# Challenger MK vs HULA App

The clearest difference is update cadence: HULA App at every 8 days against Challenger MK's every 2 months. Challenger MK's advantage is iOS requirement (13.4 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Challenger MK ships an update every 2 months, HULA App every 8 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Challenger MK | HULA App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 19 MB | 62 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Green IT](https://appshunter.io/developer/1500914276) | [Timon Popovski](https://appshunter.io/developer/6806662557) |

## What reviewers say

### Challenger MK

[App page](https://appshunter.io/ios/app/challenger-mk/id1500914277)

This free mobile app rewards you for walking or running. Earn points for every kilometer to get discount codes from local businesses. Join a community focused on positive societal change and track your activities using Apple Health.

**Highlights:** Earn rewards for walking/running, Redeem points for local business discounts, Participate in challenges, Join a positive community, Integrates with Apple Health

**In-app purchases:** none


### HULA App

[App page](https://appshunter.io/ios/app/hula-app/id6806662555)

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

**In-app purchases:** none


## Frequently asked questions

### Is Challenger MK free?

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

### Is HULA App free?

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

### Do Challenger MK or HULA App have ads?

Neither Challenger MK nor HULA App shows ads.

### Which is updated more often, Challenger MK or HULA App?

Challenger MK ships an update every 2 months, and HULA App every 8 days. Most recently, Challenger MK was updated on October 9, 2026 and HULA App on October 24, 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.*