Comparison

Simple Blackboard vs Heavens Mentor

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

Head to head
About

Simple Blackboard

This app provides a digital canvas for drawing, sketching, and note-taking. It offers various tools like brushes, colors, shapes, and text, with options to load photos and record your creative process. Save your work, manage pages, and keep your last drawing accessible.

Highlights
  • Blackboard or whiteboard selection
  • Adjustable brush sizes and colors
  • Drawing of various shapes
  • Text typing with adjustable font size
  • Load photos onto the board
  • Record video of drawing process
  • Save drawings and manage pages
Features
Read full description

This app allows you to draw on a simple blackboard (or whiteboard). You can use it for drawing, jotting down, illustrations, math calculations and etc. The key features are: - You can choose blackboard or whiteboard. - You have various brush sizes and huge number of paint colors. - You can draw various shapes such as line, arrow, circle, oval, square, rectangle, triangle, and polygon. - You can type text with adjustable font size. - You can load photo to the board. - You can record video from your drawing screen with sound from your device microphone. - You can save your drawing to your device. - You can add or remove pages. - You can set your favourite paint colors and color opacity. - Your last drawing is always saved. - The device screen never goes off while you are using the app. The premium purchase removes all ads, enables adding text, loading photo, drawing shapes and grid, setting favorite paint colors, and paint color opacity.

About

Heavens Mentor

Features
Read full description

Brief Description: Heavens Mentor gives teachers powerful tools to manage students and communicate effectively with parents. This comprehensive platform helps you: Mark Bulk Attendance Track Leave Applications Validate HomeWorks easily Track Mentor and Class timetable details Switch classes with ease Track individual student details Track student attendance with ease Send personalised remarks and feedback Assign and manage homework View the academic calendar The intuitive interface makes classroom management simpler and more efficient, letting you focus on what matters most - teaching. Build stronger connections between school and home with the Heavens Mentor App, your essential teaching companion.

Screenshots

Simple Blackboard4 screens
Heavens Mentor4 screens

Verdict

The call

The clearest difference is in-app purchases: Heavens Mentor at none against Simple Blackboard's 1. Heavens Mentor also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 9 months). On price, device support and iOS requirement 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. Simple Blackboard sells 1 one-off in-app purchase. Heavens Mentor asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Blackboard ships an update every 9 months, Heavens Mentor every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Simple Blackboard versus Heavens Mentor: the parameters behind the verdict, then further details
ParameterSimple BlackboardHeavens Mentor
PriceFreeFree
Rating4.3 (138 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings138 — better—
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size4 MB63 MB
Age rating4+4+
DeveloperBita SobhaniDatahex

In-app purchases

1 purchases

Simple Blackboard

One-time1
  • Premium$2.99
None

Heavens Mentor

No in-app purchases

Questions

Is Simple Blackboard free?
Simple Blackboard is free to download, with in-app purchases available.
Is Heavens Mentor free?
Heavens Mentor is free to download, with no in-app purchases.
Do Simple Blackboard or Heavens Mentor have ads?
Simple Blackboard shows ads; Heavens Mentor does not.
Which is updated more often, Simple Blackboard or Heavens Mentor?
Simple Blackboard ships an update every 9 months, and Heavens Mentor every 3 weeks. Most recently, Simple Blackboard was updated on October 29, 2026 and Heavens Mentor on October 30, 2026.

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