当贝家 vs Watermark One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
当贝家
This app offers a suite of tools for managing smart home devices, including remote control, screen mirroring, and video calls. It also provides access to popular movies and TV shows for seamless big-screen playback. Enjoy a personalized home screen experience and easy device connectivity.
- Remote control for smart devices
- Magic screen mirroring
- Video calls
- Remote home monitoring
- Device settings and calibration
- Customizable home screen
- Access to popular movies and TV shows
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【全新首页】 特色功能:遥控器、魔法同屏、视频通话、远程看家等一应俱全; 系统功能:找回遥控,设置,自动对焦,梯形校正等通通支持。 玩机攻略:玩转当贝投影/盒子,小白也能进阶为大神。 自定义首页功能展示及排序,就爱自由。 便捷新体验,等你来享受。 【热门影视】 数据同步当贝OS,热门剧集任君选择; 随心挑大片,一键大屏播放。 【使用方法】 支持同网络连接及同账号连接。 同网络连接:确保当贝投影/盒子与手机在同一Wi-Fi下即可; 同账号连接:确保当贝OS和手机上使用同一个微信号登录即可。 【联系我们】 使用中遇到任何问题,您可以通过以下方式联系我们: 当贝投影官方QQ群:872987530 当贝盒子官方QQ群:685061107
Watermark One
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Add a watermark to an image or PDF without opening a complicated editor. Watermark One is designed for iPhone and iPad. Choose one image or PDF from Photos or Files, add a text or image watermark, preview the result, then share or save your export. The focused workflow makes it easy to finish wherever you are. KEY FEATURES • Text and image watermarks Enter a copyright notice, signature, brand name, or other custom text. You can also use a logo, signature, or another image as your watermark. • Flexible appearance controls Adjust the font, weight, color, size, opacity, rotation, and margins, then choose from nine convenient positions. • Single or tiled layouts Place one watermark on the canvas or repeat it across the entire image or page. Fine-tune horizontal and vertical spacing for tiled layouts. • Live image and PDF preview Check the result before exporting. For PDFs, move through individual pages to verify watermark placement. • Flexible PDF page selection Apply a watermark to every page, or enter page numbers and ranges to process only the pages you need. • Multiple image export formats Keep the original format or export as JPEG, PNG, HEIC, TIFF, GIF, BMP, JPEG 2000, or AVIF. Adjust output quality for supported lossy formats. • Mobile-friendly export tools Send the finished file with the system share sheet, or save image exports to Photos. Export history stays on the current device so you can preview, share, or delete previous results. IDEAL FOR • Signing photography, illustrations, and design previews • Adding copyright notices, logos, or brand marks to product images • Marking contracts, reference material, and other PDF documents • Adding an ownership overlay before sharing a file PRIVACY FIRST Your image, PDF, and watermark processing happens locally on your iPhone or iPad. No account is required, your files are never uploaded, and the app does not collect or track personal data. Protect and label your images and PDFs wherever you work.
Screenshots
Verdict
The clearest difference is in-app purchases: 当贝家 at none against Watermark One's 3. 当贝家 also leads on iOS requirement (14.0 vs 18.0). Watermark One's advantage is ads (none vs shown). On price 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. Watermark One sells 3 one-off in-app purchases. 当贝家 asks for nothing beyond the download.
| Parameter | 当贝家 | Watermark One |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (5 ratings) — better | — |
| Positive reviews | 45.5% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 144 MB | 4 MB |
| Age rating | 12+ | 4+ |
| Developer | Hangzhou Dangbei Network Technology Co.,Ltd | 群英 廖 |
In-app purchases
当贝家
No in-app purchases
Watermark One
- 1 Export$0.99
- 10 Exports$2.99
- Lifetime Unlock$5.99









