ADClock Blackboard vs ClockClip
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ADClock Blackboard
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.
- 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
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Analog and digital clock. This design theme is "Blackboard". You can set the various functions in the 2 settings button. General setting -> Setting button. Specific settings for each design -> (Q)uick Setup button. You can see the detail operating movie. Please press information (i) menu, and you will find app website. FEATURES ・12/24-hour display format switch. ・Date indication switch (English, Japanese, Korean). ・Auto lock ON/OFF. ・you can invert the design horizontal or vertical (reflect to mirrors and glass, etc.) ※ Shake -> invert switching. ・Time signal voice sound ON／OFF (English, Japanese). ※ You can switch 30 or 60 minutes intervals. NOTE: ・When this app does not start up, please try double-push the home button, and quit other running apps. ・There is no alarm function. ・Use iPhone or iPod Touch charging up for long term usage. ・Time accuracy is according to the internal clock. There is no time synchronization function. ・The design may be subject to change without notice due to circumstances in the version up.
ClockClip
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.
- Photo slideshow from album
- Pomodoro Timer
- Alarm functionality
- World time clock
- Chime feature
- Music player integration
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Simple Clock application with Photo slideshow - show photo-slideshow from your album - Pomodoro Timer - alarm - world time clock - chime - music player (from music library playlist or stream)
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ADClock Blackboard | ClockClip |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.3 (6 ratings) |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 10 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 6.0 — better | 14.1 |
| Further details — not scored | ||
| Size | 28 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiroyuki Otsuka | Tomoaki Yagishita |
Customer experience
ADClock Blackboard
ClockClip
In-app purchases
ADClock Blackboard
No in-app purchases
ClockClip
No in-app purchases
Questions
Is ADClock Blackboard free?
Is ClockClip free?
Which has better reviews, ADClock Blackboard or ClockClip?
Do ADClock Blackboard or ClockClip have ads?
Which is updated more often, ADClock Blackboard or ClockClip?
Other comparisons
