Comparison

i Metal Detector vs VM Authenticator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

i Metal Detector

This utility app transforms your iPhone into a metal detector using its magnetic field sensor. It detects nearby metal objects by measuring variations in the magnetic field. Be cautious not to hold your device too close to strong magnets to prevent potential damage.

Highlights
  • Uses iPhone's magnetic field sensor
  • Detects nearby metal objects
  • Measures magnetic field variations
  • Simple and intuitive interface
Features
Read full description

The metal detector applications using the magnetic field sensor of the iPhone. If you have any metal objects in the vicinity of the magnetic field varies iPhone. Holding your iPhone closer to the metal around. Electronics, and sensitive to the iron material. The stronger the magnet, please refrain from approaching. It can be the cause of the failure of the iPhone.

About

VM Authenticator

Features
Read full description

ValueMaster Two Factor Authentication Enable two-factor authentication for all administrative users. Just enable 2FA on your administrative panel. If you need any assistance, please do not hesitate to get in touch via 2fa@brain-behind.com Thank you!

Screenshots

i Metal Detector3 screens
VM Authenticator3 screens

Verdict

The call

The clearest difference is ads: VM Authenticator at none against i Metal Detector's shown. i Metal Detector's advantage is update cadence (every 2 months vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

i Metal Detector ships an update every 2 months, VM Authenticator every 7 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
i Metal Detector versus VM Authenticator: the parameters behind the verdict, then further details
Parameteri Metal DetectorVM Authenticator
PriceFreeFree
Rating4.2 (25 ratings) — better—
Positive reviews29.6% of reviews—
Number of ratings25 — better—
Update frequencyEvery 2 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size6 MB19 MB
Age rating4+4+
DeveloperEONSOFTBrain Behind Ltd

In-app purchases

None

i Metal Detector

No in-app purchases

None

VM Authenticator

No in-app purchases

Questions

Is i Metal Detector free?
i Metal Detector is free to download, with no in-app purchases.
Is VM Authenticator free?
VM Authenticator is free to download, with no in-app purchases.
Do i Metal Detector or VM Authenticator have ads?
i Metal Detector shows ads; VM Authenticator does not.
Which is updated more often, i Metal Detector or VM Authenticator?
i Metal Detector ships an update every 2 months, and VM Authenticator every 7 months. Most recently, i Metal Detector was updated on October 15, 2026 and VM Authenticator on October 13, 2026.

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