# Playbios vs Stackwax

The clearest difference is update cadence: Stackwax at every 5 days against Playbios's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Playbios sells 2 in-app purchases, starting at $2.99 per month and Stackwax sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Playbios ships an update fortnightly, Stackwax every 5 days. The most recent releases landed on October 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Playbios | Stackwax |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 37 MB | 18 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nymbios](https://appshunter.io/developer/1824410410) | [Martin Allais](https://appshunter.io/developer/1895003438) |

## What reviewers say

### Playbios

[App page](https://appshunter.io/ios/app/playbios/id6748123330)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement Sonarmo | $2.99 | per month |
| Abonnement Playbios | $24.99 | per year |


### 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 Playbios free?

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

### Is Stackwax free?

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

### Do Playbios or Stackwax have ads?

Neither Playbios nor Stackwax shows ads.

### Which is updated more often, Playbios or Stackwax?

Playbios ships an update fortnightly, and Stackwax every 5 days. Most recently, Playbios was updated on October 28, 2026 and Stackwax on October 11, 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.*