ML revenue forecast.
Calibrated against 35236 apps in this category.
Confidence band
±15%
High — many comparable apps with verified data
At a glance
Earns 3.4× more than the category median (151/mo).
Ranks #3,483 of 35,236 in Productivity (top 9.9% by revenue).
Launched Oct 06, 2015 · last updated May 13, 2026.
What the app looks like
Live screenshots from the Play Store, captured by our snapshot worker. Tap any image to enlarge.
School Bell's revenue trajectory
Forecast revenue from snapshot history. Last 1 months.
Where School Bell sits in Productivity
Revenue distribution of 35236 comparable apps. School Bell highlighted.
School Bell vs comparable apps
Revenue trajectory side-by-side. Bold = School Bell, ghosted = peers.
App spec
Version
5.2.26
Last update
May 13, 2026
Launched
Oct 06, 2015
Price
Free
Monetization
Free
What School Bell actually does (from store listing)
School Bell, a web-based application with 1 million users, aims to create a healthier and happier educational community by helping teachers who lead education focus on the most important things in education, such as educational research or close connection with students.
❑ All school surveys, School Guideline
In addition to delivering urgent news related to Covid-19, you can easily send advanced surveys for schools, such as first-come-first-served, lottery application for after-school and ca…
School Bell, a web-based application with 1 million users, aims to create a healthier and happier educational community by helping teachers who lead education focus on the most important things in education, such as educational research or close connection with students.
❑ All school surveys, School Guideline
In addition to delivering urgent news related to Covid-19, you can easily send advanced surveys for schools, such as first-come-first-served, lottery application for after-school and care classes, various satisfaction surveys, milk lunch and counseling applications, school steering committee voting, electronic signatures, and mail merge. , responses, collections, and statistics can be solved at once.
❑ Our class source, Notice
This is a place to inform our class of what each class needs to know, such as today's assignment, learning materials, and performance evaluation guidance.
References for learning can also be attached, so that the intended content can be delivered accurately.
You can submit the completed assignment, ask and answer questions through private comments with the teacher.
❑ Memories of the year, Photo Album
You can upload unlimited photos and videos, such as interesting art classes, field trips, and class of the day, and students and parents can also communicate with each other by uploading posts and writing comments.
❑ Additional bulletin board
If you need additional bulletin boards such as notices, data bulletin boards, and today's lunch, you can provide information that is perfect for our school.
⟡ Teachers
Can increase the inquiry rate by sending urgent matters only to the relevant class, and focus more on the most important jobs such as educational research and students by promptly processing tasks with automatic collection and statistical survey results!
⟡ Parents
Can check the years’ worth of notices anywhere, receive only the necessary educational information for their child without unnecessary advertisements, and submit various applications with an electronic signature!
⟡ Students
Submit the assignment given by the teacher as a file, their human rights are protected without any stressful and sensitive information, and they can check related educational information at any time!
⟡ The environment,
Join us in saving time and paper for the future of our educational community with School Bell!
✔︎ You can receive only essential information sent from public institutions without disruption from advertising.
✔︎ Manage your personal information in the most secure Google Cloud.
※ For desktop PCs, our website schoolbell-e.com is recommended.
※ For information and inquiries, please contact cs@schoolbell-e.com (email/always) and https://bit.ly/2kDkcwd (chat/weekdays 10:00-17:00).
※ IInformation on access rights
[Required access rights]
- Phone number: used for identification and ID
[Optional access rights]
- Storage: Used by School Bell to transfer or store photos, videos, and files on the device.
- Camera: used for posting photos and videos.
- Microphone: used for in-app calling functionality.
*You can use the app even if you do not agree to the optional access right.
※Developer contact: dev@schoolbell-e.com
Comparable Android apps
The five apps in Productivity with the closest revenue to School Bell. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on School Bell's tracker page for current rating, reviews and snapshot timeline.
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