# KANNA vs 電子黒板plus

The clearest difference is update cadence: 電子黒板plus at every 3 days against KANNA's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KANNA ships an update weekly, 電子黒板plus every 3 days. The most recent releases landed on October 22, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | KANNA | 電子黒板plus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 86.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | — |
| Size | 179 MB | 33 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aldagram Inc.](https://appshunter.io/developer/1492860149) | [mio goya](https://appshunter.io/developer/6781063951) |

## What reviewers say

### KANNA

[App page](https://appshunter.io/ios/app/kanna-project-management/id1516962928)

This app streamlines administrative tasks for non-desk workers in industries like construction and manufacturing. It offers cloud-based access to project information, document sharing, custom reporting, and team communication tools to boost on-site productivity.

**Highlights:** Cloud-based site management, Photo and document storage, Customizable report templates, Team calendar view, Project-linked chat, Daily reporting with photo attachments

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

**In-app purchases:** none


### 電子黒板plus

[App page](https://appshunter.io/ios/app/plus/id6781063949)

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

**In-app purchases:** none


## Frequently asked questions

### Is KANNA free?

KANNA is free to download, with no in-app purchases.

### Is 電子黒板plus free?

電子黒板plus is free to download, with no in-app purchases.

### Do KANNA or 電子黒板plus have ads?

Neither KANNA nor 電子黒板plus shows ads.

### Which is updated more often, KANNA or 電子黒板plus?

KANNA ships an update weekly, and 電子黒板plus every 3 days. Most recently, KANNA was updated on October 22, 2026 and 電子黒板plus on October 12, 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.*