# Simple Blackboard vs Heavens Mentor

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.

Both are free to download. Simple Blackboard sells 1 one-off in-app purchase. Heavens Mentor asks for nothing beyond the download.

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.

## The numbers

| Metric | Simple Blackboard | Heavens Mentor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (138 ratings)](https://appshunter.io/ios/app/simple-blackboard/id1436764683/reviews)** | — |
| Number of ratings | **138** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 63 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bita Sobhani](https://appshunter.io/developer/1372721132) | [Datahex](https://appshunter.io/developer/1812876084) |

## What reviewers say

### Simple Blackboard

[App page](https://appshunter.io/ios/app/simple-blackboard/id1436764683)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


### Heavens Mentor

[App page](https://appshunter.io/ios/app/heavens-mentor/id6745577336)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*