ShroomLock
🍄 App locker for Android

Name the mushroom.
Unlock your app.

ShroomLock swaps mindless scrolling for a walk in the woods. A locked app shows a mushroom photo and four names, and the wrong ones are its real look-alikes. Get it right and you’re in; get it wrong and you learn how to tell them apart.

Coming soon onGoogle Play See how it works

Free · no ads · works offline · Android 8 and later · Privacy · Terms

ShroomLock lock screen: Instagram is locked, a photo of a horse mushroom with four answers including the Yellow Stainer and the Destroying Angel

Recognition, not foraging

Never eat a wild mushroom because an app or a photo says it’s edible. Photos can’t show smell, spore print or what grows underground, and some deadly mushrooms look like edible ones. ShroomLock says this in setup, on every lesson card and on every mushroom page. Have every find checked in person by an expert.

How ShroomLock works

An app blocker for curious minds. Every urge to scroll becomes five seconds of field mycology.

Lock the apps that pull you in

Pick any Android app: social media, video, games. Choose how many new mushrooms to learn each day.

Learn a few mushrooms a day

Short lessons with real photos, the clues that identify each one, its edibility and the mushrooms it’s mistaken for, then a quick exam.

Name it to get in

Open a locked app and ShroomLock asks about one of your mushrooms. Right: the app opens for 10 minutes. Wrong: a short pause to learn the difference.

Learn the look-alikes that matter

In mycology, the hard part is telling twins apart. ShroomLock deals real look-alikes as the wrong answers, and explains the difference when you fall for one.

ChanterellevsJack-o’-lantern

Blunt, forked ridges and grows from soil; the jack-o’-lantern has true gills and grows in clusters on wood.

Field mushroomvsDestroying angel

Pink gills turning brown; the destroying angel’s gills stay white and its base sits in a cup.

MorelvsFalse morel

Cut it top to bottom: a morel is one hollow chamber; a false morel is cottony and folded like a brain.

Honey fungusvsFuneral bell

A white spore print and cottony ring; the deadly funeral bell drops rusty-brown spores.

A field guide that fights doomscrolling

Field clues

Cap, gills or pores, stem, spore print, habitat, season, and the one feature that gives each mushroom away.

Danger, clearly marked

Every mushroom shows its edibility, from choice edible to deadly. Deadly species are flagged everywhere.

Spaced review

Each mushroom returns after 1, 3, 7, 14 and 30 days until it’s mastered. Miss one and it starts again tomorrow.

Collect all 71

Fill your collection, build a daily streak, earn milestones and grow your Mycology IQ from 60 to 160.

Fair escape hatches

A few emergency unlocks a day and an “I don’t need this right now” button. Helpful, never a trap.

Private by design

No account, no ads, no analytics. Everything stays on your phone and works deep in the woods without signal.

See it in action

Real photos from iNaturalist observers, credited in every image.

ShroomLock: Name the mushroom. Unlock your app.

71 mushrooms to learn

Three real photos of each, identified by the iNaturalist community, grouped by the first thing you check when you pick one up.

35 gilled

Amanitas to milk caps

Death cap, destroying angel, fly agaric, panther cap, field mushroom, parasol, shaggy ink cap, honey fungus, oyster mushroom, St George’s mushroom and more.

16 pores & brackets

Boletes and polypores

Porcini, bay bolete, Satan’s bolete, slippery jack, chicken of the woods, hen of the woods, turkey tail, reishi, artist’s bracket and more.

20 ridges, spines & more

The strange and wonderful

Chanterelle, black trumpet, hedgehog, lion’s mane, morel, false morel, giant puffball, earthstar, stinkhorn, jelly ear, scarlet elf cup and more.

Free, with an optional upgrade

No subscription. Pay once if you want more, or never.

FreeShroomLock Plus (one-time)
Locked appsUp to 2Unlimited
Mushrooms35 gilled mushroomsAll 71, including boletes, brackets, chanterelles and morels
Lessons, reviews, streaks✓✓
Ads or trackingNoneNone

Questions

What is ShroomLock?

ShroomLock is an app locker for Android. When you open an app you locked, it shows a mushroom photo with four names, usually including its real look-alikes. Name it correctly and the app opens for 10 minutes.

Can I use ShroomLock to decide which mushrooms are safe to eat?

No. ShroomLock teaches recognition, not foraging. Photos can’t show smell, spore print or what grows underground, and some deadly mushrooms look like edible ones. Never eat a wild mushroom because of an app; have every find checked in person by an expert.

Is ShroomLock free?

Yes. The free version locks up to 2 apps and teaches 35 gilled mushrooms. ShroomLock Plus is an optional one-time purchase that adds unlimited apps and 36 more fungi: boletes, brackets, chanterelles, morels, puffballs and more. No ads, no subscription.

Does ShroomLock collect my data?

No. Everything stays on your phone: no account, no analytics and no ads. It works offline. Read the privacy policy.

How is ShroomLock different from FloraLock?

They share the same app lock. ShroomLock teaches mushrooms instead of plants, and puts extra weight on dangerous look-alikes: deadly species are marked everywhere, and picking a look-alike explains how to tell the two apart.

Trade a scroll for a chanterelle

ShroomLock is almost ready for Google Play.

Coming soon onGoogle Play
Prefer flowers?Meet FloraLock, ShroomLock’s sister app for 70 flowers, houseplants and trees →