Gambling App Blocker
Legal, licensed,
and engineered to be opened.
Sportsbooks and casino apps aren't accidentally addictive, they're built on the same reinforcement mechanics as a slot machine. Fella blocks them by default and gives you one 5-minute unlock a day, so the app stops being a decision.
Sports betting is now legal in 38 states, and the apps built on top of that legalization are engineered by companies competing for the same limited attention as every other app on your phone. Same Game Parlays, live in-play odds, push notifications timed to individual behavior, these aren't incidental features. Multiple 2026 lawsuits against major operators allege the design itself, not just the underlying activity, is what's driving compulsive use.
The numbers back that up. Roughly 8.7% of regular sports bettors now meet the clinical criteria for a gambling disorder, up 2.3 points in five years, and another 30% are classified as at-risk. About half of online sports bettors show loss-chasing behavior. Women now make up 29% of problem bettors, up from 18% in 2020, the fastest-growing share of any demographic. This page covers why the apps themselves are the right thing to block, and how to actually do it.
Why these apps are built like slot machines
Gambling addiction research consistently points to one mechanism above almost everything else: near-continuous reinforcement, a very short gap between an action and finding out if it paid off. Slot machines are the classic example. Modern sportsbook apps recreate that same compression with live in-play betting, microbetting on individual plays, and parlay slips where each leg resolves separately and instantly.
Layered on top of that mechanical design is behavioral targeting. Lawsuits filed in 2026 allege operators use AI and user behavior data to identify individual vulnerabilities, then time push notifications and promotions, odds boosts, "can't miss" lines, VIP offers, to reach people late at night or right after a loss, when judgment is already compromised.
It's not only sportsbooks
Online casino apps run the same reinforcement mechanics without even needing a live sporting event as an excuse, and several major sportsbooks, including BetMGM, bundle a full casino into the same account. A session that starts with a football bet can end on slots once the game is over, with no separate app to open and no natural stopping point in between.
Gamified trading apps deserve a place on this list too, even though the underlying product is legal investing, not betting. Robinhood's one-click trades, its free-stock sign-up lottery, and its now-removed confetti animation were built with the same behavioral design language as gambling apps, and researchers have described the resulting checking behavior in similar dopamine-driven terms. If an app makes you check it ten times a day for reasons you can't fully explain, the underlying asset class matters less than the design.
Why in-app responsible gaming tools fall short
Every major operator offers deposit limits, time-outs, and self-exclusion inside its own app. Those tools are genuinely useful, but they all share the same structural gap: they restrict what you can fund, not what you can open. With a deposit limit set, the app still opens, odds still update, promotions still arrive, and a self-excluded account on one operator doesn't stop you from downloading a different one.
Fella works underneath all of that, at the iPhone level rather than the account level. Using Apple's Screen Time framework, Fella keeps selected apps blocked by default, so there's nothing to open regardless of which operator, sportsbook, casino, or trading app, you're trying to avoid. One emergency 5-minute unlock a day covers genuine account access, and it locks itself back up automatically when the window ends.
Apps people block through Fella
Sportsbooks. DraftKings, FanDuel, and BetMGM are the three largest US operators, each combining parlays, live betting, and heavy push notifications to keep a bet slip open in your pocket.
Daily fantasy sports apps. The same weekly re-entry loop that made DFS popular before legalized betting still applies, new contest, new lineup, every single week.
Online casino apps. Slots and table games built into a sportsbook account, or standalone, run on the same near-continuous reinforcement as any other gambling product.
Gamified trading apps. Robinhood and similar apps use comparable behavioral mechanics, even though the product is stocks, not bets.
Gambling app blocker FAQ
A gambling app blocker is a tool that restricts access to sportsbook, casino, and DFS apps on your phone, so the app cannot be opened without going through a deliberate step, rather than relying on willpower alone.
Screen Time app limits can be bypassed with a single tap on "Ignore Limit." Fella uses the same underlying Apple framework but keeps selected apps blocked by default with one emergency 5-minute unlock per day, instead of a limit you can dismiss.
No. Fella blocks the app on your iPhone. It does not close accounts, cancel pending bets, sell positions, or touch balances on DraftKings, FanDuel, BetMGM, Robinhood, or any other app you block.
Yes. Fella includes one emergency 5-minute unlock per day. When the window ends, the app locks again automatically.
Sportsbooks like DraftKings, FanDuel, and BetMGM, daily fantasy sports apps, online casino apps, and for many people, gamified trading apps like Robinhood, which use similar behavioral mechanics even though the underlying product is stocks, not bets.
Block specific apps: DraftKings, FanDuel, BetMGM, and Robinhood.