Scan to PDF Converter App vs 水印相机
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scan to PDF Converter App
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SmartScanner turns your iPhone into a scanner and PDF toolkit. Capture documents, IDs and receipts; extract text with OCR; convert PDF to Word, Excel or PowerPoint; sign, watermark, merge and compress in one app. Scan to PDF — Auto-crop, perspective correction and filters. Single or multi-page. Export JPEG or PDF. OCR to Word & Excel — Printed text and handwriting. Tables keep layout and export to Excel. IDs and receipts — Passports and licenses, front and back. Receipts and business cards. PDF tools — Merge, split, compress. Reusable signatures and watermarks. Photo translate. Wi-Fi transfer; files stay on your iPhone. Subscription 1. 3-day free trial with all premium features on first download. 2. Auto-renews unless you turn off auto-renew at least 24 hours before the period ends. 3. Charged to your Apple ID. Manage in Settings > Apple ID > Subscriptions. 4. Buying during the trial forfeits remaining trial time. EULA: https://smartscanner.keyelement.cn/legal/terms.html Privacy: https://smartscanner.keyelement.cn/legal/privacy.html
水印相机
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记录真实瞬间,让每张照片都有故事 我们的应用是一款为每一张照片赋予“时间与空间印记”的专业拍摄工具。无论是工作打卡、旅行记录,还是日常生活中的珍贵瞬间,它都能为你的照片自动添加精美水印,让记忆更有据可循。 海量水印模板,满足多元场景需求:涵盖日期时间、地理位置、经纬度、天气状况、心情语录、美食打卡、工程记录等丰富类别,总有一款适合你。 位置精准,时间真实:基于GPS定位与网络校准,水印信息自动生成,拒绝后期修改,确保内容真实可靠。 一键拍摄,即拍即得:操作界面简洁直观,打开即拍,水印自动合成,省去繁琐编辑步骤,分享更快捷。 高清画质,专业体验:支持多种拍摄比例与画质调节,在保留水印信息的同时,无损原图清晰度,细节分毫毕现。 无论是工程监理、物业巡检、考勤打卡,还是旅行Vlog、亲子记录、美食分享,水印相机都是你不可或缺的影像助手。 水印相机——让每一刻,都有迹可循。 立即下载,开启你的真实记录之旅! 协议 用户协议:https://docs.qq.com/doc/p/d82ef3a5f69727f4fd7235ff3839ec856df92f5b 隐私协议:https://docs.qq.com/doc/p/0a2250bd7ed95354de4924fe31d732c0db20ba22 付费协议:订阅扣款前24小时内,由苹果公司对用户的账户进行扣款,可提前取消订阅
Screenshots
Verdict
Scan to PDF Converter App and 水印相机 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Scan to PDF Converter App sells 3 in-app purchases, starting at $6.99 per 7 days and 水印相机 sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Scan to PDF Converter App ships an update every 9 days, 水印相机 weekly. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.
| Parameter | Scan to PDF Converter App | 水印相机 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 104 MB | 31 MB |
| Age rating | 17+ | 4+ |
| Developer | 成都关键元素科技有限公司 | 玉航 杨 |
In-app purchases
Scan to PDF Converter App
- weekly3 Days trial$6.997 Days
- yearly$29.991 Year
- lifetime$79.99
水印相机
- cangfeng3 Days trial$9.997 Days
- cangfeng3 Days trial$22.991 Month
- cangfeng7 Days trial$39.993 Months




