Side by side
GazeSense vs Retra
Both stand on eye tracking software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial APILinuxWindows
GazeSense combines gaze and head tracking with a prototyping app and SDK. Check the stated accuracy limits and sensor requirement against your project; pricing starts at $199/mo with a 7-day trial.
Visit GazeSense Free plan Android
Retra combines GBA emulation, patching, library tools, and local save management in one Android app. Note the sideload distribution, unsupported DS files, and requirement to provide your own commercial game backups.
Visit RetraThe facts
| GazeSense | Retra | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Windows | Android |
| Lowest paid plan | 1-Month License: $199 a month | Not published |
| Plans published | 1 | None |
| Maker | Not published | Not published |
| Website | eyeware.tech | github.com |
| On eye tracking software | #13 of 27 | #9 of 27 |
GazeSense: what it does well
- Tracks screen gaze and gaze toward 3D objects
- Provides 6DoF head tracking and blink detection
- Offers automatic and 1-, 5- or 9-point calibration
- SDK supports C++ and Python APIs
What to know first
- No free plan is listed
- Accuracy can decline near screen edges
- SDK requires an RGB or IR sensor above 320p
Retra: what it does well
- Free Android app
- Imports GBA, ZIP, UPS, IPS, and BPS files
- Includes local saves, backups, timeline, and rewind
- Touch, keyboard, and gamepad controls
- ROMs and saves stay on the device
What to know first
- Does not support Nintendo DS .nds files
- Commercial ROMs are not included
- APK releases are sideload test builds, not Play Store releases
- Cloud synchronization is not release-ready
Alternatives to GazeSense Alternatives to Retra The whole list