PsyPad vs Skyle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PsyPad
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PsyPad is an open source platform for facilitating visual psychophysics experiments on an iPad. Using customisable staircases or MOCS, the researcher can control presentation of any stimuli that can be precomputed as PNG image files, including movies. Features include participant accounts, up to 4 response buttons, comprehensive log files, and remote test configuration using the PsyPad server. A demo mode with access to a public gallery of tests also makes PsyPad useful for teaching. The project is open source, with repositories for the application code and example server code. https://github.com/davidlawson/PsyPad https://github.com/davidlawson/PsyPad-Server
Skyle
This utility app provides video streaming and guided indicators for precise eyetracker positioning. It offers multiple calibration points with quality feedback and allows users to record samples to enhance eye-tracking accuracy. Users can also configure switch gestures and actions for customized control.
- Video stream with guided indicators
- 5 and 9 point calibration
- Calibration quality indicators
- Manual feedback form
- Eyetracker firmware updates
- Sample recording for eye-tracking improvement
- Switch configuration with gestures
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Currently these are: - Video stream and guided indicators for positioning - 5 and 9 point calibration with quality indicators - Give us manual feedback via the form in Settings > About - Update the eyetracker - Record a sample to improve eye-tracking - Configure switch with different gestures and actions
Verdict
The clearest difference is update cadence: Skyle at every 3 weeks against PsyPad's every 4 months. On price, ads, in-app purchases and device support 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.
PsyPad ships an update every 4 months, Skyle every 3 weeks. The most recent releases landed on September 30, 2026 and October 13, 2026 respectively.
| Parameter | PsyPad | Skyle |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPad |
| Requires iOS | 13.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrew Turpin | eyeV GmbH |
In-app purchases
PsyPad
No in-app purchases
Skyle
No in-app purchases
