# M vs DTD ShotClock

The clearest difference is iOS requirement: M at 9.0 against DTD ShotClock's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

M ships an update every 2 months, DTD ShotClock every 6 weeks. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | M | DTD ShotClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/m-control/id1238607618/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 41 MB | 25 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [GD Midea Heating & Ventilating Equipment Co., Ltd.](https://appshunter.io/developer/918398670) | [DTD Leisure Ltd](https://appshunter.io/developer/1447120328) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-control/id1238607618)

Control your commercial air conditioning system remotely with this intelligent terminal. Access your VRF system from anywhere, anytime, and share smart home control with family. Real-time system status updates keep you informed.

**Highlights:** Remote access to VRF systems, Efficient and flexible control, Anytime, anywhere access, Family sharing for smart home, Real-time system status updates

**Features:** macOS Compatibility

**In-app purchases:** none


### DTD ShotClock

[App page](https://appshunter.io/ios/app/dtd-shotclock/id6744166846)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is DTD ShotClock free?

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

### Do M or DTD ShotClock have ads?

Neither M nor DTD ShotClock shows ads.

### Which is updated more often, M or DTD ShotClock?

M ships an update every 2 months, and DTD ShotClock every 6 weeks. Most recently, M was updated on June 1, 2026 and DTD ShotClock on September 10, 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.*