91扫描宝 vs Lenovo Smart Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
91扫描宝
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91扫描宝是一款完全免费的图像扫描工具。可以扫描证卡、文档、发票等任何纸张,拍摄图像后,自动去除文档背景,生成高清的PDF或者JPG文件,并计算文件大小,用户可以使用微信、QQ、邮件等来共享文件。 功能亮点: * 图像自动裁剪,畸变矫正 * 拍照时自动检测文档边缘并裁切矫正,畸变矫正可以辅助和规范拍摄,将拍摄不规范的图片调整为标准样式,使移动办公更加快捷高效。 * 双面拍照,自动拼接 * 可以像扫描仪一样完成证件正反面扫描到一张A4纸的效果。 * 发票类型支持A4适应 * 选择发票类型拍照后可以自动适应A4效果,方便打印和复印。 * 图像PDF转换工具 * 随手拍摄的照片一秒钟转换为PDF格式,一部手机即可完成。 * 多平台移动分享 * 拍摄好的图片与PDF文件可以分享到微信、QQ、微博等平台并且支持邮件发送。共享文档,高效办公。 * PDF分享预览 * PDF分享时图片自动适应A4,还可预览生成后的PDF,并且会提示文件大小,移动办公更加快捷有保障。 应用场景: 【文件分类 方便管理】 在相册中找自己想要的文件实在是大海捞针,本应用可以对图像分类管理,支持单个图片命名,目标文件更好找 【随时随地 手机发送扫描件】 不在公司、出差、旅游,不用担心,91扫描宝帮您解决所有扫描工作 【自动裁切 省心省力】 还在用相机拍摄裁剪文档背景吗?不用这么麻烦,91扫描宝自动去除文档背景,快人一步 【图片、PDF随时转换】 随手拍的文档证件图片,需要转为PDF格式怎么办?不用着急,91扫描宝分分钟解决你的难题
Lenovo Smart Scanner
Transform your device into a powerful scanner. Recognize text in images using OCR to convert documents, photos, and notes into editable PDF or JPEG files. Easily transfer your scanned content to any device.
- Document scanning
- OCR text recognition
- Convert to PDF
- Convert to JPEG
- Cross-device compatibility
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Lenovo Smart Scanner is free to download and turns your device into a powerful scanner. With it, you can use Optical Character Recognition (OCR) to automatically recognize text in images, enabling you to scan your paper documents, photos, or notes and convert them into editable PDF or JPEG files for use on your computer, smartphone, or tablet.
Screenshots
Verdict
The clearest difference is iOS requirement: 91扫描宝 at 11.0 against Lenovo Smart Scanner's 13. On price, update cadence, ads and in-app purchases 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.
91扫描宝 ships an update every 5 weeks, Lenovo Smart Scanner every 6 weeks. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.
| Parameter | 91扫描宝 | Lenovo Smart Scanner |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 83.3% of reviews |
| Update frequency | Every 5 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 13 |
| Further details — not scored | ||
| Size | 59 MB | 142 MB |
| Age rating | 4+ | 4+ |
| Developer | 北京译图智讯科技有限公司 | Lenovo(Beijing) Limited |
In-app purchases
91扫描宝
No in-app purchases
Lenovo Smart Scanner
No in-app purchases









