Comparison

Sign Documents vs 文件转换

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

Head to head
About

Sign Documents

Easily add signatures, text, and images to your PDF documents. This user-friendly tool offers real-time saving and an intuitive interface for quick document personalization. Ideal for students and professionals needing efficient PDF editing.

Highlights
  • Add signatures
  • Insert text
  • Add images
  • Real-time saving
  • Intuitive interface
  • Personalize documents
Features
Read full description

PDF Editor, a powerful and user-friendly tool designed to enhance your productivity. With this app, you can easily add signatures, text, and images to your PDF files. Our PDF Editor App allows you to personalize your documents in a few simple steps. Need to sign a document? No problem. You can add your signature swiftly and save it for future use. Want to annotate or add comments? You can type in text anywhere on the document. Need to add images? You can insert pictures with ease and adjust their size and position to fit your needs. But that's not all. Our app is designed with a clean and intuitive interface, making it easy even for beginners to navigate and use. Plus, all your edits are saved in real-time, ensuring you won't lose any changes. Whether you're a student, a professional, or someone who needs to work with PDFs, our PDF Editor App is the perfect tool for you. Download it now and experience the convenience and efficiency it brings to your work and daily life." Feel free to modify this to better suit your app's features and target audience. SUBSCRIPTION INFO: Subscribe to take advantage of the features described above. • Subscription length: monthly, yearly • Your payment will be charged to your iTunes Account as soon as you confirm your purchase. • You can manage your subscriptions and turn off auto-renewal from 'Settings > iTunes Account & App Store > Apple ID > Subscriptions' • Your subscription will renew automatically unless you turn off auto-renew at least 24 hours before the end of the current period. • The cost of renewal will be charged to your account 24 hours before the end of the current period. • When canceling a subscription, your subscription will stay active until the end of the period. Auto-renewal will be disabled, but the current subscription will not be refunded. Terms of use: https://docs.qq.com/doc/DRWhmR0VSaXJJWWVs Privacy policy: https://docs.qq.com/doc/DRWhmR0VSaXJJWWVs Inquiry: help4pdfsign@gmail.com

About

文件转换

This app allows for authentic handwritten electronic signatures on documents. It also offers document scanning with OCR, extraction of data from tables into Excel, and conversion of various files to PDF. Manage your identification documents with its scanning feature.

Highlights
  • Handwritten electronic signatures
  • Document scanning with OCR
  • Table to Excel extraction
  • ID document management
  • File to PDF conversion
Features
Read full description

文件转换app是一款专业的电子文件转换app,支持PDF文件转成多种格式,比如doc\docx,xlsx、pptx等格式,也支持其他文件转成PDF格式等文件,还具备真实的手写笔迹签名,是你办公时的效率神器。 *PDF文件转成其他格式 *其他格式文档转成PDF文件 *手写签名,电子文档签字; *文档扫描,OCR内容识别提取; *表格照片提取excel文件; *证件扫描管理; *其他文件转为PDF; 应用订阅服务说明1、订阅服务: 根据您的选择,提供订阅服务。 2.订阅价格:订阅价格取于选择的订单套餐,以实际订阅价格为准。 3.付款:用户确认购买并付款后计入iTunes账号。 4.订阅将自动续订,除非您在当前订阅周期结束前至少提前24小时关闭自动续订。 隐私协议:https://sites.google.com/view/dianziqianzi 用户协议:https://sites.google.com/view/dianziqianzi

Screenshots

Sign Documents3 screens
文件转换4 screens

Verdict

The call

The clearest difference is in-app purchases: 文件转换 at none against Sign Documents's 2. 文件转换 also leads on update cadence (every 9 days vs every 6 weeks). Sign Documents's advantage is iOS requirement (15.0 vs 17.6). 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. Sign Documents sells 2 in-app purchases, starting at $8.99 per month. 文件转换 asks for nothing beyond the download.

UpkeepUpdate frequency

Sign Documents ships an update every 6 weeks, 文件转换 every 9 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Sign Documents versus 文件转换: the parameters behind the verdict, then further details
ParameterSign Documents文件转换
PriceFreeFree
Rating4.5 (68 ratings) — better—
Positive reviews88.2% of reviews—
Number of ratings68 — better—
Update frequencyEvery 6 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.6
Further details — not scored
Size9 MB16 MB
Age rating4+4+
Developer晓峰 刘慧霞 龙

In-app purchases

2 purchases

Sign Documents

Subscriptions1
  • PDF Editor PRO3 Days trial$8.991 Month
One-time1
  • Forever Pro$14.99
None

文件转换

No in-app purchases

Questions

Is Sign Documents free?
Sign Documents is free to download, with in-app purchases available.
Is 文件转换 free?
文件转换 is free to download, with no in-app purchases.
Do Sign Documents or 文件转换 have ads?
Neither Sign Documents nor 文件转换 shows ads.
Which is updated more often, Sign Documents or 文件转换?
Sign Documents ships an update every 6 weeks, and 文件转换 every 9 days. Most recently, Sign Documents was updated on November 6, 2026 and 文件转换 on November 5, 2026.

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