Comparison

CheX(チェクロス) vs SPIDER+

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

Head to head
About

CheX(チェクロス)

This app allows users to quickly view construction documents, add handwritten notes and photos directly onto blueprints, and share this information with others. It helps organize and update field information efficiently, preventing errors from outdated plans.

Highlights
  • High-speed blueprint viewing
  • Annotate with handwritten notes
  • Attach photos to documents
  • Cross-platform sharing (Windows/Mac)
  • User permission controls
  • Organize large document sets
Read full description

CheX is an app that lets you browse through construction documents quickly. You can record hand-written memos and photos onto your blueprints/manuals, and share them with others. Use CheX to organize/share information and keep your field up to date. [Features] - High speed viewing: If you display a blueprint with another app, it takes time. In CheX, Stress-free display detailed blueprints. - Compatible with office documents: Construction instructions, reports and schedules can be displayed the same way they are on a computer, without destroying the layout. - Sharing notes: By using handwritten notes and text notes, you can convey information easily and clearly with the note function. - Sharing pictures: Select a location on the blueprint, take a picture on the scene and save it right there. you can share pictures of the construction condition as well. - Sharing on Windows/Mac: You can see recorded notes and photos from both Windows/Mac. - User restriction: You can set various permissions (browse/edit) for each user using Windows/Mac clients. * By using CheX, manage big blueprints and related documents with CheX. You can easily carry them around. * You will never lose your hand-written notes again. * Place your blueprints on a server specifically made for that. This allows you to keep all plans up to date and share them. No more errors caused by old blueprints. [For Using] * To use CheX, you need to pay a fee and create a CheX user ID. * If you already have an user ID, you can continue to use the app with no extra fees. [Contact Information] For consultations or questions about CheX service, please contact us from "Contact" of Sapport Site below.

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

CheX(チェクロス)4 screens
SPIDER+4 screens

Verdict

The call

The clearest difference is in-app purchases: SPIDER+ at none against CheX(チェクロス)'s 1. CheX(チェクロス)'s advantage is update cadence (every 10 days vs every 5 weeks). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CheX(チェクロス) sells 1 one-off in-app purchase. SPIDER+ asks for nothing beyond the download.

UpkeepUpdate frequency

CheX(チェクロス) ships an update every 10 days, SPIDER+ every 5 weeks. The most recent releases landed on September 25, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 6 level
CheX(チェクロス) versus SPIDER+: the parameters behind the verdict, then further details
ParameterCheX(チェクロス)SPIDER+
PriceFreeFree
Positive reviews20.0% of reviews—
Update frequencyEvery 10 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad — betteriPad
Requires iOS17.017.0
Further details — not scored
Size70 MB202 MB
Age rating4+4+
DeveloperYSL Solution Co., Ltd.SpiderPlus & Co.

In-app purchases

1 purchases

CheX(チェクロス)

One-time1
  • 1 month (30 days)$28.99
None

SPIDER+

No in-app purchases

Questions

Is CheX(チェクロス) free?
CheX(チェクロス) is free to download, with in-app purchases available.
Is SPIDER+ free?
SPIDER+ is free to download, with no in-app purchases.
Do CheX(チェクロス) or SPIDER+ have ads?
Neither CheX(チェクロス) nor SPIDER+ shows ads.
Which is updated more often, CheX(チェクロス) or SPIDER+?
CheX(チェクロス) ships an update every 10 days, and SPIDER+ every 5 weeks. Most recently, CheX(チェクロス) was updated on September 25, 2026 and SPIDER+ on October 11, 2026.

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