Comparison

aClocks vs NIPPON

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

Head to head
About

aClocks

Display multiple analog clocks for cities worldwide. This app supports over 200 locations and observes daylight saving time and Japanese holidays with visual indicators. Choose from multiple languages for city and region names.

Highlights
  • Multiple analog clocks
  • Over 200 cities worldwide
  • Daylight saving time observation
  • Japanese holiday notifications
  • Multi-language support for city names
  • Offline functionality
Features
Read full description

aClocks is an iPhone-only iOS application. It lets you run multiple analog clocks at a time, covering more than 200 cities around the globe. aClocks observes day light saving time and Japanese holidays. If you have a clock that is under the day light saving time, then a clock will have a rotating, graphic notation at the top-left corner. - Features - 1. Run multiple analog clocks at a time. Scroll the middle view left to right or vice versa to locate a clock if you have two or more clocks. 2. Tap the name of a city at the bottom view to quickly locate the corresponding clock. 3. The app covers more than 200 cities around the globe. They are divided into 8 regions including Africa, Asia, Atlantic, Australia, Europe, North America, Pacific, South America. 4. The user can choose one of 18 area languages including English, Spanish, French, German, Italian, Portuguese, Danish, Dutch, Russian, Japanese, Korean, Chinese (Simplified), Chinese (Traditional), Vietnamese, Hebrew, Arabic, Turkish, Indonesia. The area language is responsible for showing the names of 8 areas and all 200+ city names in the selected language. 5. If a clock is under the day light saving time, a rotating, graphic notation appears at the top-left corner. 6. If the corresponding city of the clock is Japanese and the time is under a Japanese national holiday, a graphic notation will appear at the top-right corner of the clock. 7. The app prevents the user from installing multiple clocks from the same city. 8. There is no WiFi or WWAN required at any time to run the application. 9. Languages: English and Japanese only. 10.Application file size: 31.7 MB. - System requirements - 1. iOS 9.0 or above 2. iPhone 4S, iPhone 5, iPhone 5S, iPhone 6, iPhone 6 Plus, iPhone 6S, iPhone 6S, iPhone 7, iPhone 7 Plus, iPhone SE, iPod Touch. - Limitations - 1. aClocks allows the user to create as many as two clocks at a time if they choose to use it as freeware. 2. aClocks may be deprived of promised features if the device is jailbroken. 3. As you create more and more clocks, memory consumption will increase. For example, if you run 25 clocks at a time with iPhone 5, the app can require as much as 70 to 105 MB of memory with no known memory leak.

About

NIPPON

This app allows users to virtually raise national flags and play the national anthem anytime, anywhere. It also provides clear information on public holidays, making it easy to celebrate them. Ideal for those who cannot display a physical flag at home.

Highlights
  • Virtual flag raising
  • National anthem playback
  • Public holiday information
  • Home screen widget for holidays
  • Detailed holiday information
Features
Read full description

NIPPONは、いつでもどこも国旗の掲揚ができるアプリです。 祝日の情報も分かりやすく確認できるため、祝日には国旗の掲揚を行いましょう。 家に国旗を掲げることが出来ない方などに最適です。 スマホを立てかけ、国旗の旗めく姿を見るのも良いかもしれません。 ------------------------- ■ 使い方 ------------------------- アプリを起動して「国旗掲揚」ボタンを押すと、日章旗と君が代が再生されます。 祝日の当日にはアプリ内およびホーム画面のウジェットに祝日情報が表示されます。ウィジェットを使えばアプリを起動せずに祝日を確認できるため忘れてしまうことはありません。 1年間の祝日情報やそれぞれの詳細情報を確認して、より深く国民の祝日を祝いましょう。 ※ ウィジェット機能はiOS14以上から利用できる機能です。

Screenshots

aClocks4 screens
NIPPON4 screens

Verdict

The call

The clearest difference is price: aClocks at Free against NIPPON's $0.99. aClocks also leads on update cadence (every 9 days vs every 6 months) and iOS requirement (9.0 vs 15.0). NIPPON's advantage is in-app purchases (none vs 1). On review sentiment, ads 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

CostPrice · In-app purchases · Ads · Monetization

aClocks is free to download; NIPPON costs $0.99 up front. aClocks sells 1 one-off in-app purchase. NIPPON asks for nothing beyond the download.

UpkeepUpdate frequency

aClocks ships an update every 9 days, NIPPON every 6 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 3 level
aClocks versus NIPPON: the parameters behind the verdict, then further details
ParameteraClocksNIPPON
PriceFree — better$0.99
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyEvery 9 days — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size17 MB41 MB
Age rating4+4+
DeveloperTomoyuki Okawaarakawa yuichiro

Customer experience

aClocks

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

NIPPON

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

aClocks

One-time1
  • Unlimited clocks$0.99
None

NIPPON

No in-app purchases

Questions

Is aClocks free?
aClocks is free to download, with in-app purchases available.
Is NIPPON free?
NIPPON costs $0.99, with no in-app purchases.
Do aClocks or NIPPON have ads?
Neither aClocks nor NIPPON shows ads.
Which is updated more often, aClocks or NIPPON?
aClocks ships an update every 9 days, and NIPPON every 6 months. Most recently, aClocks was updated on November 2, 2026 and NIPPON on November 3, 2026.

Other comparisons