u/Big-Giraffe-2348

this app makes your phone scream when you drop it

so theres this a app called SlapMac where you slap your macbook and it makes a sound right?? someone basically took that concept and made it for iphone. its called SlapiPhone

the way it works is it detects motion so you can slap your phone, shake it, or drop it and it plays whatever sound you picked. meme sounds, fart noises, brainrot audio, pain screams, whatever

i set mine to a scream sound and now every time my phone falls off the table it just goes AGHHHH. but the funniest part is when you just casually slap it in front of someone who has no idea whats going on. the confusion on their face is priceless lmao

you can also just shake it in someones face and it plays the sound which is somehow even more annoying than slapping it

massive shoutout to whoever made slapmac btw that app was ahead of its time honestly. this is basically the iphone version it deserved

link if anyone wants to try: https://apps.apple.com/us/app/slapiphone/id6761282903

u/Big-Giraffe-2348 — 11 hours ago
launched a dumb novelty app that detects when you slap your phone
▲ 1 r/appledevelopers+1 crossposts

launched a dumb novelty app that detects when you slap your phone

so i had this dumb idea, what if your phone made a sound when you slap it. like physically smack it.

im not a developer btw. i vibecoded the whole thing with cursor and claude. literally just described what i wanted and kept iterating until it worked. the slap detection uses the accelerometer and gyroscope apparently but if you ask me to explain the code line by line i will stare at you blankly lol

the hardest part was prompting correctly tbh. vague prompts gave me terrible detection that triggered from everything. had to get really specific like “detect a sharp acceleration spike followed by rotational change within 100ms and add a cooldown so it doesnt fire multiple times” and then it actually started working

biggest lesson: vibecoding sensor based stuff sucks bc you cant test it in the simulator. had to build to device every single time to see if the slap detection felt right. so many deploy cycles just to adjust one threshold value

anyway the app is called SlapiPhone. its live and people seem to like it which is wild to me

https://apps.apple.com/us/app/slapiphone/id6761282903

u/Big-Giraffe-2348 — 14 hours ago