# M2C vs Tank IOT

The clearest difference is update cadence: Tank IOT at every 5 weeks against M2C's every 66 months. M2C's advantage is iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

M2C ships an update every 66 months, Tank IOT every 5 weeks. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | M2C | Tank IOT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tank-iot/id6505107168/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 66 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 30 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [剑 熊](https://appshunter.io/developer/820792877) | [Shenzhen EPT Technology Co.,Ltd](https://appshunter.io/developer/1744890616) |

## What reviewers say

### M2C

[App page](https://appshunter.io/ios/app/m2c/id833348177)

Remotely control your Wolf-Guard M2C GSM Alarm System to protect your home. This app allows for arming, disarming, monitoring, and intercom functions via your phone.

**Highlights:** Remote control of GSM alarm system, Arm and disarm functions, Real-time monitoring, Intercom capabilities, Supports wired and wireless zones, Phone and SMS alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### Tank IOT

[App page](https://appshunter.io/ios/app/tank-iot/id6505107168)

This utility app enables users to remotely monitor liquid levels from their mobile devices. It's designed for industrial production and daily life, offering real-time status updates and warning notifications for better control and safety.

**Highlights:** Remote liquid level monitoring, Real-time status updates, Warning information notifications, Data sharing capabilities, User-friendly interface, Sensor/instrument connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is M2C free?

M2C is free to download, with no in-app purchases.

### Is Tank IOT free?

Tank IOT is free to download, with no in-app purchases.

### Do M2C or Tank IOT have ads?

Neither M2C nor Tank IOT shows ads.

### Which is updated more often, M2C or Tank IOT?

M2C ships an update every 66 months, and Tank IOT every 5 weeks. Most recently, M2C was updated on October 2, 2026 and Tank IOT on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*