# GridLinx vs Perfect Echo

The clearest difference is in-app purchases: Perfect Echo at none against GridLinx's 6. GridLinx's advantage is update cadence (every 16 months vs every 35 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GridLinx sells 6 one-off in-app purchases. Perfect Echo asks for nothing beyond the download.

GridLinx ships an update every 16 months, Perfect Echo every 35 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | GridLinx | Perfect Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 16 months** | Every 35 months |
| Size | 159 MB | 41 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Player1games Inc.](https://appshunter.io/developer/1040547964) | [Marco Andreotti](https://appshunter.io/developer/1514019597) |

## What reviewers say

### GridLinx

[App page](https://appshunter.io/ios/app/gridlinx/id1458926332)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gridlinx Skins | $0.99 | one-time |
| Buy 10 time tokens | $0.99 | one-time |
| Buy 30 tokens special price | $0.99 | one-time |
| Gridlinx - No more ads special | $0.99 | one-time |
| No More Ads | $1.99 | one-time |
| Buy 30 time tokens | $1.99 | one-time |


### Perfect Echo

[App page](https://appshunter.io/ios/app/perfect-echo/id1544980146)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GridLinx free?

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

### Is Perfect Echo free?

Perfect Echo is free to download, with no in-app purchases.

### Do GridLinx or Perfect Echo have ads?

Both GridLinx and Perfect Echo show ads.

### Which is updated more often, GridLinx or Perfect Echo?

GridLinx ships an update every 16 months, and Perfect Echo every 35 months. Most recently, GridLinx was updated on October 12, 2026 and Perfect Echo on October 14, 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.*