# Koar vs WorkoutStack

The clearest difference is iOS requirement: Koar at 18 against WorkoutStack's 26.2. 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 WorkoutStack sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Koar ships an update every 5 days, WorkoutStack weekly. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Koar | WorkoutStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 150 MB | 29 MB |
| Requires iOS | **18** | 26.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aric Malka](https://appshunter.io/developer/1886770639) | [Neurondigital Ltd](https://appshunter.io/developer/1501534441) |

## 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 |


### WorkoutStack

[App page](https://appshunter.io/ios/app/workoutstack-workout-tracker/id6772119478)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorkoutStack Monthly Plan | $4.99 | per month |
| WorkoutStack Yearly Plan | $24.99 | per year |
| WorkoutStack Tracker Lifetime Plan | $59.99 | one-time |


## Frequently asked questions

### Is Koar free?

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

### Is WorkoutStack free?

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

### Do Koar or WorkoutStack have ads?

Neither Koar nor WorkoutStack shows ads.

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

Koar ships an update every 5 days, and WorkoutStack weekly. Most recently, Koar was updated on October 5, 2026 and WorkoutStack on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*