick assessment builds your plan. Forth can block the apps and sites you choose through Apple’s Screen Time, and it keeps your plan and progress on your phone. There’s no account.
Sources
- Nomo: Nomo - Sobriety Clocks on the App Store and saynomo.com
- Forth: Forth: Quit Adult Content on the App Store
- Skorka-Brown, Andrade, Whalley and May, “Playing Tetris decreases drug and other cravings in real world settings,” Addictive Behaviors, 2015.
Questions
Is Nomo free?
Yes. Nomo’s developer says it’s free and asks for donations (as of October 2026). Forth costs $39.99 a year in the US and adds visual games for urges and Screen Time blocking.
Why choose Forth over Nomo?
Forth is built for quitting porn: visual games based on craving research, blocking for the apps and sites you choose, and progress a slip doesn’t erase.