Watermark Toolbox vs 公交ERP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Watermark Toolbox
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Leave your mark. Keep your images looking their best. Invisible Watermark brings photo and video watermarking, invisible digital watermarks, a watermark camera, AI removal, and watermark extraction together in one app. Add a visible signature before sharing, or embed hidden information within an image. INVISIBLE DIGITAL WATERMARKS Embed your own information in an image without noticeably changing its appearance. Use watermark extraction to read embedded digital watermark information and help identify the source of your work. PHOTO & VIDEO WATERMARKS Add visible watermarks to photos and videos to give your content a recognizable mark. Useful for photography, product images, and everyday sharing. WATERMARK CAMERA Automatically add a watermark as you take a photo, saving you an extra editing step. AI REMOVAL Brush over the area you want to remove. AI removes the selected content and fills in the area for a cleaner image. ADVANCED WATERMARKS & EXTRACTION Work with text, black-and-white logos, and signature outlines. To extract an advanced watermark, select both the original image and the watermarked version for comparison. WATERMARK MANAGEMENT Keep frequently used stamps and templates in one place, ready to use again. From adding your signature to embedding hidden information and cleaning up an image, Invisible Watermark makes everyday watermark tasks easier.
公交ERP
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企业app,方便各类企业中不同职位的人处理相关任务
Screenshots
Verdict
The clearest difference is price: 公交ERP at Free against Watermark Toolbox's $2.99. 公交ERP also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). On in-app purchases, device support and iOS requirement 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
公交ERP is free to download; Watermark Toolbox costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Watermark Toolbox ships an update every 4 months, 公交ERP every 2 weeks. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.
| Parameter | Watermark Toolbox | 公交ERP |
|---|---|---|
| Price | $2.99 | Free — better |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 278 MB | 39 MB |
| Age rating | 4+ | 17+ |
| Developer | 冉 刘 | Toyou Tech. Co., Ltd. |
In-app purchases
Watermark Toolbox
No in-app purchases
公交ERP
No in-app purchases







