ThinkBoard Player vs GYAKUSAN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ThinkBoard Player
This application allows users to play video content created with the ThinkBoard content creation software. It supports various TBO and TBC file formats and offers multiple methods for importing and viewing files, including direct import, iTunes file sharing, and URL downloads.
- Plays TBO and TBC file formats
- Import files via iTunes
- Direct file import
- URL download and playback
- Supports various file extensions
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A player dedicated to video content created with the content creation software "ThinkBoard". ■ How to watch ・Viewing via Safari or other browsers The file will be saved in a folder such as download by the browser. After that, it will be handled by the download manager or file app. ・ Viewing using the file app (1) Copy / move the TB file saved by downloading etc. directly to the "Files List" folder of this application. ② Select "Open with ThinkBoard Player" from the shared menu. (* It may not be possible depending on the version) ・File transfer using the "File Sharing" function of iTunes This application checks the shared folder when the application starts, and moves the transferred playable files to the "Files List". ・ Viewing using the import function of this application You can import from the upper right "⋮" button in the file list. ・Enter the URL from the menu "Download" and watch from the list. If you cannot download directly, the browser will start. ■ Playable files TBO file format (TBO / TBON / TBO-L / TBO-LN / TBO-M / TBO-MN) TBC file format (TBC / TBM / TBT / TBMT) * Member content created with the ThinkBoard G series cannot be played. ■ Viewing environment Recommended: 2GB RAM or more * Delays may occur depending on device specifications and content. ---------------------------------------------------------------------------------------------------------- ■ What is ThinkBoard? ThinkBoard is a "content creation software" that creates video content with images, voice, and handwritten drawings. With the creator's real "voice" and "handwritten drawings," it is possible to create content that conveys feelings and individuality, and expresses subtle nuances that are difficult to express in printed form. ThinkBoard, which was developed based on the basic concepts of "easy," "speedy," and "easy to understand," is currently used in the fields of communication, presentations, and other learning and educational tools (e-learning, correspondence courses) . ■Customer support Please contact us at the e-mail address below with any problems or questions. We would appreciate it if you could let us know the name of the device you are using and which content you were viewing when the problem occurred. (Customers who have reported problems in their custom reviews should also contact us at this email address.) ◎ Email address Info@e-kjs.jp ----------------------------------------------------------------------------------------------------------
GYAKUSAN
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The New type of Math drill. Making formulas is a good exercise for your brain from the answer. Improve your Math skills!! All of the four arithmetic operations are provided. This APP is pretty simple to use, everyone can play and enjoy this APP, and then improve your calculation power. For kids, it's suitable. There are 81 stages, from 1-1 to 9-9.(proceeding 1-2,1-3,...,1-9,2-1,2-2,...) You can get the Medal after clearing these stages in time. Complete to collect medals, even if Questions can be more difficult in higher stages. ▼For training in calculation This App provides you with questions using all of the four arithmetic operations. You rarely show the same question while using this App because this app questions you randomly from huge lots of questions. ▼Simple to use You can answer question by choosing the number from the options. ▼Medals You can get medals when you clear a stage. ▼Coins Only a coin needs to play a stage. you get 3 coins everyday when the first time you use this App a day. ▼Multi Languages This app dealt with Japanese and English. ▼Play for free!! ▼Defects/Requests Please contact us by email at tsiapp005a202503@triad-sol.co.jp. ▼Terms of service https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: GYAKUSAN at daily against ThinkBoard Player's every 4 months. 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.
ThinkBoard Player ships an update every 4 months, GYAKUSAN daily. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | ThinkBoard Player | GYAKUSAN |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 28.6% of reviews | — |
| Update frequency | Every 4 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | KJS | TRIAD SOLUTION INC. |
In-app purchases
ThinkBoard Player
No in-app purchases
GYAKUSAN
No in-app purchases









