Comparison

龙嘉SCM供应商 vs 证件水印

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

★ 5.012 ratingsView app →

About

龙嘉SCM供应商

Features

Read full description

移动办公，提高效率！

About

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.

Highlights

Add text watermarks
Protect privacy information
A4 copy print mode
Export PDF or image
Batch watermark up to 50 photos
No network requests

Features

Read 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。

Screenshots

龙嘉SCM供应商3 screens

证件水印3 screens

Verdict

The call

The clearest difference is price: 龙嘉SCM供应商 at Free against 证件水印's $1.99. 龙嘉SCM供应商 also leads on update cadence (every 4 months vs every 14 months) and iOS requirement (12.0 vs 14.0). 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

CostPrice · In-app purchases · Ads · Monetization

龙嘉SCM供应商 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.

UpkeepUpdate frequency

龙嘉SCM供应商 ships an update every 4 months, 证件水印 every 14 months. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 7 level

龙嘉SCM供应商 versus 证件水印: the parameters behind the verdict, then further details
Parameter	龙嘉SCM供应商	证件水印
Price	Free — better	$1.99
Rating	—	5.0 (12 ratings) — better
Positive reviews	—	92.0% of reviews
Number of ratings	—	12 — better
Update frequency	Every 4 months — better	Every 14 months
Ads	No	No
In-app purchases	No	No
Monetization	—	Paid
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.0 — better	14.0
Further details — not scored
Size	35 MB	2 MB
Age rating	4+	12+
Developer	文朗梁	阳理江

In-app purchases

None

龙嘉SCM供应商

No in-app purchases

None

证件水印

No in-app purchases

Questions

Is 龙嘉SCM供应商 free?

龙嘉SCM供应商 is free to download, with no in-app purchases.

Is 证件水印 free?

证件水印 costs $1.99, with no in-app purchases.

Do 龙嘉SCM供应商 or 证件水印 have ads?

Neither 龙嘉SCM供应商 nor 证件水印 shows ads.

Which is updated more often, 龙嘉SCM供应商 or 证件水印?

龙嘉SCM供应商 ships an update every 4 months, and 证件水印 every 14 months. Most recently, 龙嘉SCM供应商 was updated on September 17, 2026 and 证件水印 on September 15, 2026.