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Comparison

SignalClock Lite vs One Kanji Clock

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
SignalClock Lite
SignalClock Lite
Free
๐Ÿ”ง Utilities
No ratingsView app โ†’
One Kanji Clock
One Kanji Clock

Let's decorate Kanji !

Free
๐Ÿ”ง Utilities
No ratingsView app โ†’
About

SignalClock Lite

This utility app displays a digital clock with a time signal function using local notifications. It offers multiple sound sets and font options. The free version has limitations on scheduling time signals to half-hour intervals.

Highlights
  • Local notification time signals
  • Multiple sound sets
  • iOS 10 font support
  • Half-hour signal scheduling (free edition)
  • Digital clock display
Features
Read full description

Digital clock has time signal function based on Local Notification Center. Itโ€™s free edition of โ€œSignalClockโ€. 5 different signal sound sets. All fonts iOS 10 supports are available in clock. 5 tone type are available in all sound file sets. Free edition limitations : - Able to schedule time signals on half hour unit ex. 00:00, 00:30, 01:00 ...

About

One Kanji Clock

Features
Read full description

This clock displays kanji characters for your enjoyment. Kanji characters are displayed one at a time in random, and change over as time passes. The size of the characters can be changed in three levels.ย  The length of the switching time can be adjusted. Hiragana and English can also be displayed.ย  There are more than 700 kanji in the database. The number is small at first, but it will gradually increase. You can also choose your favorite kanji to display. You can choose from 20 different backgrounds. A time signal can be set to sound at 0 minutes.ย  You can choose from 78 different sounds for the time signal.

Screenshots

SignalClock Lite1 screens
One Kanji Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: SignalClock Lite at none against One Kanji Clock's 1. SignalClock Lite also leads on ads (none vs shown). One Kanji Clock's advantage is update cadence (every 2 months vs every 7 months). On price, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. One Kanji Clock sells 1 one-off in-app purchase. SignalClock Lite asks for nothing beyond the download.

UpkeepUpdate frequency

SignalClock Lite ships an update every 7 months, One Kanji Clock every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard3 real differences ยท 5 level
SignalClock Lite versus One Kanji Clock: the parameters behind the verdict, then further details
ParameterSignalClock LiteOne Kanji Clock
PriceFreeFree
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 7 monthsEvery 2 months โ€” better
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
MonetizationFreeโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details โ€” not scored
Size28 MB18 MB
Age rating4+4+
DeveloperMasafumi EndohMihoko Araki

In-app purchases

None

SignalClock Lite

No in-app purchases

1 purchases

One Kanji Clock

One-time1
  • One Kanji Clock with no ads$2.99

Questions

Is SignalClock Lite free?
SignalClock Lite is free to download, with no in-app purchases.
Is One Kanji Clock free?
One Kanji Clock is free to download, with in-app purchases available.
Do SignalClock Lite or One Kanji Clock have ads?
One Kanji Clock shows ads; SignalClock Lite does not.
Which is updated more often, SignalClock Lite or One Kanji Clock?
SignalClock Lite ships an update every 7 months, and One Kanji Clock every 2 months. Most recently, SignalClock Lite was updated on November 1, 2026 and One Kanji Clock on November 3, 2026.

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