Comparison

eYACHO Viewer 7 vs SPIDER+

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

eYACHO Viewer 7

Features
Read full description

「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を利用すると施工管理アプリ「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 は法人様向けの製品です。ご利用には専用のアカウントが必要です。 ■ 動作環境 ■ <OS> iOS / iPadOS 17.7以降 ※MシリーズのMacで動作確認済み

About

SPIDER+

Features
Read full description

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.

Screenshots

eYACHO Viewer 71 screens
SPIDER+4 screens

Verdict

The call

eYACHO Viewer 7 and SPIDER+ are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

eYACHO Viewer 7 ships an update every 6 weeks, SPIDER+ every 5 weeks. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

ScorecardNo meaningful differences
eYACHO Viewer 7 versus SPIDER+: the parameters behind the verdict, then further details
ParametereYACHO Viewer 7SPIDER+
PriceFreeFree
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.717.0 — better
Further details — not scored
Size268 MB202 MB
Age rating4+4+
DeveloperMetaMoJi CorporationSpiderPlus & Co.

In-app purchases

None

eYACHO Viewer 7

No in-app purchases

None

SPIDER+

No in-app purchases

Questions

Is eYACHO Viewer 7 free?
eYACHO Viewer 7 is free to download, with no in-app purchases.
Is SPIDER+ free?
SPIDER+ is free to download, with no in-app purchases.
Do eYACHO Viewer 7 or SPIDER+ have ads?
Neither eYACHO Viewer 7 nor SPIDER+ shows ads.
Which is updated more often, eYACHO Viewer 7 or SPIDER+?
eYACHO Viewer 7 ships an update every 6 weeks, and SPIDER+ every 5 weeks. Most recently, eYACHO Viewer 7 was updated on October 4, 2026 and SPIDER+ on October 11, 2026.

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