M2B vs Smart CarKey
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
M2B
This application allows remote control of a GSM alarm system for home security. It enables arming, disarming, monitoring, and intercom functions via phone, offering a comprehensive DIY security solution.
- Remote control of GSM alarm system
- Arm and disarm functions
- Zone programming (real-time, delay, 24 hours)
- Phone and SMS alerts
- Voice prompt for operations
- Built-in artificial intelligent English message
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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 M2B GSM Alarm System. Help you protect your housing! M2B specifications: 1. 7 wired and 99 wireless defense zones; 2. LCD screen with time clock display; 3. 3 groups of timely arm and disarm; 4. Call 6 phones and send SMS to 3 numbers; 5. 10-second automatic message recording; 6. Voice prompt for main unit & remote operations; 7. Built-in artificial intelligent English message; 8. The main unit can be used as a telephone; 9. Arm, disarm, monitor, and intercom by phone; 10. Real-time, Delay, 24 hours, Bypass defense zones program; 11. One-key-control: all the settings can be finished by keypad;
Smart CarKey
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Say goodbye to the hassle of traditional keysβSmart CarKey transforms your smartphone into a secure and efficient vehicle control tool. With Bluetooth or internet connectivity, you can effortlessly manage your car at your fingertips. Whether itβs the frustration of forgetting your keys or the need to remotely unlock the door for a family member, Smart CarKey is your most reliable digital companion. Technology simplifies life, with security always within reach!
Screenshots
Verdict
The clearest difference is update cadence: Smart CarKey at every 2 months against M2B's every 65 months. M2B's advantage is iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
M2B ships an update every 65 months, Smart CarKey every 2 months. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.
| Parameter | M2B | Smart CarKey |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | β |
| Update frequency | Every 65 months | Every 2 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | β |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 β better | 12.0 |
| Further details β not scored | ||
| Size | 9 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | ε η | Shanghai WanWay Digital Technology Co.,Ltd |
In-app purchases
M2B
No in-app purchases
Smart CarKey
No in-app purchases









