Comparison

M2K vs File Explorer

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

Head to head
About

M2K

Features
Read full description

Wolf-Guard from China, since year 1998, for the global security market. Wolf-Guard provide all kinds of DIY home security products. Wolf-Guard "All For Your Security" This APP can help you remotely control Wolf-Guard M2K GSM Alarm System. Help you protect your housing! M2K specifications: 1.3 wired and 99 wireless defense zones; 2.LCD screen with time clock display;Voice prompt for all operations;3 groups of timely arm and disarm; 3.Can store 6 phone numbers: when alarming, system will make alarm call to these numbers automatically;Can store 3 SMS numbers: when alarming, system will send alarming SMS automatically; 4.Two relay 12V output switch; 5.Tamper alarm function: there is a button at the back side of the panel; it will make alarm once the button is loosen; 6.10-second automatic message recording; 7.Built-in artificial intelligent digital voice announcer; 8.Built-in artificial intelligent English message; 9.Can send SMS to arm/disarm/check alarm record; 10.Can set arm and alarm delay time; 11.Built-in wireless transmitter for convenient connection to wireless siren; 12.Users can make calls by using keypad on main unit, just like a telephone; 13.One-key-control function: Out Arm, Home Arm, Remote Arm; 14.SOS, fire, gas, door, hall, window, balcony, and boundary places alarm; 15.Real-time, delay, 24 hours, bypass defense zones programming function; 16.Wireless coding: easy to add additional wireless accessories; 17.Remote control Arm, Disarm, Monitor, and Intercom by phone; 18.SMS alarm for power failure or recovery; 19.Built-in NI-HM rechargeable battery.

About

File Explorer

Organize, view, and protect your important files on your iPhone or iPad. Easily transfer files via Wi-Fi, Bluetooth, or iCloud, and preview various document types. Secure your data with passcode protection.

Highlights
  • Wi-Fi file transfer
  • Bluetooth file exchange
  • iCloud file management
  • Multi-format file preview
  • Passcode protection
  • File compression
Features
Read full description

File Explorer is the privacy app to organize and view all your files on your iPhone or iPad. Always have your important files with you, protect your privacy perfectly file. Features: * Upload/download files by using web browser in computer via Wifi connection. And you can enable http access password to protect the privacy * Exchange files with other iDevices (having Share installed in the device) via BLUETOOTH. NOTE: no WIFI or 3G connection needed in this scenario and no extra fees. * Upload/download files to iCloud * Quick preview many kind of files (music, video, documents, PDF, images) * Open files in other apps and vise versa * Create/delete/move/rename operations are all supported * Compress files and send them via email * App could be protected by passcode √ Upload/download files via iTunes √ Easy WiFi Transfer √ Import from Photo App(Camera Roll) √ In App Camera √ Bluetooth Transfer between Devices(Both devices must install iVault) We value the user experience of every customer, but we cannot respond to you based on your comments. If you have any questions or suggestions regarding usage, please feel free to contact our customer service email at any time AppDev365@gmail.com Contact us and we will do our best to provide you with services.

Screenshots

M2K3 screens
File Explorer4 screens

Verdict

The call

The clearest difference is in-app purchases: M2K at none against File Explorer's 2. M2K also leads on ads (none vs shown) and iOS requirement (10.0 vs 12.0). File Explorer's advantage is update cadence (every 3 months vs every 66 months). On price and device support 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. File Explorer sells 2 one-off in-app purchases. M2K asks for nothing beyond the download.

UpkeepUpdate frequency

M2K ships an update every 66 months, File Explorer every 3 months. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
M2K versus File Explorer: the parameters behind the verdict, then further details
ParameterM2KFile Explorer
PriceFreeFree
Rating—3.9 (79 ratings) — better
Positive reviews—65.0% of reviews
Number of ratings—79 — better
Update frequencyEvery 66 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.0 — better12.0
Further details — not scored
Size8 MB21 MB
Age rating4+4+
Developer剑 熊农 葛

In-app purchases

None

M2K

No in-app purchases

2 purchases

File Explorer

One-time2
  • Remove advertisement$0.99
  • Vedio Player$1.99

Questions

Is M2K free?
M2K is free to download, with no in-app purchases.
Is File Explorer free?
File Explorer is free to download, with in-app purchases available.
Do M2K or File Explorer have ads?
File Explorer shows ads; M2K does not.
Which is updated more often, M2K or File Explorer?
M2K ships an update every 66 months, and File Explorer every 3 months. Most recently, M2K was updated on October 2, 2026 and File Explorer on September 29, 2026.

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