# M2 vs clock4all

The clearest difference is price: M2 at Free against clock4all's $0.99. M2 also leads on iOS requirement (10.0 vs 12.0). clock4all's advantage is update cadence (every 7 months vs every 68 months). On ads, in-app purchases and device support there is nothing between them.

M2 is free to download; clock4all costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

M2 ships an update every 68 months, clock4all every 7 months. The most recent releases landed on October 1, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | M2 | clock4all |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/m2/id890794963/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 68 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 6 MB | 8 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [剑 熊](https://appshunter.io/developer/820792877) | [Juergen Held](https://appshunter.io/developer/1435726758) |

## What reviewers say

### M2

[App page](https://appshunter.io/ios/app/m2/id890794963)

This application allows remote control of a smart alarm system. It features a touch keypad, dual network capabilities, and zone management for enhanced home security.

**Highlights:** Remote control for alarm system, Capacitive touch keypad, GSM & PSTN dual network, 128x64 lattice LCD screen, Wired and wireless defense zones, Supports multiple remote controls, Voice message recording

**Features:** macOS Compatibility

**In-app purchases:** none


### clock4all

[App page](https://appshunter.io/ios/app/clock4all/id1477082034)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is M2 free?

M2 is free to download, with no in-app purchases.

### Is clock4all free?

clock4all costs $0.99, with no in-app purchases.

### Do M2 or clock4all have ads?

Neither M2 nor clock4all shows ads.

### Which is updated more often, M2 or clock4all?

M2 ships an update every 68 months, and clock4all every 7 months. Most recently, M2 was updated on October 1, 2026 and clock4all on September 12, 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.*