Razer Cortex Mobile vs JusTheme
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.
JusTheme
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Download your favorite photos. Get wallpapers optimized for your own device. Find out where the photo was taken. Add them to your travel itinerary for a different experience. Stay tuned for my journey. Photos will be updated irregularly but continuously.
Screenshots
Verdict
The clearest difference is iOS requirement: JusTheme at 14.0 against Razer Cortex Mobile's 17. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.
| Parameter | Razer Cortex Mobile | JusTheme |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (3.5K ratings) — better | — |
| Positive reviews | 35.1% of reviews | — |
| Number of ratings | 3.5K — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17 | 14.0 — better |
| Further details — not scored | ||
| Size | 164 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Razer | Minkyu CHA |
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
JusTheme
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Razer Cortex Mobile
No in-app purchases
JusTheme
No in-app purchases
Questions
Is Razer Cortex Mobile free?
Is JusTheme free?
Do Razer Cortex Mobile or JusTheme have ads?
Which is updated more often, Razer Cortex Mobile or JusTheme?
Other comparisons
