Not a sponsored list. We analyzed 85 real negative reviews from the top Metal Detector apps. Here's what each one gets wrong — so you can pick the least broken one.
Core detection functionality completely broken - doesn't detect metal even when touching it, or constantly beeps with nothing present
"I tried putting it up to metal and it does not work at all"
"I just downloaded this app and it constantly beeps"
Fails at advertised stud-finding functionality and impossible to cancel subscription in-app
"this seemed like a fine app, but it didn't help with finding studs, which was what I needed"
"the problem is that i couldn't find an option to cancel my "subscription" in the app"
Aggressive upselling and unexpected purchases instead of functional detection
"It doesn't do anything but download a bunch of other apps and have you unexpectedly purchasing a bunch of stuff"
Paywall blocking basic functionality that users expect to test before paying
"This is the worst Metal Detector app You can have because you have to pay for it and I will not pay for it I will delete this app"
Weak detection sensitivity and inaccurate readings compared to alternatives, paid version doesn't work
"The numbers it shows are far from reality. It reacts to metal objects weakly"
"I purchased the pro version. It continuously vibrates and doesn't work. This is a ripoff"
The metal detector app market shows significant user frustration with fundamental functionality failures across all competitors. Users have a genuine need (lost valuables, treasure hunting) but existing apps fail to deliver basic detection accuracy, creating a massive opportunity for a technically competent solution that actually works with iPhone's magnetometer.
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