# iStackz vs Alchemy

The clearest difference is in-app purchases: Alchemy at none against iStackz's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. iStackz sells 1 in-app purchase, starting at $1.99 per month. Alchemy asks for nothing beyond the download.

iStackz ships an update every 4 weeks, Alchemy every 6 weeks. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | iStackz | Alchemy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Size | 3 MB | 9 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christoph Luedi](https://appshunter.io/developer/918595512) | [Rajaphan Padithaporn](https://appshunter.io/developer/1529062364) |

## What reviewers say

### iStackz

[App page](https://appshunter.io/ios/app/istackz/id918620482)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full functionality - monthly | $1.99 | per month |


### Alchemy

[App page](https://appshunter.io/ios/app/alchemy-lite/id6762423138)

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

**In-app purchases:** none


## Frequently asked questions

### Is iStackz free?

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

### Is Alchemy free?

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

### Do iStackz or Alchemy have ads?

Neither iStackz nor Alchemy shows ads.

### Which is updated more often, iStackz or Alchemy?

iStackz ships an update every 4 weeks, and Alchemy every 6 weeks. Most recently, iStackz was updated on October 19, 2026 and Alchemy on October 18, 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.*