Comparison

法大大 vs 查农证

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

Head to head
About

法大大

This app offers a secure and compliant platform for signing electronic contracts online. It simplifies the traditional signing process, saving time and ensuring legal validity through features like real-name authentication and blockchain evidence preservation. It supports various industries for efficient contract management.

Highlights
  • Online electronic contract signing
  • Contract drafting
  • Free contract management
  • Real-name authentication
  • Blockchain evidence preservation
  • Legal validity assurance
  • Electronic seal issuance
Features
Read full description

告别传统签约方式,在线签署电子合同文件!法大大作为领先的第三方电子合同平台,因其便捷、安全、合规等特点被广大用户所认可!电子合同问题请咨询法大大客服热线:400-869-2012。 便捷:网上签合同更方便,在线签合同1分钟轻松搞定,节省时间; 安全:采用实名认证手段确保签署人身份真实有效,区块链分布式证据保全,碎片化加密存储,有效防篡改; 合规:法大大严格遵照《电子签名法》、《合同法》等相关规定,保证用户签署的电子合同文件具有法律效力。 电子合同产品功能: 在线签署电子合同;支持合同在线起草;免费的电子合同管理服务,海量电子合同模板免费下载;实名认证后颁发有效的电子签章/电子印章/电子公章;支持电子签章/电子印章/电子公章在线上传;免费对电子签章/电子印章/电子公章进行管理,并提供权威司法鉴定、在线仲裁、出证技术报告等延伸法律服务。 广泛的应用场景: 旅游行业-旅游电子合同,在线高效签发合同、大幅压缩成本、快速完成旅行社与客户签约; HR行业-劳动电子合同,在线发起审批流,零仓储实现本地/异地人事电子合同管理。; 房地产行业-租赁电子合同,线上签署房屋租赁协议,节省时间,提高效率。; 教育行业-教育电子合同,培训机构与学员/老师等角色快速完成签约,保证双方权益; 其他行业-电子商务、医疗、金融、、物流供应链、事业单位等更多行业也在使用电子合同线上签约服务。

About

查农证

Features
Read full description

「查农证」专业的农药登记信息查询工具。 查农证专注于农药登记信息查询,为农业生产者、农资经营者、植保技术人员和农业服务机构提供便捷、高效的查询服务。 通过关键词搜索或语音查询,即可快速获取农药登记证相关信息。 1、主要功能 语音搜索:支持语音输入,提高查询效率。 农药登记证查询:支持登记证号、产品名称、有效成分等多种方式查询。 产品信息查询:查看产品名称、剂型、总含量、毒性等级、登记持有人等基础信息。 有效成分查询:查看产品有效成分及含量信息。 使用范围查询:查看登记作物、防治对象、使用剂量、施药方法 标签信息查询:快速查看农药标签信息。 收藏查询记录:收藏常用产品,方便随时查看。 2、适用人群: 包括:种植户;农资经营人员;农药销售人员;农业技术推广人员;植保服务组织;农业科研人员;农业院校师生 3、数据说明 本应用展示的农药登记信息来源于公开发布的农药登记数据,仅供参考。 实际使用时请以产品标签及相关主管部门最新公布信息为准。

Screenshots

法大大4 screens
查农证4 screens

Verdict

The call

The clearest difference is in-app purchases: 查农证 at none against 法大大's 5. 查农证 also leads on update cadence (fortnightly vs every 6 weeks). 法大大's advantage is iOS requirement (9.0 vs 15.6). On price, ads 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

Both are free to download. 法大大 sells 5 one-off in-app purchases. 查农证 asks for nothing beyond the download.

UpkeepUpdate frequency

法大大 ships an update every 6 weeks, 查农证 fortnightly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
法大大 versus 查农证: the parameters behind the verdict, then further details
Parameter法大大查农证
PriceFreeFree
Rating1.0 (2 ratings) — better—
Positive reviews22.7% of reviews—
Number of ratings2 — better—
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.6
Further details — not scored
Size27 MB3 MB
Age rating4+12+
Developer深圳法大大网络科技有限公司经 唐

In-app purchases

5 purchases

法大大

One-time5
  • 1份个人签署套餐$0.99
  • 5份个人签署套餐$5.99
  • 公证处《签署文件存证证明》$6.99
Show 2 more
  • 50份个人签署套餐$59.99
  • 100份个人签署套餐$99.99
None

查农证

No in-app purchases

Questions

Is 法大大 free?
法大大 is free to download, with in-app purchases available.
Is 查农证 free?
查农证 is free to download, with no in-app purchases.
Do 法大大 or 查农证 have ads?
Neither 法大大 nor 查农证 shows ads.
Which is updated more often, 法大大 or 查农证?
法大大 ships an update every 6 weeks, and 查农证 fortnightly. Most recently, 法大大 was updated on November 6, 2026 and 查农证 on October 31, 2026.

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