# SuJian · Markdown Paper Reader vs Phone Checkup

The clearest difference is in-app purchases: SuJian · Markdown Paper Reader at none against Phone Checkup's 1. SuJian · Markdown Paper Reader also leads on ads (none vs shown). Phone Checkup's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Phone Checkup sells 1 one-off in-app purchase. SuJian · Markdown Paper Reader asks for nothing beyond the download.

SuJian · Markdown Paper Reader ships an update every 4 days, Phone Checkup every 3 days. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SuJian · Markdown Paper Reader | Phone Checkup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sujian-markdown-paper-reader/id6820091612/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 2 MB | 10 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xiang Zhang](https://appshunter.io/developer/1275476925) | [3810 Production](https://appshunter.io/developer/6815889875) |

## What reviewers say

### SuJian · Markdown Paper Reader

[App page](https://appshunter.io/ios/app/sujian-markdown-paper-reader/id6820091612)

This app provides a clean, offline reading experience for Markdown documents. It focuses on presenting your files as simple, readable pages without editing or syncing features. Easily import files via the share sheet or app folder.

**Highlights:** Offline Markdown reading, Distraction-free page layout, Import via share sheet, Direct folder import, Supports multiple Markdown extensions, Handles various UTF encodings

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

**In-app purchases:** none


### Phone Checkup

[App page](https://appshunter.io/ios/app/phone-checkup-device-test/id6821094489)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Detailed Tests | $2.99 | one-time |


## Frequently asked questions

### Is SuJian · Markdown Paper Reader free?

SuJian · Markdown Paper Reader is free to download, with no in-app purchases.

### Is Phone Checkup free?

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

### Do SuJian · Markdown Paper Reader or Phone Checkup have ads?

Phone Checkup shows ads; SuJian · Markdown Paper Reader does not.

### Which is updated more often, SuJian · Markdown Paper Reader or Phone Checkup?

SuJian · Markdown Paper Reader ships an update every 4 days, and Phone Checkup every 3 days. Most recently, SuJian · Markdown Paper Reader was updated on November 1, 2026 and Phone Checkup 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.*