# GPSで面積 vs aKnow(エイノウ)

The clearest difference is update cadence: aKnow(エイノウ) at fortnightly against GPSで面積's monthly. aKnow(エイノウ) also leads on iOS requirement (11.0 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

GPSで面積 ships an update monthly, aKnow(エイノウ) fortnightly. The most recent releases landed on June 25, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | GPSで面積 | aKnow(エイノウ) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **55.6% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 13 MB | 24 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TERADA_SEISAKUSHO](https://appshunter.io/developer/669879897) | [AsuLab Inc.](https://appshunter.io/developer/1546487304) |

## What reviewers say

### GPSで面積

[App page](https://appshunter.io/ios/app/gps/id669879894)

This app calculates area and distance using GPS coordinates. Mark points on a map to define an area or path, and it will compute the measurements. Useful for land, buildings, routes, and more.

**Highlights:** Calculate area and distance using GPS, Mark points on a map, Supports various units for area and distance, Tracking mode for continuous measurement, Map view with different layers, Adjustable marker placement

**In-app purchases:** none


### aKnow(エイノウ)

[App page](https://appshunter.io/ios/app/aknow/id1546487302)

This app helps farmers meticulously record and manage their agricultural activities, including crop planting, pesticide usage, and inventory. It supports JGAP standards and offers features for cost calculation, sales management, and field mapping.

**Highlights:** JGAP compliant farm record keeping, Pesticide usage tracking and calculation, Crop and pest identification support, Field mapping and management, Agricultural diary with photo uploads, Cost and inventory calculation, Sales and income management charts

**In-app purchases:** none


## Frequently asked questions

### Is GPSで面積 free?

GPSで面積 is free to download, with no in-app purchases.

### Is aKnow(エイノウ) free?

aKnow(エイノウ) is free to download, with no in-app purchases.

### Do GPSで面積 or aKnow(エイノウ) have ads?

Neither GPSで面積 nor aKnow(エイノウ) shows ads.

### Which is updated more often, GPSで面積 or aKnow(エイノウ)?

GPSで面積 ships an update monthly, and aKnow(エイノウ) fortnightly. Most recently, GPSで面積 was updated on June 25, 2026 and aKnow(エイノウ) on June 10, 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.*