CHEMION vs Qudi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CHEMION
Create personalized LED animations and text displays for various events. React to music with a live audio visualizer or design your own unique patterns and animations to express yourself.
- Personalized text and animations
- Real-time animations
- Live audio visualization (equalizer)
- Customizable drawing function
- Save and edit LED animations
- Premade emotion samples
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CHEMISTRY + ON = CHEMION Express yourself through CHEMION 4 Ways to enjoy CHEMION • Cheer your team! o Cheer in the darkness with a personalized text • Enjoy your music! o An equalizer that reacts to music around you • Be creative! o Make your own patterns with the drawing function • Make your own animations! o Express yourself with personalized animations Function: -Real-time animations -Live Audio Visualization (Equalizer) function -LED animations can be saved -LED animations can be edited -A variety of premade Emotion samples
Qudi
This app controls an LED mask that displays emotions, reacts to movement, and syncs with speech. It allows for quick selection of over 20 animations, including an equalizer mode, and lets you customize mask settings like brightness and sensitivity.
- Emotional mode
- Equalizer mode
- Robot mode (mouth syncs to speech)
- Head movement reactions
- 20+ custom animations
- Brightness and sensitivity adjustment
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World's first emotional & party mask! In the Robot mode mask opens mouth to your speech, shows various emotions, reacts to your head movements. Also, the mask includes 20+ crazy animations and Equalizer mode! With the help of this app you can select desired animation more quickly and adjust Qudi Mask for yourself! Key Features: - Emotional mode - Equalizer mode - Demo mode - Specific animation selection - Adjusting mask's brightness, sensitivity, name
Screenshots
Verdict
The clearest difference is rating: Qudi at 4.8 against CHEMION's 2.8. Qudi also leads on review sentiment (67% vs 25%). On price, ratings volume, update cadence and ads 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.
Qudi holds the better App Store score, 4.8 against 2.8. Both are backed by a comparable volume of ratings — 156 and 81 respectively. Written reviews point the same way: 25% of CHEMION's written reviews are positive against 67% of Qudi's.
CHEMION ships an update monthly, Qudi fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | CHEMION | Qudi |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (156 ratings) | 4.8 (81 ratings) — better |
| Positive reviews | 25.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 156 — better | 81 |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 49 MB | 76 MB |
| Age rating | 4+ | 12+ |
| Developer | Neofect USA, Inc. | Alexander Rudoi |
Customer experience
CHEMION
Qudi
Bugs and requests
CHEMION
Reported bugs
14 issues- App stuck on startup/loading screen
- Facebook login fails or loads indefinitely
- Explorer section crashes or infinite loading
- Equalizer feature crashes entire app
- Search function non-functional
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- Glasses not detected by app despite proper setup
- App crashes when selecting animations or presets
- Copy/clone animation feature broken
- Japanese text input not working
- Shared content download not functioning
- App crashes when changing eyes/animations
- Connection error messages (e.g., 'disconnected-7')
- Version update incompatibility issues
- iOS compatibility issues with certain versions
Requested features
11 requests- Increase animation speed/FPS beyond current limits
- Restore DJ mode for switching between faces
- Allow offline design editing without connected glasses
- Add shuffle option in Explorer
- Restore text scrolling speed customization
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- Support for non-Facebook login methods
- Reorder/organize custom animation sets
- More font options for text
- Better UI for frame creation workflow
- Improved equalizer/voice sync functionality
- macOS/MacBook support
Qudi
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CHEMION
No in-app purchases
Qudi
No in-app purchases
