SerafimPlay vs Cosmox Engine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SerafimPlay
Connect your input devices to your mobile phone for gaming. This utility app facilitates Bluetooth connections between your devices and phone, enhancing your mobile gaming experience.
- Bluetooth connection
- Connects input devices
- Mobile gaming utility
- Device and phone pairing
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Serafim Play is an utility for connecting input devices for mobile games. It features Bluetooth conncection between devices and phones. If you have any quetions, please leave a comment or email to us. sales@serafim-tech.com
Cosmox Engine
Customize your gaming controller with advanced features like rapid fire, button mapping, and macro programming. Adjust joystick sensitivity, vibration, and trigger travel for a more immersive gaming experience. The app offers a user-friendly interface and multi-language support.
- Rapid Fire/Mapping/Macro Functions
- Vibration/Joystick/Trigger Adjustment
- Personalized Gaming Needs
- Enhanced Immersion
- User-Friendly Interface
- Multi-Language Support
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The X-engine app is designed to assist players in better controlling and adjusting their gaming controllers, enhancing the actual gaming experience. This app supports the following features: 1、Rapid Fire/Mapping/Macro Functions: Customize the M1~M4 back buttons on the controller for rapid firing, button mapping, and macro programming, enabling quicker and more precise operations to meet your personalized gaming needs. 2、Vibration/Joystick/Trigger Adjustment: Quickly set parameters such as joystick sensitivity, vibration intensity, and trigger button travel for the controller. This allows players to better feel the game environment and characters, enhancing the overall sense of presence and immersion in the game. 3、User-Friendly Interface: The app features a clean and visually appealing UI, making it simple, intuitive, and easy to navigate. 4、Multi-Language Support: Added support for multiple languages, helping us provide more convenient, practical, and satisfactory services to global users.
Screenshots
Verdict
The clearest difference is rating: SerafimPlay at 2.7 against Cosmox Engine's 1.0. SerafimPlay also leads on ratings volume (10 vs 1). Cosmox Engine's advantage is iOS requirement (9.0 vs 13.0). 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.
SerafimPlay holds the better App Store score, 2.7 against 1.0. That said, the two scores are not equally well evidenced: SerafimPlay has 10 ratings behind it against 1, so its average is the more settled of the two.
SerafimPlay ships an update monthly, Cosmox Engine every 3 weeks. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.
| Parameter | SerafimPlay | Cosmox Engine |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (10 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 37.5% of reviews | — |
| Number of ratings | 10 — better | 1 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 85 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Serafim Technologies Inc. | Cosmox Technology(Shenzhen) Co.,Ltd. |
Customer experience
SerafimPlay
Cosmox Engine
In-app purchases
SerafimPlay
No in-app purchases
Cosmox Engine
No in-app purchases









