# 第四记 vs e科考

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | 第四记 | e科考 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1571845119/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/e/id6446301286/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 135 MB | 86 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GeoQuater Digital Earth (Beijing) Technology Co., Ltd.](https://appshunter.io/developer/1571845121) | [新元 蒯](https://appshunter.io/developer/1677082709) |

## What reviewers say

### 第四记

[App page](https://appshunter.io/ios/app/id1571845119)

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:** macOS Compatibility

**In-app purchases:** none


### e科考

[App page](https://appshunter.io/ios/app/e/id6446301286)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*