# GridFix vs Perspective Lab

GridFix and Perspective Lab are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. GridFix sells 3 in-app purchases, starting at $2.99 per month and Perspective Lab sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

GridFix ships an update every 4 days, Perspective Lab weekly. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | GridFix | Perspective Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Size | 5 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PEI-CHUN CHAO](https://appshunter.io/developer/6792030550) | [TAKESHI TOMIOKA](https://appshunter.io/developer/6803475314) |

## 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 |


### Perspective Lab

[App page](https://appshunter.io/ios/app/perspective-lab/id6803475311)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day Free Trial | Free | one-time |
| Pro Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is GridFix free?

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

### Is Perspective Lab free?

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

### Do GridFix or Perspective Lab have ads?

Neither GridFix nor Perspective Lab shows ads.

### Which is updated more often, GridFix or Perspective Lab?

GridFix ships an update every 4 days, and Perspective Lab weekly. Most recently, GridFix was updated on October 10, 2026 and Perspective Lab on October 18, 2026.

---

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