# StampFX vs metaZac

The clearest difference is in-app purchases: metaZac at none against StampFX's 1. StampFX's advantage is update cadence (fortnightly vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StampFX sells 1 one-off in-app purchase. metaZac asks for nothing beyond the download.

StampFX ships an update fortnightly, metaZac every 8 months. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | StampFX | metaZac |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 8 months |
| Size | 12 MB | 12 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cyclic Software Development Inc.](https://appshunter.io/developer/1439399652) | [KinDev](https://appshunter.io/developer/1798366540) |

## What reviewers say

### StampFX

[App page](https://appshunter.io/ios/app/stampfx/id1583460487)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StampFX Pro | $1.99 | one-time |


### metaZac

[App page](https://appshunter.io/ios/app/metazac/id6742430994)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StampFX free?

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

### Is metaZac free?

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

### Do StampFX or metaZac have ads?

Neither StampFX nor metaZac shows ads.

### Which is updated more often, StampFX or metaZac?

StampFX ships an update fortnightly, and metaZac every 8 months. Most recently, StampFX was updated on September 10, 2026 and metaZac on September 15, 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.*