StampDoc vs LinkBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StampDoc
Easily sign PDFs and images, create custom digital stamps, and manage your documents securely from your iPhone or iPad. Streamline your workflow by going fully digital, eliminating the need for printing and scanning.
- Sign PDFs and images
- Create custom digital stamps
- Signature editor and scanner
- Import and reuse stamps
- Built-in PDF and image viewer
- Save and share signed files
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Do you need to sign documents, stamp PDFs, or add signatures to images directly from your iPhone or iPad? With StampDoc, your device becomes your digital signing tool. StampDoc helps you sign PDFs, create professional stamps, and manage your documents securely—all in one place. Forget about printing, scanning, or using complex software. Key Features Sign PDFs and Images: Add digital signatures to PDFs, photos, or images (JPG, PNG) with precision. Ideal for contracts, invoices, agreements, and more. Signature Editor: Create and personalize your signature. Choose thickness, color, and style, then save it for future use. Signature Scanner: Capture your handwritten signature using the camera or import from your gallery to convert it into a digital signature. Digital Stamp Creator: Design stamps—circular, square, or angled—with custom text, colors, and styles. Perfect for professionals who need official marks on their documents. Import and Reuse Stamps: Bring in existing stamps from your gallery or scan them to apply on any file. Built-in PDF and Image Viewer: Open and review your PDFs and images directly within the app. Save and Share: Export signed documents as high-quality PDFs or images, then share them instantly via email, cloud services, or messaging apps. With StampDoc you can Sign PDFs securely and professionally. Create digital signatures and stamps in seconds. Convert handwritten signatures into electronic ones. Manage, save, and share your signed files anytime. Streamline your workflow by going fully digital. Turn your iPhone or iPad into your mobile signing and stamping office. Download StampDoc today and simplify the way you sign and manage your documents. Privacy Policy: https://www.amcompany.net/privacy-policy-am-payroll/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
LinkBox
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LinkBox 是一个为个人使用设计的网址收藏与快速访问工具。 你可以把常用网站保存到 LinkBox 中,按分类整理,通过搜索快速找到需要的网址,并直接在 App 内打开网页。它适合保存工作网站、学习资料、AI 工具、常用服务、论坛社区等链接。 主要功能: - 添加、编辑、删除网址收藏 - 自动识别网页标题和网站图标 - 使用卡片网格展示常用网址 - 按分类管理和筛选网址 - 搜索标题、网址、域名、备注和分类 - 在 App 内打开网页 - 支持给网址添加备注 - 支持本地保存数据 - 可手动开启 iCloud 同步 LinkBox 不需要注册账号,不依赖自建服务器。默认情况下,数据保存在你的设备本地。如果你手动开启 iCloud 同步,数据会通过你的 iCloud 账号在 Apple 生态设备之间同步。
Screenshots
Verdict
The clearest difference is update cadence: LinkBox at every 3 days against StampDoc's every 2 months. StampDoc's advantage is iOS requirement (15 vs 17.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
StampDoc ships an update every 2 months, LinkBox every 3 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.
| Parameter | StampDoc | LinkBox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15 — better | 17.0 |
| Further details — not scored | ||
| Size | 67 MB | 1 MB |
| Age rating | 4+ | 17+ |
| Developer | Anyelo Moreno | 晶 赵 |
In-app purchases
StampDoc
No in-app purchases
LinkBox
No in-app purchases









