tetoru（テトル） Android
tetoru（テトル） is #68 in Education Free on Google Play in Japan and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperBenesse Corporation
CategoryEducation
PriceFree
Released
Installs500k+
Rating–
Updated–
Content ratingEveryone
Best rank now
#68
Education FreeMeasured
tetoru（テトル） on Google Play
App details
App ID
jp.classi.ocean
Publisher
BENESSE CORPORATION
Publisher country
Japan
Content rating
Everyone
tetoru（テトル） downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where tetoru（テトル）'s downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | EducationFree | #68 |
Apps near tetoru（テトル） on the chart
Education Free, around #68.
About tetoru（テトル）
tetoru is an easy-to-use parent contact service for elementary and junior high schools.
We will support the introduction of ICT in schools by streamlining contact distribution from schools to parents and absence notifications from parents to schools.
■ What you can do with tetoru
Parents can link and contact child information by registering the contents of the registration form distributed by the school.
1. View contact delivery from school
You can receive and view the contact delivery from the school.
You can check the contact details for the entire school, grade, class, and group.
2. Send absentee notification in the app
Your child's absence notification can be completed with the app without using the phone or contact book.
You can reduce the burden of not being able to connect to the school.
3. Brother cooperation with one app
Parents who have siblings can associate their siblings with one ID.
You can save the trouble of logging in and out for each child, and complete information about your child with just one tetoru.
■ Background of the birth of tetoru
Make a new connection to your school.
I want to make school communication smoother and more connected.
Tetor was born from such an idea.
To reduce the burden on teachers and parents and to build a better relationship of trust.
By communicating with each other, we can know the present, and by communicating with each other, we will be considerate, hold hands, and discover the growth of children.
We will support the introduction of ICT in schools by streamlining contact distribution from schools to parents and absence notifications from parents to schools.
■ What you can do with tetoru
Parents can link and contact child information by registering the contents of the registration form distributed by the school.
1. View contact delivery from school
You can receive and view the contact delivery from the school.
You can check the contact details for the entire school, grade, class, and group.
2. Send absentee notification in the app
Your child's absence notification can be completed with the app without using the phone or contact book.
You can reduce the burden of not being able to connect to the school.
3. Brother cooperation with one app
Parents who have siblings can associate their siblings with one ID.
You can save the trouble of logging in and out for each child, and complete information about your child with just one tetoru.
■ Background of the birth of tetoru
Make a new connection to your school.
I want to make school communication smoother and more connected.
Tetor was born from such an idea.
To reduce the burden on teachers and parents and to build a better relationship of trust.
By communicating with each other, we can know the present, and by communicating with each other, we will be considerate, hold hands, and discover the growth of children.