证件水印 vs 蛇类识别器
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
证件水印
This utility app allows users to add text watermarks to documents and photos, protecting personal information from misuse. It supports batch processing for up to 50 images and can export in PDF or image formats, including an A4 print mode.
- Add text watermarks
- Protect privacy information
- A4 copy print mode
- Export PDF or image
- Batch watermark up to 50 photos
- No network requests
Read full descriptionHide full description
证件水印 App 是一款为证件、照片添加文字水印的小工具,保障您的隐私信息不被盗用。 - 支持制作 A4 复印打印模式,导出 PDF 或图片格式 - 支持最多 50 张照片批量添加水印 证件水印 App 不会记录任何信息,无网络请求,不会发送任何数据请求,请放心使用。 如果遇到问题,请在设置的反馈中联系我们。
蛇类识别器
Read full descriptionHide full description
核心功能: 智能图像识别: 基于深度学习的视觉分析系统,支持拍摄或相册上传,快速获取蛇类物种参考结果。广泛覆盖全球常见蛇类,助您了解身边的自然世界。 物种参考信息: 提供物种特征、栖息分布、行为习性等科普信息,以自然观察视角,为您呈现蛇类背后的生态知识。 毒性参考提示: 提供基于公开资料的毒性分类参考与野外遇蛇注意事项,辅助您做出更明智的户外安全决策。 识别记录管理: 自动保存识别历史,构建您的个人自然观察日志,方便随时回顾与整理。 重要提示: 本应用提供的识别结果仅供参考,不构成专业生物学鉴定或医疗建议 遇蛇时请保持安全距离,紧急情况请立即联系当地专业机构 物种数据库持续更新中,部分稀有物种可能暂未收录 “为自然爱好者设计” 无论您是博物学爱好者、户外徒步者,还是热爱自然的探索者,蛇类识别器都将成为您了解自然世界的实用参考工具。 认知自然,从容探索。立即下载,开启您的智慧自然观察之旅。
Screenshots
Verdict
The clearest difference is price: 蛇类识别器 at Free against 证件水印's $1.99. 蛇类识别器 also leads on update cadence (every 5 days vs every 14 months). 证件水印's advantage is iOS requirement (14.0 vs 17.6). On 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
蛇类识别器 is free to download; 证件水印 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
证件水印 ships an update every 14 months, 蛇类识别器 every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | 证件水印 | 蛇类识别器 |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (12 ratings) — better | — |
| Positive reviews | 92.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 14 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | 阳理 江 | 雨雪 雷 |
In-app purchases
证件水印
No in-app purchases
蛇类识别器
No in-app purchases









