SPIDER_PLUS vs eYACHO Viewer 6
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SPIDER_PLUS
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This application is SPIDER PLUS for English Version. ----What is SPIDER PLUS?---- SPIDER PLUS is a field work management and information sharing system specialized in the construction industry. Features *Download and store a large quantity of drawings data in a tablet PC and no need to carry around paper drawings. *Attach memos and photos on the drawings at the field. *There is a folder function similar to Windows Explorer, and thumbnail images are also displayed and desired drawings can be easily found. *Approximate distance can be measured through a scale function. *Drawings and photos turned into PDF files on an iPad can be mailed directly without going through a server. *Share information among users in real-time. *Memos and photos can be output as EXCEL/PDF report. ----How to use SPIDER PLUS?---- 1. Register drawings on the server 2. Download to mobile devices from the server and carry around 3. Attach memos and photos on the drawings at the field 4. Share information among users in real-time 5. Edit and output contents entered from mobile devices using a web browser.
eYACHO Viewer 6
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「eYACHO Viewer」は、「eYACHO for Business」を合わせてインストールして頂くと便利にお使いいただけます。 「eYACHO for Business」上の文書共有中の画面から、「eYACHO Viewer」で同じ文書の同じページを開くことができます。 「eYACHO for Business」とほぼ同等の機能があるので、Split Viewを利用するとデジタル野帳アプリ「eYACHO for Business」と合わせて、切り替えながら使うことで次のような操作が可能となります。 ・閲覧しながらメモ書き ・会議中に現在のページを参照しながら、別のページを修正 ・別々のページを同時に閲覧 このほかにも文書操作の用途が大きく広がります。 * eYACHO Viewerのご利用には専用のアカウントが必要です。 ■ 動作環境 ■ <OS> OS 13.6 以降 M1 Mac
Screenshots
Verdict
The clearest difference is update cadence: SPIDER_PLUS at every 2 weeks against eYACHO Viewer 6's monthly. eYACHO Viewer 6's advantage is device support (3 vs 1) and iOS requirement (13.6 vs 17.0). On price, ads and in-app purchases 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.
SPIDER_PLUS ships an update every 2 weeks, eYACHO Viewer 6 monthly. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.
| Parameter | SPIDER_PLUS | eYACHO Viewer 6 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.6 — better |
| Further details — not scored | ||
| Size | 133 MB | 276 MB |
| Age rating | 4+ | 17+ |
| Developer | SpiderPlus & Co. | MetaMoJi Corporation |
In-app purchases
SPIDER_PLUS
No in-app purchases
eYACHO Viewer 6
No in-app purchases
Questions
Is SPIDER_PLUS free?
Is eYACHO Viewer 6 free?
Do SPIDER_PLUS or eYACHO Viewer 6 have ads?
Which is updated more often, SPIDER_PLUS or eYACHO Viewer 6?
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