# Kixx vs SupplementStack

The clearest difference is in-app purchases: Kixx at none against SupplementStack's 4. SupplementStack's advantage is update cadence (every 2 days vs every 10 days) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. SupplementStack sells 4 in-app purchases, starting at $4.99 per month. Kixx asks for nothing beyond the download.

Kixx ships an update every 10 days, SupplementStack every 2 days. The most recent releases landed on October 28, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Kixx | SupplementStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/kixx/id6767332247/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 136 MB | 4 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Synapse Social LLC](https://appshunter.io/developer/1769426157) | [Nevo Solutions Inc](https://appshunter.io/developer/1879331980) |

## What reviewers say

### Kixx

[App page](https://appshunter.io/ios/app/kixx/id6767332247)

Turn your daily walks into a social competition. Track steps, climb leagues, and collect unique in-game items. Challenge friends to races and customize your experience with optional features.

**Highlights:** Step tracking via Apple Health, Weekly competitive leagues, Collectibles: Walkers and taunts, Friend challenges and duels, Optional GPS walk recording, Privacy controls and data management

**In-app purchases:** none


### SupplementStack

[App page](https://appshunter.io/ios/app/supplementstack/id6783505437)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SupplementStack Plus | $4.99 | per month |
| SupplementStack Pro | $9.99 | per month |
| SupplementStack Plus Annual | $39.00 | per year |
| SupplementStack Pro Annual | $79.00 | per year |


## Frequently asked questions

### Is Kixx free?

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

### Is SupplementStack free?

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

### Do Kixx or SupplementStack have ads?

Neither Kixx nor SupplementStack shows ads.

### Which is updated more often, Kixx or SupplementStack?

Kixx ships an update every 10 days, and SupplementStack every 2 days. Most recently, Kixx was updated on October 28, 2026 and SupplementStack on October 21, 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.*