# GridFix vs 構圖教練

The clearest difference is in-app purchases: 構圖教練 at none against GridFix's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GridFix sells 3 in-app purchases, starting at $2.99 per month. 構圖教練 asks for nothing beyond the download.

## The numbers

| Metric | GridFix | 構圖教練 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 5 MB | 48 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PEI-CHUN CHAO](https://appshunter.io/developer/6792030550) | [Yu-Hui Chen](https://appshunter.io/developer/364246330) |

## What reviewers say

### GridFix

[App page](https://appshunter.io/ios/app/gridfix-perspective-fix/id6792030548)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GridFix 訂閱（月繳） | $2.99 | per month |
| GridFix 訂閱（年繳） | $14.99 | per year |
| GridFix 終身買斷 | $39.99 | one-time |


### 構圖教練

[App page](https://appshunter.io/ios/app/id6795234244)

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

**In-app purchases:** none


## Frequently asked questions

### Is GridFix free?

GridFix is free to download, with in-app purchases available.

### Is 構圖教練 free?

構圖教練 is free to download, with no in-app purchases.

### Do GridFix or 構圖教練 have ads?

Neither GridFix nor 構圖教練 shows ads.

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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.*