# OBS vs K.ai

The clearest difference is update cadence: K.ai at daily against OBS's every 7 months. OBS's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OBS sells 4 in-app purchases, starting at $4.99 per 7 days and K.ai sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

OBS ships an update every 7 months, K.ai daily. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OBS | K.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (435 ratings)](https://appshunter.io/ios/app/obs-studio-camera/id6758282877/reviews)** | — |
| Number of ratings | **435** | — |
| Positive reviews | 10.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 53 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DREAMEE STUDIO COMPANY LIMITED](https://appshunter.io/developer/1869312159) | [Null Research LLC](https://appshunter.io/developer/1896603560) |

## What reviewers say

### OBS

[App page](https://appshunter.io/ios/app/obs-studio-camera/id6758282877)

Transform your iPhone or iPad into a high-quality webcam for OBS Studio. Connects instantly over your local network with no drivers or complex setup needed. Ideal for streamers, professionals, and presenters seeking stable video.

**Highlights:** Use iPhone/iPad as webcam for OBS, High quality, low latency video, Instant one-tap connection, Simple OBS integration, Works on macOS and Windows, No login or ads

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly camera access | $4.99 | per 7 days |
| Monthly camera access | $9.99 | per month |
| Yearly camera access | $14.99 | per year |
| Lifetime camera access | $17.99 | one-time |


### K.ai

[App page](https://appshunter.io/ios/app/kai-private-ai/id6789738119)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Credit Pack | $9.99 | one-time |
| Medium Credit Pack | $24.99 | one-time |
| Large Credit Pack | $49.99 | one-time |


## Frequently asked questions

### Is OBS free?

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

### Is K.ai free?

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

### Do OBS or K.ai have ads?

Neither OBS nor K.ai shows ads.

### Which is updated more often, OBS or K.ai?

OBS ships an update every 7 months, and K.ai daily. Most recently, OBS was updated on October 19, 2026 and K.ai on October 7, 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.*