Cortex app vs Opal
Prices and ratings from the US App Store, checked on 2026-09-13. They change; tell us if one is outdated.
Opposite philosophies: Opal locks you out on a schedule and is deliberately hard to bypass; Cortex app never blocks, it makes you decide. Pick by which failure mode you have.
Opal blocks apps on schedules and is hard to circumvent; Cortex app doesn’t block, it makes you pause and decide. If you need to be locked out, Opal. If what you want is to stop opening Instagram on autopilot without fighting a wall, Cortex app. Cortex Pro is $14.99 a year; Opal is $99.99.
Opal is the most-reviewed app in the category (88,000 US ratings), with focus sessions, Deep Focus mode, website blocking and a community forum. It requires iOS 18. Cortex app runs on iOS 17 or later, costs a seventh of the price per year, and does one thing: the pause, the question, the score.
| Cortex app | Opal | |
|---|---|---|
| Approach | Pause + intention question | Hard block |
| What happens during the pause | Breathing · typed math · trivia · your own usage numbers · time box | No |
| Asks why you’re opening the app | Yes | No |
| Daily score and streaks | Yes | Partial |
| Custom pause length | Pro | — |
| Schedules | Pro | Yes |
| Daily usage limits | Pro | Yes |
| Blocks websites | No | Yes |
| Shortcuts / automations | Yes | Yes |
| Platforms | iPhone | iPhone |
| Minimum iOS | iOS 17 | iOS 18 |
| Free tier | 1 app, full features | Limited |
| Yearly | $14.99 | $99.99 |
| Monthly | $3.99 | $19.99 |
| Lifetime | $79.99 | — |
| Published research | No | No |
| App Store rating (US) | See App Store | 4.7 ★ · 88K |
Choose Opal if…
- You need a hard block you can’t talk yourself out of (evenings, exams, deadlines).
- You want website blocking and scheduled focus sessions in one app.
- You want the biggest community and the most reviews in the category.
Choose Cortex app if…
- Blockers have failed you before — you always find the workaround.
- You want awareness at the moment of the impulse, not a wall after it.
- You want the free tier to actually do the core thing, and Pro to cost $14.99 a year instead of $99.99.
Cortex app vs Opal — FAQ
Is Cortex app a free Opal alternative?
The free tier monitors one app with a 5-second pause and full scoring. Opal has a free tier too, but Opal is a blocker; if what you want is a pause, free Cortex app already does the core thing.
Which is harder to bypass?
Opal, by design. Cortex app is not trying to be hard to bypass: after the pause you can always continue. The bet is that a decision repeated beats a wall avoided.
Does Cortex app work on iOS 17?
Yes. Opal requires iOS 18 or later.
Why is Opal so much more expensive?
Different scale and scope: a bigger team, more features (website blocking, focus sessions, a forum). Cortex app is one developer building one mechanic.
5.0 ★ on the App Store · iOS 17+