# ADClock Blackboard vs ClockClip

The clearest difference is rating: ADClock Blackboard at 5.0 against ClockClip's 4.3. ADClock Blackboard also leads on ads (none vs shown) and monetization model (free vs ad-supported). ClockClip's advantage is update cadence (monthly vs every 10 months) and ratings volume (6 vs 1). On price, in-app purchases and device support there is nothing between them.

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

ADClock Blackboard holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: ClockClip has 6 ratings behind it against 1, so its average is the more settled of the two.

ADClock Blackboard ships an update every 10 months, ClockClip monthly. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ADClock Blackboard | ClockClip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/adclock-blackboard/id574832850/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/clockclip/id944861395/reviews) |
| Number of ratings | 1 | **6** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 28 MB | 9 MB |
| Requires iOS | **6.0** | 14.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Otsuka](https://appshunter.io/developer/554117199) | [Tomoaki Yagishita](https://appshunter.io/developer/387622096) |

## What reviewers say

### ADClock Blackboard

[App page](https://appshunter.io/ios/app/adclock-blackboard/id574832850)

This utility app displays analog and digital clocks with a unique "Blackboard" design theme. It offers customizable display formats, date indications, and orientation mirroring. Users can also control time signal voice sounds and auto-lock settings.

**Highlights:** Analog and digital clock display, Blackboard design theme, 12/24-hour format switch, Date indication (EN, JP, KR), Auto lock ON/OFF, Horizontal/vertical inversion, Time signal voice sound

**Features:** macOS Compatibility

**In-app purchases:** none


### ClockClip

[App page](https://appshunter.io/ios/app/clockclip/id944861395)

This utility app transforms your device into a functional desk clock. It features a photo slideshow from your album, a Pomodoro timer, alarms, world time, and a music player. You can also set chimes for added functionality.

**Highlights:** Photo slideshow from album, Pomodoro Timer, Alarm functionality, World time clock, Chime feature, Music player integration

**In-app purchases:** none


## Frequently asked questions

### Is ADClock Blackboard free?

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

### Is ClockClip free?

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

### Which has better reviews, ADClock Blackboard or ClockClip?

ADClock Blackboard is rated higher. ADClock Blackboard averages 5.0 out of 5 from 1 ratings, while ClockClip averages 4.3 from 6 ratings.

### Do ADClock Blackboard or ClockClip have ads?

ClockClip shows ads; ADClock Blackboard does not.

### Which is updated more often, ADClock Blackboard or ClockClip?

ADClock Blackboard ships an update every 10 months, and ClockClip monthly. Most recently, ADClock Blackboard was updated on October 6, 2026 and ClockClip on October 10, 2026.

---

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