# eDocReader vs Colorkrew Biz

The clearest difference is review sentiment: eDocReader at 94% against Colorkrew Biz's 0%. Colorkrew Biz's advantage is update cadence (monthly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

eDocReader ships an update every 4 months, Colorkrew Biz monthly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | eDocReader | Colorkrew Biz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/edocreader/id433847604/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **94.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 13 MB | 17 MB |
| Requires iOS | 15.0 | **14.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIPPON INFORMATION CO.,LTD.](https://appshunter.io/developer/396358322) | [Colorkrew Inc.](https://appshunter.io/developer/715455152) |

## What reviewers say

### eDocReader

[App page](https://appshunter.io/ios/app/edocreader/id433847604)

Organize and annotate PDF documents with a tabbed interface and bookmarking features. Collaborate in real-time with paperless meetings, synchronizing viewing and drawings across multiple devices.

**Highlights:** Tabbed PDF interface, Page bookmarking, Thumbnail view, Drawing and text annotation, Magnifier mode, Paperless meeting synchronization, Connect up to 8 devices

**Features:** Vision Pro support

**In-app purchases:** none


### Colorkrew Biz

[App page](https://appshunter.io/ios/app/colorkrew-biz/id1295488291)

This tool simplifies office operations by enabling employees to purchase company snacks and manage seminar attendance using QR codes. Administrators can register products, track sales, and manage employee data.

**Highlights:** QR code product purchasing, Seminar attendance tracking, Seat management, Sales history monitoring, Salary citation data export, Employee login and purchase history

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is eDocReader free?

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

### Is Colorkrew Biz free?

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

### Do eDocReader or Colorkrew Biz have ads?

Neither eDocReader nor Colorkrew Biz shows ads.

### Which is updated more often, eDocReader or Colorkrew Biz?

eDocReader ships an update every 4 months, and Colorkrew Biz monthly. Most recently, eDocReader was updated on October 24, 2026 and Colorkrew Biz on October 26, 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.*