Every Zenvi challenge that unlocks your apps, explained
Zenvi's full challenge list: math, memory, AI quiz, breathing, QR scan, fitness reps, and AI-photo habits — the quick tasks you do to unlock apps and earn screen time.
When you try to open Instagram on an iPhone running Zenvi, you don't hit a wall. You hit a challenge: a small task you finish before the app opens. The question most people ask first is simply which tasks, so here is the whole menu.
The full list of Zenvi challenges
| Challenge | What you do | Best for |
|---|---|---|
| Math | Solve a quick equation; difficulty scales as you go | Waking the brain before the feed does |
| Memory | Watch a sequence of tiles, then repeat it | A reflex grab that needs real attention |
| AI Quiz | Answer a question generated on a topic you set | Deep-work interruptions worth questioning |
| Breathing | Take four guided breaths before the app opens | Evening wind-down, calming not stimulating |
| QR Scan | Scan a code you placed at a real-world spot | Putting physical distance in the way |
| Fitness Reps | Push-ups or squats, counted live by the camera | Staying in a physical frame of mind |
| AI Photo | Snap proof of a real habit; on-device AI confirms it | Earning Zens for things you already do |
Seven families, one job each: turn an automatic reach into a deliberate one. Below is what each actually feels like to use.
The cognitive challenges: math, memory, and AI quiz
These three put a thinking task between you and the app. Math is the default most people never change, and that's fine — a quick equation that gets harder as you go is enough activation cost to interrupt a reflex. Memory shows you a short sequence of tiles and asks you to repeat it, which demands a different kind of attention than arithmetic. AI Quiz generates a question on a topic you choose and wants ten to fifteen seconds of genuine focus, which is exactly long enough to make your brain ask whether the distraction is worth breaking your work for.
Cognitive friction is the right tool when the problem is autopilot. If your hand opens TikTok before your prefrontal cortex has clocked in, a task it has to think through is the cleanest way to break the loop.
The calming challenge: breathing
Not every moment wants more stimulation. At 11pm, a math problem signals there are still things to figure out, which is the opposite of what a wind-down needs. Breathing asks for four slow guided breaths and nothing else. Half the time the pause alone is enough to put the phone down, because the loop breaks before you have to argue your way out of it. Pair it with a schedule so the breathing challenge runs from late evening onward.
The physical challenges: fitness reps and QR scan
These two move the cost off the screen and into the room. Fitness Reps uses the iPhone camera to count push-ups or squats in real time, which keeps you in a physical mode instead of pulling you into a screen one. Doing ten reps to unlock Instagram between gym sets either improves the workout or reveals you didn't really want the app.
QR Scan is the one that surprises people. Place a code at your front door, the kitchen sink, or wherever you'd go if you actually left the couch, and the challenge becomes walking to it. Making the cost spatial rather than just mental is something the reflex can't quietly route around. It's the same logic behind using movement to unlock apps.
The positive challenge: AI-photo habits
The AI Photo challenge runs the mechanic in reverse. Instead of a cost before a distraction, it rewards a habit you're already building. Read a book, drink water, or cook, snap a photo, and on-device AI confirms it happened and credits Zens to your balance. Those Zens go toward unlocking time on the apps you genuinely want. Your good behavior becomes the currency instead of the problem.
How "20+ challenges" adds up
Seven families is the honest count of types, but the configurable total is higher. Math and memory each scale through difficulty levels. Fitness reps let you set the count and the movement. AI quiz changes with every topic you pick. AI-photo habits are defined per habit you want to verify. Stack those options across the apps and categories you gate, and you land well past twenty distinct challenges in practice.
How you assign a challenge to an app
Zenvi blocks apps through the system-level Screen Time API, then lets you attach any challenge to any app or category. You can run math on Instagram, breathing on TikTok after 10pm, and a QR scan on Reddit, all at once. Rotate them periodically so you don't adapt to a single task, and add Strict Mode (a Pro feature) when future-you keeps negotiating past-you out of the rule. This is the core of an app blocker built on challenges rather than brute-force blocking.
The starting move most people should make: set math on everything, then swap in breathing after 10pm. One change, test it for a week, expand from there.
FAQ
What challenges does Zenvi have?
Zenvi has seven challenge families: math, memory, AI quiz, breathing, QR scan, fitness reps, and AI-photo habits. Each can be assigned to any app or category you choose to gate.
How many challenges does Zenvi support?
Zenvi supports 20+ challenges. That comes from seven challenge types multiplied by difficulty levels, configurable rep counts, custom quiz topics, and per-habit photo verification.
Do I have to do a challenge every time I open an app?
Yes, for the apps you've gated. Opening a blocked app triggers the challenge you assigned to it, so each unlock becomes a small deliberate action rather than a reflex.
Which Zenvi challenge should I start with?
Start with math on every gated app, since it works for almost everyone and takes seconds. Then add breathing for late evenings, when the goal is to calm down rather than wake up.
Can a challenge earn me screen time?
Yes. Completing a challenge is how you earn screen time in Zenvi, and AI-photo habits also credit Zens you can spend on the apps you actually want to use.