# Koar vs StepZero

The clearest difference is iOS requirement: StepZero at 15.1 against Koar's 18. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Koar sells 3 in-app purchases, starting at $9.99 per month and StepZero sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Koar ships an update every 5 days, StepZero every 3 days. Both last shipped on November 13, 2026.

## The numbers

| Metric | Koar | StepZero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 150 MB | 35 MB |
| Requires iOS | 18 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aric Malka](https://appshunter.io/developer/1886770639) | [Emil Gruber](https://appshunter.io/developer/6784658107) |

## What reviewers say

### Koar

[App page](https://appshunter.io/ios/app/koar-strength-training/id6760911936)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $69.99 | per year |
| Lifetime Access | $179.00 | one-time |


### StepZero

[App page](https://appshunter.io/ios/app/stepzero/id6784658104)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StepZero Pro – Monthly | $8.99 | per month |
| StepZero Pro – Yearly | $49.99 | per year |


## Frequently asked questions

### Is Koar free?

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

### Is StepZero free?

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

### Do Koar or StepZero have ads?

Neither Koar nor StepZero shows ads.

### Which is updated more often, Koar or StepZero?

Koar ships an update every 5 days, and StepZero every 3 days. Most recently, Koar was updated on November 13, 2026 and StepZero on November 13, 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.*