# Challenger vs OBS 4K

The clearest difference is review sentiment: Challenger at 100% against OBS 4K's 29%. Challenger also leads on in-app purchases (none vs 3) and rating (5.0 vs 4.8). OBS 4K's advantage is update cadence (weekly vs every 2 months) and ratings volume (23 vs 6). On price, ads and device support there is nothing between them.

Both are free to download. OBS 4K sells 3 in-app purchases, starting at $5.99 per month. Challenger asks for nothing beyond the download.

Challenger holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 23 respectively. Written reviews point the same way: 100% of Challenger's written reviews are positive against 29% of OBS 4K's.

Challenger ships an update every 2 months, OBS 4K weekly. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Challenger | OBS 4K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/challenger-local-challenges/id1506143367/reviews)** | [4.8 (23 ratings)](https://appshunter.io/ios/app/obs-4k/id6759115725/reviews) |
| Number of ratings | 6 | **23** |
| Positive reviews | **100.0% of reviews** | 28.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [William Leaf](https://appshunter.io/developer/1546529033) | [Huseyin Bagana](https://appshunter.io/developer/1537624907) |

## What reviewers say

### Challenger

[App page](https://appshunter.io/ios/app/challenger-local-challenges/id1506143367)

Discover and create location-based video challenges. Explore challenges near you on a map and share your attempts by uploading videos. Contribute to a growing encyclopedia of local activities.

**Highlights:** Create location-based challenges, Upload challenge attempt videos, Browse challenges on a map, Discover local activities, Contribute to a challenge encyclopedia

**Features:** macOS Compatibility

**In-app purchases:** none


### OBS 4K

[App page](https://appshunter.io/ios/app/obs-4k/id6759115725)

Transform your iPhone into a professional 4K webcam for your Mac. Stream in high resolution with ultra-low latency and advanced controls. Ideal for video conferencing, live streaming, and content creation.

**Highlights:** 4K, 1080p, 720p streaming, Ultra-low latency, H.265 hardware encoding, Multiple lens support, Full zoom and exposure control, Custom stream profiles

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBS 4K Pro Monthly | $5.99 | per month |
| OBS 4K Pro Yearly | $79.99 | per year |
| OBS 4K Pro Lifetime | $103.99 | one-time |


## Frequently asked questions

### Is Challenger free?

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

### Is OBS 4K free?

OBS 4K is free to download, with in-app purchases available.

### Which has better reviews, Challenger or OBS 4K?

Challenger is rated higher. Challenger averages 5.0 out of 5 from 6 ratings, while OBS 4K averages 4.8 from 23 ratings.

### Do Challenger or OBS 4K have ads?

Neither Challenger nor OBS 4K shows ads.

### Which is updated more often, Challenger or OBS 4K?

Challenger ships an update every 2 months, and OBS 4K weekly. Most recently, Challenger was updated on October 20, 2026 and OBS 4K on October 22, 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.*