# OneClock vs MessageFilter Pro

The clearest difference is in-app purchases: MessageFilter Pro at none against OneClock's 2. MessageFilter Pro also leads on rating (4.2 vs 3.9) and update cadence (monthly vs every 3 months). OneClock's advantage is review sentiment (83% vs 57%). On price, ads and device support there is nothing between them.

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

MessageFilter Pro holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 9 and 38 respectively. Written reviews complicate that: 83% of OneClock's written reviews are positive against 57% of MessageFilter Pro's, so the app with the better star average is not the one people write more warmly about.

OneClock ships an update every 3 months, MessageFilter Pro monthly. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | OneClock | MessageFilter Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/oneclock-a-simple-flip-clock/id1257395357/reviews) | **[4.2 (38 ratings)](https://appshunter.io/ios/app/messagefilter-pro/id1262898709/reviews)** |
| Number of ratings | 9 | **38** |
| Positive reviews | **83.0% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Subscription | **Free** |
| Size | 11 MB | 9 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Reinvent Technology Co., Ltd.](https://appshunter.io/developer/1250290964) | [Junyu Kuang](https://appshunter.io/developer/961945907) |

## 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 |


### MessageFilter Pro

[App page](https://appshunter.io/ios/app/messagefilter-pro/id1262898709)

This utility app helps iPhone users block unwanted spam SMS messages. It allows for unlimited custom filter rules based on keywords and phone numbers, ensuring privacy by not requiring network access. The app includes tools to test and share your filtering configurations.

**Highlights:** Unlimited custom filter rules, Keyword and phone number filtering, Blacklist and whitelist modes, No network access required, Filter rule testing tool, Export and import filter rules, 3D Touch shortcuts

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OneClock free?

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

### Is MessageFilter Pro free?

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

### Which has better reviews, OneClock or MessageFilter Pro?

MessageFilter Pro is rated higher. OneClock averages 3.9 out of 5 from 9 ratings, while MessageFilter Pro averages 4.2 from 38 ratings.

### Do OneClock or MessageFilter Pro have ads?

Neither OneClock nor MessageFilter Pro shows ads.

### Which is updated more often, OneClock or MessageFilter Pro?

OneClock ships an update every 3 months, and MessageFilter Pro monthly. Most recently, OneClock was updated on September 30, 2026 and MessageFilter Pro on September 28, 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.*