# Z vs Stackwax

The clearest difference is in-app purchases: Z at none against Stackwax's 3. Stackwax's advantage is iOS requirement (15.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Stackwax sells 3 in-app purchases, starting at $4.99 per month. Z asks for nothing beyond the download.

## The numbers

| Metric | Z | Stackwax |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Freemium |
| Size | 1 MB | 18 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zane Kuchera](https://appshunter.io/developer/1872542932) | [Martin Allais](https://appshunter.io/developer/1895003438) |

## What reviewers say

### Z

[App page](https://appshunter.io/ios/app/z-metronome/id6758359344)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stackwax

[App page](https://appshunter.io/ios/app/stackwax/id6762770909)

Instantly identify music playing around you, detect its BPM and key, and add it to your digital library. Organize your music by key or BPM, plan DJ sets, and discover vinyl versions through integrated Discogs listings.

**Highlights:** Real-time track identification, BPM and key detection, Camelot code generation, Digital music library, DJ set planning, Discogs vinyl integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackwax Pro Monthly | $4.99 | per month |
| Stackwax Pro Annual | $34.99 | per year |
| Stackwax Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Z free?

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

### Is Stackwax free?

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

### Do Z or Stackwax have ads?

Neither Z nor Stackwax 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.*