# OneClock vs MTR eForm

The clearest difference is in-app purchases: MTR eForm at none against OneClock's 2. MTR eForm also leads on iOS requirement (9.0 vs 16.0). OneClock's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. OneClock sells 2 in-app purchases, starting at $0.99 per month. MTR eForm asks for nothing beyond the download.

OneClock ships an update every 3 months, MTR eForm every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OneClock | MTR eForm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/oneclock-a-simple-flip-clock/id1257395357/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 83.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Subscription | — |
| Size | 11 MB | 36 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | **iPhone, iPad, Mac** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Reinvent Technology Co., Ltd.](https://appshunter.io/developer/1250290964) | [CardApp Limited](https://appshunter.io/developer/539151439) |

## What reviewers say

### OneClock

[App page](https://appshunter.io/ios/app/oneclock-a-simple-flip-clock/id1257395357)

This app offers a variety of customizable clock styles for desktop and mobile devices. Enjoy features like adjustable display modes, font customization, and transparency settings, with multiple clock designs available.

**Highlights:** Multiple clock styles (Flip, Digital, Dial), Desktop display on macOS, Customizable font and transparency, Portrait and landscape modes, Screen not quenching, Home screen and widget support

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |


### MTR eForm

[App page](https://appshunter.io/ios/app/mtr-eform/id1524754703)

**In-app purchases:** none


## Frequently asked questions

### Is OneClock free?

OneClock is free to download, with in-app purchases available.

### Is MTR eForm free?

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

### Do OneClock or MTR eForm have ads?

Neither OneClock nor MTR eForm shows ads.

### Which is updated more often, OneClock or MTR eForm?

OneClock ships an update every 3 months, and MTR eForm every 2 months. Most recently, OneClock was updated on October 24, 2026 and MTR eForm on October 27, 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.*