M2K vs speed Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
M2K
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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.
speed Tool
This GPS-based tool displays your current speed and altitude. It offers support for both car and bicycle modes, providing essential information for your journeys. Access to location services is required for accurate speed calculation.
- GPS speed display
- Altitude tracking
- Car mode support
- Bicycle mode support
- Location-based speed calculation
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A speedometer is a GPS system that displays information such as speed and altitude while active. 【 Main features 】 ▸ Support car mode, bicycle mode 【 Warm reminder 】 The software needs access to the location to calculate the speed
Screenshots
Verdict
The clearest difference is ads: M2K at none against speed Tool's shown. speed Tool's advantage is update cadence (every 2 weeks vs every 66 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
M2K ships an update every 66 months, speed Tool every 2 weeks. The most recent releases landed on October 2, 2026 and September 15, 2026 respectively.
| Parameter | M2K | speed Tool |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 66 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 | 10.0 |
| Further details — not scored | ||
| Size | 8 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | 剑 熊 | Tangshan Xumaitong Network Technology Co., Ltd. |
In-app purchases
M2K
No in-app purchases
speed Tool
No in-app purchases
