Comparison

eClass Teacher App vs RainbowOne

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

Head to head
About

eClass Teacher App

This app helps educators manage student records, track attendance, assign homework, and monitor discipline. It also facilitates communication with parents and colleagues, and supports school administration tasks like inventory and booking.

Highlights
  • Student attendance tracking
  • Homework assignment and upload
  • Discipline and performance monitoring
  • School notice and circular management
  • Room and item booking
  • Group messaging with parents and colleagues
  • Access to school email and calendar
Features
Read full description

A mobile app for teachers to handle their student records and administrative work. This is also an app for teachers to communicate with students, parents, and colleagues. Student Record: - eAttendance: take attendance for your students in class - eHomework: upload the homework list for your students - eDiscipline: mark down students’ good conducts and misconducts - Student Performance: encourage students to actively participate in class - eEnrolment: comment on students’ performances in extracurricular activities - iPortfolio: verify students’ learning experience records School Administration Work: - eNotice: track parents’ responses for school notices - eInventory: take stock directly - eBooking: book rooms and school items - eCircular: get notified for staff notices - Flipped Channels: prepare and upload teaching videos - Group message: message and chat with parents and colleagues - Student and staff list: find your students’ and colleagues’ contact - iMail: access your school email - School calendar: view school calendar - Digital Channels: browse the photos or videos shared by school ---------------------------------------------------------------------- * The features mentioned above are dependent on the school’s subscription plans. ** Teachers will need to have the teacher login accounts assigned by school before they can use this eClass Teacher App. Teachers can reconfirm their access right with colleagues-in-charge for any login issues. ---------------------------------------------------------------------- Support email : apps@eclass.hk

About

RainbowOne

Create and deliver interactive e-learning materials with a powerful e-book editor. Engage students through cross-platform lessons, auto-corrected exercises, and instant learning data analysis. Share and discover educational content in a dedicated bookstore.

Highlights
  • Innovative e-book editor with 80+ tools
  • Cross-platform interactive lessons
  • Auto-corrected exercises
  • Instant learning data analysis
  • Bookstore for sharing and editing e-books
  • Class management tools
Read full description

Your e-books, your pedagogy. Cater your student's need. RainbowOne lets you create your own e-Learning materials and hold a truly interactive and engaging e-lesson. E-books can be easily created and adjusted freely to suit your needs. Our interactive e-lesson equipped with functions which helps you to save time. Exercises can be auto-corrected, and the learning data are analyzed to let you know more about your students’ ability. And the most important is, it is fun! Innovative e-Book Editor: Total Design Freedom We offer 80+ comprehensive tool and 10000+ images for you to tailor-make your e-books. You can start with a free canvas or choose from our templates. With easy drag and drop you can customize anything. Cross-platform lesson: Interact with your students Lesson can be held in a cross-platform environment. You can group your students and hold a competition, voting or discussion. We also provide page-sync, black-out screen and other functions that helps you manage your class. Instant Charts: Know your students well All questions with pre-set answers are instantly corrected. Learning data are automatically collected and analyzed. You can easily find out the learning difficulties of your students. Bookstore with editable e-books Share your knowledge! Here we have a bookstore for you to share your materials in public, and you can read the e-books from the bookstore to get some inspiration, or even download and edit it to suit your needs.

Screenshots

eClass Teacher App4 screens
RainbowOne4 screens

Verdict

The call

The clearest difference is review sentiment: RainbowOne at 100% against eClass Teacher App's 7%. RainbowOne also leads on iOS requirement (12.0 vs 15.0). eClass Teacher App's advantage is in-app purchases (none vs 6). On price, update cadence, 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

Both are free to download. RainbowOne sells 6 one-off in-app purchases. eClass Teacher App asks for nothing beyond the download.

UpkeepUpdate frequency

eClass Teacher App ships an update every 3 weeks, RainbowOne every 2 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
eClass Teacher App versus RainbowOne: the parameters behind the verdict, then further details
ParametereClass Teacher AppRainbowOne
PriceFreeFree
Rating—4.0 (2 ratings) — better
Positive reviews6.7% of reviews100.0% of reviews — better
Number of ratings—2 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.012.0 — better
Further details — not scored
Size96 MB287 MB
Age rating17+4+
DevelopereClass LimitedOpen Knowledge Association Ltd.

Customer experience

eClass Teacher App

Written reviews15 reviews
Positive6.7%
Neutral13.3%
Negative80.0%

RainbowOne

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

eClass Teacher App

No in-app purchases

6 purchases

RainbowOne

One-time6
  • 8個金幣$0.99
  • 48個金幣$5.99
  • 98個金幣$12.99
Show 3 more
  • 218個金幣$27.99
  • 368個金幣$46.99
  • 688個金幣$89.99

Questions

Is eClass Teacher App free?
eClass Teacher App is free to download, with no in-app purchases.
Is RainbowOne free?
RainbowOne is free to download, with in-app purchases available.
Do eClass Teacher App or RainbowOne have ads?
Neither eClass Teacher App nor RainbowOne shows ads.
Which is updated more often, eClass Teacher App or RainbowOne?
eClass Teacher App ships an update every 3 weeks, and RainbowOne every 2 months. Most recently, eClass Teacher App was updated on November 1, 2026 and RainbowOne on October 29, 2026.

Other comparisons