Calc the Clock is made and published by ReiRi. AppBrain is an independent app data site and isn't affiliated with ReiRi. The app name, icon, screenshots and description belong to ReiRi and are shown as published on Google Play.
AppBrain's verdict
Established- Installs
- 97 thousand
- Last updated
- September 5, 2026
- Ads
- Contains ads
- Size
- 6.94 MB
Calc the Clock has 97 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on Calc the Clock for Android
Store listing
By ReiRi, from Google Play“For the practice of the clock of the calculation for the elementary school.”
Description by ReiRi Written by the developer, not by AppBrain. Click to read.
Questions are random.
Smileys will be displayed if the correct answer.
Display the results of also easy-to-understand correct or incorrect in kids.
Button will appear large, it has become easy to press even kids.
Earn a badge If the correct answer.
Confiscate a badge If the incorrect answer.
It will have to be improved kids' motivation.
You can set "Question Level" from click the menu button.
Level 1 : hour only (0 minutes)
Level 2 : minutes is a multiple of 10
Level 3 : minutes is a multiple of 5
Level 4 : minutes in steps of 1
For information on detail usage, please see from click the menu button and click "About This Application".
This application has two modes.
Reading the Clock mode
It's practicing to read an analog clock.
You can choose the level of the questions above from the menu button.
Calculating the Clock mode
It's practicing addition and subtraction like "Before X hour Y minute of this clock" and "After X hour Y minute of this clock" for the shown analog clock.
In addition to "Question Level" above, various settings are possible from the menu button.
1 : Start Clock Level
2 : Selection of addition and subtraction questions
3 : Select the hour and minute to questions
Since the setting is complex, to ask kids' parents or guardians.
Thank you.
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ar:وأيد هذا التطبيق عن 40 لغة في الإصدار 4.0.
bg:Това заявление беше подкрепено около 40 езика във версия 4.0.
ca:Aquesta aplicació va ser recolzat sobre 40 idiomes en la versió 4.0.
cs:Tato aplikace byla podporována o 40 jazyků ve verzi 4.0.
da:Denne ansøgning blev støttet omkring 40 sprog i version 4.0.
de:Diese Anwendung wurde über 40 Sprachen in Version 4.0 unterstützt.
el:Αυτή η εφαρμογή υποστηρίζεται για 40 γλώσσες στην έκδοση 4.0.
en:This application was supported about 40 languages in version 4.0.
es:Esta solicitud fue apoyada sobre 40 idiomas en la versión 4.0.
et:See rakendus toetati umbes 40 keeles versiooni 4.0.
fa:این نرم افزار مورد 40 زبان در نسخه 4.0 پشتیبانی می شد.
fi:Tämän sovelluksen tuettiin noin 40: lle kielelle versio 4.0.
fr:Cette demande a été appuyée sur 40 langues dans la version 4.0.
he:יישום זה נתמך על 40 שפות בגירסה 4.0.
hi:यह अनुप्रयोग संस्करण 4.0 में 40 भाषाओं के बारे में समर्थन किया था।
ht:Aplikasyon sa a te sipòte de 40 lang nan vèsyon 4.0.
hu:Ez az alkalmazás támogatott körülbelül 40 nyelvek változat 4.0.
id:Aplikasi ini didukung tentang 40 bahasa dalam versi 4.0.
it:Questa applicazione è stata sostenuta circa 40 lingue nella versione 4.0.
ja:このアプリは、バージョン4.0にて約40カ国語に対応しました。
ko:이 응용 프로그램은 버전 4.0에서에서 40 개 언어에 대 한 지원 했다.
lt:Ši programa buvo remiama apie 40 kalbų versija 4.0.
lv:Šis pieteikums tika atbalstīts par 40 valodas versijā 4.0.
ms:Permohonan ini disokong kira-kira 40 bahasa dalam versi 4.0.
nl:Deze toepassing werd gesteund over 40 talen in versie 4.0.
no:Dette programmet ble støttet om 40 språk i versjon 4.0.
pl:Wniosek ten został poparty około 40 języków w wersji 4.0.
pt:Esta aplicação foi apoiado sobre 40 idiomas na versão 4.0.
ro:Această cerere a fost susţinut despre 40 de limbi în versiunea 4.0.
ru:Это приложение было поддержано о 40 языков в версии 4.0.
sk:Táto aplikácia bola podporovaná o 40 jazykov vo verzii 4.0.
sl:Ta vloga je bila podprta o 40 jezikov v prevod 4.0.
sv:Denna ansökan stöddes om 40 språk i version 4.0.
th:โปรแกรมประยุกต์นี้ได้รับการสนับสนุนเกี่ยวกับภาษา 40 ในเวอร์ชัน 4.0
tr:Bu uygulama hakkında sürüm 4.0 40 dilde destek verdi.
uk:Ця програма підтримки про 40 мов у версії 4.0.
ur:یہ ایپلی کیشن ورژن 4.0 میں 40 زبانوں کے بارے میں حمایت حاصل تھی ۔
zh-CHS:大约 40 种语言在 4.0 版被支持此应用程序。
zh-CHT:大約 40 種語言在 4.0 版被支援此應用程式。
Recent changes:
Added choice mode.
Safety and technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- 21
- App size
- 6.94 MB
- Needs Android
- 4.1+
- Content rating
- Everyone
Technologies used by Calc the Clock
Releases
Updates seen on Google Play- Version
- 8.5
- Launched
- September 2012
- Sep 5, 2026UpdateVersion 8.5
- Jul 4, 2025UpdateVersion 8.4
- Mar 24, 2024UpdateVersion 8.2
- Jan 10, 2024UpdateVersion 8.1
- Oct 4, 2023UpdateVersion 7.3
Alternatives
Similar apps and more from ReiRiAlternatives to Calc the Clock
More from ReiRi
Installs
Tracked by AppBrain- Last 30 days
- 29
- Play install range
- 50+ thousand
- Launched
- September 2012
Installs over time
Calc the Clock has been installed 97 thousand times. Over the past 30 days, it has been installed 29 times.
Rankings
Google Play top chartsGoogle Play Rankings for Calc the Clock
About the app and developer
About Calc the Clock
Calc the Clock is an education app developed by ReiRi.
How many times has Calc the Clock been downloaded?
Calc the Clock has been downloaded 97 thousand times. In the last 30 days, the app was downloaded 29 times.
What is the rating of Calc the Clock?
Calc the Clock has no ratings yet.
Is Calc the Clock free?
Calc the Clock is free. The APK size is 6.94 MB. The latest APK version available is 8.5. The last update was on September 5, 2026.
What are the requirements for Calc the Clock?
Calc the Clock requires Android 4.1+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since September 2012.
App Performance Report
Get a detailed PDF report for Calc the Clock with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for ReiRi
Frequently asked questions about Calc the Clock
Is Calc the Clock free?
Yes. Calc the Clock is free on Google Play.
Is Calc the Clock still available?
Yes. Calc the Clock is on Google Play, and the last update we saw was on September 5, 2026.
Does Calc the Clock contain ads?
Yes. Google Play lists Calc the Clock as containing ads.
What Android version does Calc the Clock require?
Calc the Clock runs on Android 4.1 and higher.
How large is Calc the Clock?
Calc the Clock is 6.94 MB.
Is Calc the Clock suitable for children?
Google Play rates the content of Calc the Clock as suitable for everyone.
How many times has Calc the Clock been installed?
Google Play lists 50,000+ installs for Calc the Clock.
Who made Calc the Clock?
Calc the Clock was developed by ReiRi. It is listed in the education category on Google Play.
What are the best alternatives to Calc the Clock?
People looking at Calc the Clock also look at these education apps: Math Wheel: Draw, Type, Solve, Hit the Button Math, Clock Learning, Quick Strike Math - Practice, PlayWithClock.
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