Comparison

第四记 vs e科考

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

Head to head
About

第四记

This app is a field recording companion for outdoor workers, focusing on efficiency and data quality. It offers various map layers, easy point, line, and area recording, and essential field tools like distance measurement and a compass.

Highlights
  • Multiple map layers
  • Point, line, and area recording
  • Field measurement tools
  • Customizable field forms
  • Multi-device data synchronization
  • Track recording
  • Data import/export
Features
Read full description

第四记-户外记录是一款关注外业工作过程中数据产出效率与质量的移动应用,是户外人员的记录伙伴,现阶段我们为用户提供: 1.多种图层资源 支持天地图系列、高德系列常用地图,可自定义添加底图、图源,提供多种在线专题图源; 2.便捷打点记录 支持点、线、面记录,通过输入坐标值或地图选点方式快速定位目标点,开展表单记录或跳转导航应用前往目标位置; 3.实用外业工具 提供了地图界面距离、面积测算,高程、磁偏角查询,罗盘、水平仪、水印相机等常用工具,其中罗盘工具及高程、磁偏角查询支持填写表单时自动获取; 4.外业表单资源库 针对不同行业领域的工作需求,提供定制化表单库,同时支持创建自定义表单; 5.多人协作 团队协作,记录共享,及时准确的调控协作内容,协助团队成果汇总; 6.多设备数据同步 提供工程记录同步,标绘、轨迹、表单备份,便于数据存储管理,防止数据意外丢失; 7.轨迹记录 方便您在外业工作中随时记录出行轨迹; 8.标记绘制 提供点、线、面要素绘制及个性化样式设置,出行前可提前规划工作区域,对考察目标进行标记; 9.导入/导出关联 支持 kml、kmz、shp、gpx、dsj 文件的本地导入和直接打开,软件内所记录的工程数据,支持kmz、csv、照片关联导出及 dsj 压缩文件导出。

About

e科考

This app integrates GIS and computer science technologies to facilitate scientific expeditions in the Qinghai-Tibet Plateau. It divides the region into grids for targeted data collection, enhancing spatial information and expedition efficiency.

Highlights
  • Spatial data collection
  • Grid-based regional division
  • Optimized expedition workflow
  • Data integration and analysis
  • Scientific data sharing platform
Read full description

青藏高原号称“地球第三极”和“世界屋脊”,是地球系统一个独特的地理单元。幅员广袤、生态环境复杂的青藏高原为众多植物的生长发育提供了有利的条件。 国家青藏高原植物科学数据中心(National Plant Data Center of Qinghai-Tibeten Plateau)由中国科学院昆明植物研究所标本馆负责建设和维护。本中心存储、整合、分析、挖掘和发布青藏高原地区的植物资源、环境、生态和保护等科学数据,并逐步开发在线大数据分析、模型应用等功能,实现植物科学的数据、方法、模型与服务的广泛集成,逐步成为国内完备国际领先的青藏高原植物大数据共享平台。 本中心得到了第二次青藏高原综合科学考察研究(2019QZKK0502)、中国科学院战略性先导科技专项(A类) “泛第三极环境变化与绿色丝绸之路建设(XDA20050203)”、国家基金委重大项目“中国-喜马拉雅植物区系成分的复杂性及其形成机制(31590823)”、国家重点研发计划“西南高山峡谷地区生物多样性保护与恢复技术典型脆弱生态修复与保护研究(2017YFC0505200)”等的联合资助,体现了“丝路环境”与“广目”两个先导专项数据叠加集成;同时得到中国科学院信息化专项“科学大数据工程”(XXH13505)”课题“大数据驱动的第三极环境创新示范平台”的资助,同时得到了中国科学院昆明植物研究所、中国科学院东亚植物多样性与生物地理学重点实验室的支持。 “e科考APP”是GIS、计算机科学、地理空间数据库等技术同科考有机结合的产物。空间性是“e科考APP”的核心特点,它将青藏高原根据科考需求分为多个网格尺度,通过有目的性的科考任务不断完善网格调查数据,每一条记录数据都将作为一条空间信息数据与对应网格绑定,同一网格编号数据将不断地得到完善和更新。此外,高效便捷是“e科考APP”的主要特点,“e科考APP”利用计算机技术优化科考记录流程,从而使科考更加便捷和高效。

Screenshots

第四记4 screens
e科考4 screens

Verdict

The call

第四记 and e科考 are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for 第四记 against 5.0 for e科考. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

第四记 ships an update fortnightly, e科考 every 2 weeks. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

ScorecardNo meaningful differences
第四记 versus e科考: the parameters behind the verdict, then further details
Parameter第四记e科考
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyFortnightly — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size135 MB86 MB
Age rating4+4+
DeveloperGeoQuater Digital Earth (Beijing) Technology Co., Ltd.新元 蒯

Customer experience

第四记

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

e科考

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

第四记

No in-app purchases

None

e科考

No in-app purchases

Questions

Is 第四记 free?
第四记 is free to download, with no in-app purchases.
Is e科考 free?
e科考 is free to download, with no in-app purchases.
Which has better reviews, 第四记 or e科考?
第四记 and e科考 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do 第四记 or e科考 have ads?
Neither 第四记 nor e科考 shows ads.
Which is updated more often, 第四记 or e科考?
第四记 ships an update fortnightly, and e科考 every 2 weeks. Most recently, 第四记 was updated on September 24, 2026 and e科考 on September 18, 2026.

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