# 平面直角座標 vs Aisea PRO

The clearest difference is update cadence: Aisea PRO at every 6 weeks against 平面直角座標's every 14 months. 平面直角座標's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

平面直角座標 ships an update every 14 months, Aisea PRO every 6 weeks. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 平面直角座標 | Aisea PRO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Size | 4 MB | 86 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [keiji matsumoto](https://appshunter.io/developer/354143756) | [Aidea Inc.](https://appshunter.io/developer/1454632788) |

## What reviewers say

### 平面直角座標

[App page](https://appshunter.io/ios/app/id853019561)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Aisea PRO

[App page](https://appshunter.io/ios/app/aisea-pro/id1478084718)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 平面直角座標 free?

平面直角座標 is free to download, with no in-app purchases.

### Is Aisea PRO free?

Aisea PRO is free to download, with no in-app purchases.

### Do 平面直角座標 or Aisea PRO have ads?

Neither 平面直角座標 nor Aisea PRO shows ads.

### Which is updated more often, 平面直角座標 or Aisea PRO?

平面直角座標 ships an update every 14 months, and Aisea PRO every 6 weeks. Most recently, 平面直角座標 was updated on October 15, 2026 and Aisea PRO on October 7, 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.*