Comparison

7788收藏 vs CAD转换器

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

Head to head
About

7788收藏

Features
Read full description

7788收藏主要是以字画、古籍、连环画、邮币卡、票证、徽章、陶瓷、紫砂、文房、文玩、玉石、木艺、唱机、相机、唱片等收藏品拍卖、零售、交流的交易平台。 【网站规模】:商品数量达上亿件,有近十万个卖家,几百万个买家,每日同时在线人数达十万人以上; 【多种模式】:大众加价、专场加价、同步拍、直播、零售、批发、约定订单、自由交易等多种交易模式; 【专业版块】:专家鉴定、评级公司、交流会、拍卖行、古玩城、论坛交流等专业化版块; 【功能说明】:商品发布、商品买卖、竞价商品、订单商谈、商品搜索、地摊论坛、交流会资讯、宝贝鉴定评级、好友交流等主要功能。

About

CAD转换器

This app offers a comprehensive suite of file conversion tools, specializing in CAD formats and also supporting PDF, Word, Excel, and image conversions. It also includes features for file compression and PDF manipulation like merging and splitting.

Highlights
  • CAD to PDF conversion
  • PDF to CAD conversion
  • Multiple document format conversions
  • File compression
  • PDF merging and splitting
  • Watermarking and encryption
Features
Read full description

作为一款专业实用的文件格式转换器,CAD转换器不仅提供CAD图纸格式转换的功能。可支持日常生活中PDF转换、文档压缩等相关功能 【具体功能描述】 CAD转换器专注为用户解决文件格式的转换难题,丰富的功能可满足不同用户对不同文件的处理需求。 1.CAD转换:PDF转CAD、CAD转PDF、CAD转图片、CAD版本转换、CAD转DWF、DWG/DXF互转 2.PDF工具:PDF转Word、PDF转图片、PDF转PPT、PDF转Excel、PDF转TXT、Word转PDF、PPT转PDF、图片转PDF、Excel转PDF、TXT转PDF、OFD转PDF、PDF拆分、PDF合并、PDF加水印、PDF加密、PDF解密 3.文件压缩:PDF压缩、图片压缩、ZIP压缩、ZIP解压 【功能亮点】 特有CAD转换:CAD转PDF、图片、DWF,PDF转CAD、CAD版本转换,带你玩转CAD 文件转换无忧:PDF、Word、PPT、Excel、图片、TXT等各种文件格式转化 文件无损压缩:一键压缩文件大小,为您的设备节省储存空间 关于会员订阅 –您可以订阅会员来使用产品的所有功能。 –付款将在确认购买时从iTunes帐户中扣除。 –如需取消自动续订,需要提前至少 24 小时关闭自动续订。 关于自动续费协议,可访问:https://pdf.55.la/privacy/5.html 关于用户协议,可访问:https://pdf.55.la/privacy/6.html

Screenshots

7788收藏4 screens
CAD转换器4 screens

Verdict

The call

The clearest difference is in-app purchases: 7788收藏 at none against CAD转换器's 6. CAD转换器's advantage is update cadence (every 2 weeks vs every 2 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CAD转换器 sells 6 one-off in-app purchases. 7788收藏 asks for nothing beyond the download.

UpkeepUpdate frequency

7788收藏 ships an update every 2 months, CAD转换器 every 2 weeks. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.

Scorecard2 real differences · 8 level
7788收藏 versus CAD转换器: the parameters behind the verdict, then further details
Parameter7788收藏CAD转换器
PriceFreeFree
Rating2.4 (22 ratings) — better
Positive reviews22.2% of reviews
Number of ratings22 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsYes
In-app purchasesNo — betterYes
MonetizationFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.011.0
Further details — not scored
Size155 MB88 MB
Age rating17+4+
Developer997788Xiamen Yinleme Information Technology Co., Ltd

In-app purchases

None

7788收藏

No in-app purchases

6 purchases

CAD转换器

One-time6
  • 月会员$3.99
  • 月度会员$3.99
  • 年度会员$7.99
Show 3 more
  • 超级会员$9.99
  • 一年会员$9.99
  • 两年会员$14.99

Questions

Is 7788收藏 free?
7788收藏 is free to download, with no in-app purchases.
Is CAD转换器 free?
CAD转换器 is free to download, with in-app purchases available.
Which is updated more often, 7788收藏 or CAD转换器?
7788收藏 ships an update every 2 months, and CAD转换器 every 2 weeks. Most recently, 7788收藏 was updated on September 10, 2026 and CAD转换器 on September 16, 2026.

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