Razer Cortex Mobile vs Remote Play Tester
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Razer Cortex Mobile
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.
- Curated game catalog
- Play installed games
- Controller customization
- Record and stream gameplay
- Xbox Cloud Gaming integration
- Controller firmware updates
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Razer Nexus is now renamed to Razer Cortex Mobile. Razer Cortex Mobile is compatible with the Razer Prio, Razer Kishi V3 series, Razer Kishi Ultra, and Razer Kishi V2 series. 【GAME CLIPS】 Play on PC with Razer Cortex to clip your greatest gaming moments into highlights. Game Clips on mobile quickly syncs those highlights to your phone so you can browse your full library and replay your best plays anytime, anywhere. Share your favorite clips to social platforms with just one tap. · PC gameplay highlights quickly synced to your phone—view them anytime, anywhere. · Browse and replay your full clip library anywhere. · Share to social platforms with one tap. 【DISCOVER THOUSANDS OF COMPATIBLE GAMES】 · Discover handpicked game recommendations across curated categories—find your next favorite game in seconds. · Optional video trailers make it easier to tell at a glance if a game looks fun, watch before you download. · Fully compatible with any game or service that supports controllers—just plug and play. 【CUSTOMIZE YOUR CONTROLLER】 · Remap buttons and triggers. · Adjust thumbstick dead zones and sensitivity. · Specify custom Chroma colors and animation patterns. · Update controller firmware for new features and improvements. 【XBOX CLOUD GAMING】 · Browse the complete catalog of Xbox Cloud games from within Cortex Mobile. · Includes information on how to play these games directly on your iPhone. · Xbox Game Pass Ultimate account required for most games. 【MORE FEATURES】 · Record and livestream your gameplay. · Customizable UI with Dynamic Color and Game Background modes.
Remote Play Tester
Test the accuracy and speed of your game controllers, including Xbox, PS, and MFi. Connect via Bluetooth to simulate controller functions and play mobile games with a new, enhanced experience. Enjoy a fun game designed to challenge your controller's responsiveness.
- Test controller accuracy and speed
- Test all buttons and sticks
- Connect via Bluetooth
- Controller simulators
- Play mobile games with controller
- Supports Xbox, PS, MFi controllers
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If you have a game controller like Xbox, PS or MFi controller, this app allows you to test its accuracy & speed. Using BLE to connect with your controller, you can check how your controller works demonstrated in our controller simulators. Additionally, a fun game is well designed to test your controller speed. Playing the mobile game using your controller is a cool idea, isn't it? Compatible: Xbox, PS and all MFi Controllers. Features: Test the response of controller with high accuracy Test all buttons and sticks Play mobile game and enjoy new experience using your remote play Different designs supports each controller Easily connect to controller using bluetooth Premium Subscritions: Weekly $1.99, Monthly $4.49 Premium In-app Purchase: Lifetime $9.99 Premium users can access to all app features without Ads and limitations. Links: Privacy Policy: https://sites.google.com/view/privacy-policy-five/trang-ch%E1%BB%A7 Terms of Service: https://sites.google.com/view/termsof-service-five/trang-ch%E1%BB%A7
Screenshots
Verdict
The clearest difference is in-app purchases: Razer Cortex Mobile at none against Remote Play Tester's 3. Razer Cortex Mobile also leads on ads (none vs shown). Remote Play Tester's advantage is iOS requirement (11.2 vs 17). On price, rating, review sentiment and ratings volume there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Remote Play Tester sells 3 in-app purchases, starting at $0.49 per 7 days. Razer Cortex Mobile asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for Razer Cortex Mobile against 4.5 for Remote Play Tester. Both are backed by a comparable volume of ratings — 3.5K and 1.3K respectively. Written reviews are what separate them: 35% of Razer Cortex Mobile's written reviews are positive against 31% of Remote Play Tester's.
Razer Cortex Mobile ships an update every 2 months, Remote Play Tester monthly. The most recent releases landed on November 14, 2026 and November 3, 2026 respectively.
| Parameter | Razer Cortex Mobile | Remote Play Tester |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (3.5K ratings) — better | 4.5 (1.3K ratings) |
| Positive reviews | 35.4% of reviews — better | 30.6% of reviews |
| Number of ratings | 3.5K — better | 1.3K |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17 | 11.2 — better |
| Further details — not scored | ||
| Size | 112 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Razer | Triet Bui |
Customer experience
Razer Cortex Mobile
Remote Play Tester
User reviews
Razer Cortex Mobile
From 3.5K App Store ratingsWhat we love
- 👍 Good quality and controls
- 🚀 Improved app features and polish
- 🚀 Ability to add games to launcher
- 👍 No subscription required for features
Room to improve
- 🐛 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
Remote Play Tester
From 1.3K App Store ratingsWhat we love
- 👍 Good controller testing tool
- 🤖 Interesting game feature
Room to improve
- 🐛 Frequent crashes and glitches
- 💸 Excessive ads and paywall
- 🤯 Confusing and lacking instructions
Bugs and requests
Razer Cortex Mobile
Reported bugs
4 issues- 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
5 requests- 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
Remote Play Tester
Reported bugs
2 issues- App freezes and becomes unusable after ads
- Controller testing feature doesn't work as expected
Requested features
2 requests- Remove subscription requirement
- Improve game instructions and tutorials
In-app purchases
Razer Cortex Mobile
No in-app purchases
Remote Play Tester
- Weekly Premium$0.497 Days
- Monthly Premium$1.491 Month
- Lifetime Premium$4.99
Questions
Is Razer Cortex Mobile free?
Is Remote Play Tester free?
Which has better reviews, Razer Cortex Mobile or Remote Play Tester?
Do Razer Cortex Mobile or Remote Play Tester have ads?
Which is updated more often, Razer Cortex Mobile or Remote Play Tester?
Other comparisons
