rVAS
Major updates to rVAS are listed below.
Version 1.1.0
September 11, 2026
iPhone support
rVAS can now be used on iPhone.
- Standard-mode VAS measurement is available on iPhones that can display the full 100 mm VAS scale
- VAS measurement on iPhone is performed in landscape orientation
- Projects can be created and edited on iPhone
- Double-mode settings can be edited on iPhone
- Experiments containing double-mode items still require an iPad
Transfer project designs between devices
Project designs can now be transferred between devices using .rvas files.
Response data, entered participant information, device-specific calibration values, and the media files themselves are not included in .rvas files.
Projects and experiment data are not automatically synced between devices.
Improved iPhone and iPad usability
- Improved layout behavior when the keyboard is displayed
- Improved portrait and landscape layouts on iPhone
- Improved orientation handling when starting VAS measurement on iPhone
- Updated Help and FAQ content for iPhone support
Version 1.0
Initial release
- Calibrated 10 cm VAS scale
- Paper-like line-drawing response method
- Multiple conditions and VAS items
- Repeated measurements
- Custom presentation-order patterns
- Randomized presentation-order generation
- Automatic VAS value calculation
- XLSX data export
- Offline operation
- Research data stored locally on the device
- No ads or external tracking