# SupplementStack vs LeibFit

The clearest difference is update cadence: SupplementStack at every 2 days against LeibFit's weekly. SupplementStack also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SupplementStack sells 4 in-app purchases, starting at $4.99 per month and LeibFit sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

SupplementStack ships an update every 2 days, LeibFit weekly. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SupplementStack | LeibFit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 4 MB | 27 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nevo Solutions Inc](https://appshunter.io/developer/1879331980) | [Sebastian Leib](https://appshunter.io/developer/6790414791) |

## What reviewers say

### 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 |


### LeibFit

[App page](https://appshunter.io/ios/app/leibfit-readiness-and-strength/id6790414789)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LeibFit Pro – Monat | $5.99 | per month |
| LeibFit Pro – Jahr | $39.99 | per year |


## Frequently asked questions

### Is SupplementStack free?

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

### Is LeibFit free?

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

### Do SupplementStack or LeibFit have ads?

Neither SupplementStack nor LeibFit shows ads.

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

SupplementStack ships an update every 2 days, and LeibFit weekly. Most recently, SupplementStack was updated on October 4, 2026 and LeibFit on October 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.*