PDF Reader vs 清墨
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader
This app allows you to read various document formats like PDF, EPUB, and CHM on your iPhone and iPad. It supports file import, text search, annotation, and even previewing MS Office files and videos. A simple to-do list and auto-save reading progress are also included.
- Reads PDF, CHM, EPUB, TXT files
- PDF annotation and text search
- File import via Files, Airdrop, iTunes, web
- MS Office and video file preview
- Simple To-Do list functionality
- Auto-save reading progress
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PDF Reader - Mini Version is an amazing reader App on iPhone and iPad Main Fatures: 1. support read pdf、chm、epub、txt file 2. support pdf annotation and text search 3. support import file via Files、Airdrop、iTunes、web browser 4. support MS office Word、Excel、PPT、Video and many other file types preview 5. support simple Todo list 6. support auto save reading progress 7. support Baidu Net Disk
清墨
Experience pure reading with a minimalist design, free from ads and notifications. Supports TXT and EPUB formats, with automatic decompression of ZIP/RAR files. Customize themes, fonts, and sync your progress across devices.
- Minimalist design
- TXT/EPUB support
- Automatic ZIP/RAR decompression
- Theme and font customization
- Cloud sync for reading progress
- Automatic chapter extraction
- Day/Night mode
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1、极简设计，纯粹阅读。无广告，无推送。 2、支持 .txt/.epub 格式文件。 3、支持自动解压缩 zip/rar 4、支持主题配置和下载, 多种字体，字号，背景自定义设置 5、云端同步, 多设备共享阅读进度 6、智能提取 txt 中的章节目录 7、暗夜/白天 模式自由切换
Screenshots
Verdict
PDF Reader and 清墨 both sit at 4.9 stars, but that hides the real split: 100% of 清墨's written reviews are positive against 71% of PDF Reader's. PDF Reader's advantage is iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and update cadence 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
Both are free to download. PDF Reader sells 5 one-off in-app purchases and 清墨 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for PDF Reader against 5.0 for 清墨. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews are what separate them: 71% of PDF Reader's written reviews are positive against 100% of 清墨's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 25, 2026 and September 27, 2026 respectively.
| Parameter | PDF Reader | 清墨 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (8 ratings) | 5.0 (9 ratings) — better |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 | 9 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 50 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | 绪强 任 | ZhenDong Technology Co, Ltd |
Customer experience
PDF Reader
清墨
In-app purchases
PDF Reader
- Reader App donate$0.99
- Dropbox Support$0.99
- Remove Ad$4.99
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- Todo donate$7.99
- Todo donate$14.99
清墨
- 月卡$0.99
- 年卡$3.99
- 无限卡$4.99
