KANNA vs 電子看板V2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KANNA
Streamline administrative tasks, travel, and communication for non-desk workers. Access project information, photos, and documents in the cloud, and manage schedules with a team calendar. Facilitate faster communication with project-linked chat.
- Cloud-based site management
- Photo and document storage
- Customizable report templates
- Team calendar view
- Project-linked chat
- Daily reporting with photo attachments
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KANNA is a “Project Management App” that enhances the productivity of the non-desk work industry around the world, such as construction, real estate, and manufacturing industries. It reduces the troublesome administrative work, travel, and communication to maximize work productivity. ▼ Main functions 【Site management】 Project information is stored in the cloud so users can access the latest information anywhere, anytime from smartphone. 【Photos / Documents】 Upload project photos anytime, anywhere. Documents such as drawings and specification are also stored in the cloud, which allows users to access on the go. Take notes/draw in photos and documents. 【Custom report】 You can easily fill in the familiar format as a template. Since it is stored in the cloud immediately, there is no work man -hours to collect paper forms or return to the office and then post or aggregate them. 【Calendar】 Manage your work schedule in a calendar view with visibility of team members` schedule as well. 【Chat】 Improve communication speed with the chat tool. Chat is also linked to the projects, so you can communicate while checking project details. 【Daily report】 Reporting to support your project from beginning to end with ability to attach photos. ≪Note≫ The recommended environment for this app is iOS15 or higher. ▼ Questions and inquiries KANNA (Kanna) Support Desk will support questions about operation. Inquiries: https://forms.gle/Aj11gMrt1GhP5P98A
電子看板V2
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新工事予約システムと連携したV2アプリです。 既存ユーザー様は、別アプリ「電子看板」をご利用ください。 会員様限定サービスです。 インターホン工事予約システムと連動して、インターホンの施工写真を撮影します。 写真を撮影すると、工事看板が表示され必要項目(工事名、撮影日、撮影部位、施工会社)が自動で反映されます。 工期終了後、工事台帳を提供します。
Screenshots
Verdict
The clearest difference is update cadence: KANNA at weekly against 電子看板V2's every 6 weeks. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KANNA ships an update weekly, 電子看板V2 every 6 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | KANNA | 電子看板V2 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 86.5% of reviews | — |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 180 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Aldagram Inc. | NESPE CO.,LTD. |
In-app purchases
KANNA
No in-app purchases
電子看板V2
No in-app purchases









