# Razer Cortex Mobile vs TslaScreen

The clearest difference is in-app purchases: Razer Cortex Mobile at none against TslaScreen's 1. Razer Cortex Mobile also leads on ratings volume (3.5K vs 1). TslaScreen's advantage is update cadence (weekly vs every 2 months) and rating (5.0 vs 4.6). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. TslaScreen sells 1 one-off in-app purchase. Razer Cortex Mobile asks for nothing beyond the download.

TslaScreen holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Razer Cortex Mobile has 3.5K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 35% of Razer Cortex Mobile's written reviews are positive against 40% of TslaScreen's.

Razer Cortex Mobile ships an update every 2 months, TslaScreen weekly. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Razer Cortex Mobile | TslaScreen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (3.5K ratings)](https://appshunter.io/ios/app/razer-cortex-mobile/id1565916457/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tslascreen/id6756554667/reviews)** |
| Number of ratings | **3.5K** | 1 |
| Positive reviews | 35.1% of reviews | **40.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 164 MB | 13 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Razer](https://appshunter.io/developer/860552677) | [Bryan Moore](https://appshunter.io/developer/568290784) |

## What reviewers say

### Razer Cortex Mobile

[App page](https://appshunter.io/ios/app/razer-cortex-mobile/id1565916457)

Enhance your mobile gaming with a console-like experience. Discover curated games, play your installed titles, customize your controller, and stream your gameplay. This app is the perfect companion for compatible Razer Kishi controllers.

**Highlights:** Curated game catalog, Play installed games, Controller customization, Record and stream gameplay, Xbox Cloud Gaming integration, Controller firmware updates

**Features:** Game Controller support

**In-app purchases:** none

**What reviewers like**

- 👍 Good quality and controls
- 🚀 Improved app features and polish
- 🚀 Ability to add games to launcher
- 👍 No subscription required for features

**What reviewers complain about**

- 🐛 Unable to add games or emulators to the app
- 🐛 Compatibility issues with newer devices (iPhone 15)
- 🐛 Crashes and bugs with the app
- 🐛 Lack of support for virtual controller on iOS
- 🐛 Inability to remap all buttons

**Reported bugs**

- App crashes on launch
- Unable to detect or update controller firmware
- Incompatibility with newer iOS versions and devices
- Inability to add games or emulators to the app

**Requested features**

- Add more games and game genres
- Integrate with cloud gaming and streaming services
- Improve game library management and organization
- Add support for virtual controller on iOS
- Improve button remapping and customization options


### TslaScreen

[App page](https://appshunter.io/ios/app/tslascreen/id6756554667)

Mirror your iPhone screen to a compatible vehicle display wirelessly. Enjoy smooth, high-resolution streaming for navigation, entertainment, and more, all processed locally for enhanced privacy. Setup is quick and requires no extra hardware.

**Highlights:** Smooth 60 FPS streaming, Full resolution output, Audio streaming to vehicle, One-tap setup, No hardware required, 100% local streaming, Privacy-focused

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TslaScreen Pro | $9.99 | one-time |


## Frequently asked questions

### Is Razer Cortex Mobile free?

Razer Cortex Mobile is free to download, with no in-app purchases.

### Is TslaScreen free?

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

### Which has better reviews, Razer Cortex Mobile or TslaScreen?

TslaScreen is rated higher. Razer Cortex Mobile averages 4.6 out of 5 from 3.5K ratings, while TslaScreen averages 5.0 from 1 ratings.

### Do Razer Cortex Mobile or TslaScreen have ads?

Neither Razer Cortex Mobile nor TslaScreen shows ads.

### Which is updated more often, Razer Cortex Mobile or TslaScreen?

Razer Cortex Mobile ships an update every 2 months, and TslaScreen weekly. Most recently, Razer Cortex Mobile was updated on October 17, 2026 and TslaScreen on October 11, 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.*