# SPIDER_PLUS vs CheX（チェクロス）

The clearest difference is in-app purchases: SPIDER_PLUS at none against CheX（チェクロス）'s 1. On price, update cadence, ads and device support there is nothing between them.

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

SPIDER_PLUS ships an update every 2 weeks, CheX（チェクロス） every 10 days. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SPIDER_PLUS | CheX（チェクロス） |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 133 MB | 69 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [SpiderPlus & Co.](https://appshunter.io/developer/452916604) | [YSL Solution Co., Ltd.](https://appshunter.io/developer/404131444) |

## What reviewers say

### SPIDER_PLUS

[App page](https://appshunter.io/ios/app/spider-plus/id452916601)

**Features:** macOS Compatibility

**In-app purchases:** none


### CheX（チェクロス）

[App page](https://appshunter.io/ios/app/chex/id1289611667)

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 It helps organize and update field information efficiently, preventing errors from outdated plans.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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month (30 days) | $28.99 | one-time |


## Frequently asked questions

### Is SPIDER_PLUS free?

SPIDER_PLUS is free to download, with no in-app purchases.

### Is CheX（チェクロス） free?

CheX（チェクロス） is free to download, with in-app purchases available.

### Do SPIDER_PLUS or CheX（チェクロス） have ads?

Neither SPIDER_PLUS nor CheX（チェクロス） shows ads.

### Which is updated more often, SPIDER_PLUS or CheX（チェクロス）?

SPIDER_PLUS ships an update every 2 weeks, and CheX（チェクロス） every 10 days. Most recently, SPIDER_PLUS was updated on September 23, 2026 and CheX（チェクロス） on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*