# OBS 4K vs HappyLens

The clearest difference is review sentiment: HappyLens at 100% against OBS 4K's 29%. HappyLens also leads on in-app purchases (none vs 3). OBS 4K's advantage is price (Free vs $1.99) and update cadence (weekly vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

OBS 4K is free to download; HappyLens costs $1.99 up front. OBS 4K sells 3 in-app purchases, starting at $5.99 per month. HappyLens asks for nothing beyond the download.

OBS 4K ships an update weekly, HappyLens every 2 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OBS 4K | HappyLens |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (24 ratings)](https://appshunter.io/ios/app/obs-4k/id6759115725/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 28.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 4 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Mac | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Huseyin Bagana](https://appshunter.io/developer/1537624907) | [常坤 赵](https://appshunter.io/developer/1738354161) |

## What reviewers say

### 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 |


### HappyLens

[App page](https://appshunter.io/ios/app/happylens/id6762107901)

This app helps you straighten and clean up photos of artwork, documents, and notes. It automatically detects edges, corrects perspective, and preserves original textures and colors. Processed images are saved locally without uploading to the cloud.

**Highlights:** Automatic edge detection, Manual corner adjustment, Perspective correction, Artwork texture preservation, Ink Wash mode, Document mode, Brightness and contrast fine-tuning

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

**In-app purchases:** none


## Frequently asked questions

### Is OBS 4K free?

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

### Is HappyLens free?

HappyLens costs $1.99, with no in-app purchases.

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

Neither OBS 4K nor HappyLens shows ads.

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

OBS 4K ships an update weekly, and HappyLens every 2 months. Most recently, OBS 4K was updated on October 28, 2026 and HappyLens on October 25, 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.*