Comparison

PDF OCR vs A4妙排

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF OCR

This app offers a comprehensive suite of tools for managing PDF files. It allows you to extract text using OCR, convert PDFs to images, secure documents with passwords, and merge or split files. It also enables creating PDFs from images and converting webpages into PDF format, all while ensuring your data remains private through offline processing.

Highlights
  • Extract text with OCR
  • Convert PDF to images
  • Secure PDFs with passwords
  • Merge or split PDFs
  • Create PDFs from images
  • Convert webpages to PDF
  • Compress file size
Features
Read full description

PDF OCR turns your iPhone and iPad into a complete PDF workspace: scan paper into searchable PDFs, read and mark up any PDF, and fix files with a full set of tools. Everything runs on your device. SCAN TO PDF • Point the camera at a page; edges are found and the page is straightened for you • Scan many pages in one go, then reorder, rotate or remove them • Text is recognized automatically, so scans are searchable and selectable • Reads QR codes and puts both sides of an ID card on one page READ AND MARK UP • Pen, highlighter, text highlight, underline and strikethrough • Notes, shapes, arrows, stamps and your saved signature • Select anything you added to move or resize it • Reorder, rotate, insert and delete pages • Search, contents and bookmarks, night mode and read aloud ALL YOUR PDF TOOLS • Recognize text (OCR) in scanned PDFs • Make files smaller • Merge PDFs and images, split by pages, ranges or every N pages • Convert PDF to images, text and RTF, and web pages to PDF • Add or remove passwords and permissions PRIVATE BY DESIGN Your documents never leave your device. Scanning, text recognition and summaries run on the device, with no account. PDF OCR PRO Pro adds OCR without page limits, advanced split, redaction that removes content for good, watermarks and page numbers, Face ID lock, smart file names for scans, on-device summaries and translation, and Shortcuts actions. Choose monthly, yearly (with a 7-day free trial) or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and can be managed in Settings › Apple Account › Subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://layerz.app/pdfocr/privacy

About

A4妙排

Features
Read full description

A4妙排是一款专注手机文档处理的智能排版与转换工具,支持 PDF、Word、Excel、图片等多格式一键转换为标准 A4/A3/A5 文件,让截图变文档、图片变打印件从未如此简单。无论是学生整理试卷、职场归档文件,还是日常打印证件照,A4妙排都是您的全能手机打印优化工具。 【 试卷无损分割,A3转A4】 上传 A3 尺寸试卷 PDF,一键拆分为 A4,支持横向/纵向智能排版,原始清晰度完整保留,完美适配家用打印机。告别截图打印模糊,批量处理多页试卷,高精度输出,轻松搞定打印复习资料。 【图片转PDF & 多图生成PDF】 从相册选取多张 JPG/PNG 图片,一步合并生成 A4 PDF,支持横向/纵向自由排版。手机截图、扫描件、学习笔记均可快速转为可打印文件,满足文档分发与归档需求。 【Word转PDF & 多文档合并】 上传 Word(.doc/.docx)或现有 PDF,快速转换并支持跨格式按指定顺序合并为统一 PDF。课件整理、合同归档、资料汇总,一步到位。 【表格转PDF】 Excel / XLSX 文件一键转为 A4 PDF,横向/纵向均支持,完整还原表格格式,数据清晰不错位。 【相册排版打印】 每页灵活排列 2/4/6 张照片,自动适配 A4 尺寸,批量打印照片告别裁剪烦恼,整洁美观。 【证件照制作】 一键生成 1寸、2寸等标准证件照,自动拼版至 A4,直接送印或自行打印,省时省钱。 【日历 & 笔记生成】 自定义生成月历、周计划、横格笔记、方格笔记,多种主题配色可选,下载即打印即用。 【PDF 合并 & 拆分】 多个 PDF 按顺序合并为一份文件;智能识别分割线,将 A3 大页面精准切割为 A4/A5,文字图片不截断。 【A4 模板库】 海量免费 A4 模板,覆盖笔记、计划、记忆、书写、英文、手账、设计、音乐等 9 大类别,下载即用,学习办公两相宜。 【系统分享接收 & 转换历史】 支持从微信、邮件、文件 App 直接分享 PDF、Word、图片至 A4妙排立即处理;自动记录每次转换结果,随时查看、重新导出或分享。 【适用人群】 - 学生:A3试卷转A4打印、下载学习模板、整理课程笔记 - 职场人士:统一文件尺寸、批量转换归档、快速输出打印件 - 日常生活:自制证件照、照片相册排版、DIY手账日记 【支持格式】 输入:PDF / Word(.doc/.docx)/ Excel(.xlsx)/ JPG / PNG / 手机截图 输出:A3 / A4 / A5 标准 PDF,横向/纵向可选 轻量高效,无需电脑,手机即可完成一切文档排版与打印准备。 下载 A4妙排,让每一份文件都整整齐齐,每一次打印都清晰高效! 服务条款详见 Apple 标准协议:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF OCR4 screens
A4妙排4 screens

Verdict

The call

The clearest difference is in-app purchases: A4妙排 at none against PDF OCR's 3. A4妙排 also leads on update cadence (daily vs every 3 weeks) and iOS requirement (13.0 vs 17.0). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF OCR sells 3 in-app purchases, starting at $3.99 per month. A4妙排 asks for nothing beyond the download.

UpkeepUpdate frequency

PDF OCR ships an update every 3 weeks, A4妙排 daily. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
PDF OCR versus A4妙排: the parameters behind the verdict, then further details
ParameterPDF OCRA4妙排
PriceFreeFree
Rating4.4 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size7 MB55 MB
Age rating17+4+
DeveloperLayerz Corp.一鸣 刘

In-app purchases

3 purchases

PDF OCR

Subscriptions2
  • PDF OCR Pro Monthly$3.991 Month
  • PDF OCR Pro Yearly7 Days trial$19.991 Year
One-time1
  • PDF OCR Pro Lifetime$49.99
None

A4妙排

No in-app purchases

Questions

Is PDF OCR free?
PDF OCR is free to download, with in-app purchases available.
Is A4妙排 free?
A4妙排 is free to download, with no in-app purchases.
Do PDF OCR or A4妙排 have ads?
Neither PDF OCR nor A4妙排 shows ads.
Which is updated more often, PDF OCR or A4妙排?
PDF OCR ships an update every 3 weeks, and A4妙排 daily. Most recently, PDF OCR was updated on October 25, 2026 and A4妙排 on October 28, 2026.

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