# 收檢e系統 vs Marked

The clearest difference is in-app purchases: 收檢e系統 at none against Marked's 3. 收檢e系統 also leads on iOS requirement (15.0 vs 17.0). Marked's advantage is update cadence (every 4 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Marked sells 3 in-app purchases, starting at $2.99 per month. 收檢e系統 asks for nothing beyond the download.

收檢e系統 ships an update every 6 months, Marked every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 收檢e系統 | Marked |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marked-organize-book-quotes/id6807306865/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 22 MB | 27 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [思必瑞特生技股份有限公司](https://appshunter.io/developer/1741877631) | [Tingan Cho](https://appshunter.io/developer/6805800429) |

## What reviewers say

### 收檢e系統

[App page](https://appshunter.io/ios/app/e/id6502589637)

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

**In-app purchases:** none


### Marked

[App page](https://appshunter.io/ios/app/marked-organize-book-quotes/id6807306865)

Capture and organize memorable quotes and highlights from books and articles. Rediscover them through daily reminders and home screen widgets, adding your own reflections to deepen understanding. Designed for avid readers who want to revisit and remember what they've read.

**Highlights:** Save quotes and highlights, Import from e-readers, Daily quote reminders, Home screen widgets, Add personal notes, Camera capture for physical books

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $14.99 | per year |
| Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is 收檢e系統 free?

收檢e系統 is free to download, with no in-app purchases.

### Is Marked free?

Marked is free to download, with in-app purchases available.

### Do 收檢e系統 or Marked have ads?

Neither 收檢e系統 nor Marked shows ads.

### Which is updated more often, 收檢e系統 or Marked?

收檢e系統 ships an update every 6 months, and Marked every 4 days. Most recently, 收檢e系統 was updated on November 4, 2026 and Marked on October 31, 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.*