See-O
Marc Picco Health & Fitness iPhoneiPadiPod touch
See-O is a free Health & Fitness app for iPhone and iPad by Marc Picco. Requires iOS 26.4. Updated June 4, 2026.
- Price
- Free
- on the App Store
- Size
- 1 MB
- Age 4+
- Updated
- Jun 4
- 2026 · v1.0
Screenshots
About See-O
See-O is a minimalist perceptual training tool designed to push your visual processing to its absolute threshold. • 6 procedural tasks (orientation, contrast, temporal) • Real-time Gabor patch stimuli • 3-down, 1-up adaptive staircase • Zero gamification or distractions • 100% on-device privacy Customize your grid density, starting contrast, and session length. If you understand the mechanics of visual processing, you know exactly what this is built for. Find your threshold.
App privacy
The developer, Marc Picco, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to See-O
Looking for apps like See-O? Here are 6 similar apps on the App Store. The highest rated is GaborVision - Gabor Patch (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| See-O | – | Free | June 4, 2026 | |
| GaborVision - Gabor Patch | 5.0 / 5 (1) | Free | Oct 15, 2026 | Compare |
| Gabor-Patch-Vision-Trainer | – | Free | Aug 20, 2026 | Compare |
| Visual recovery 3D training | 5.0 / 5 (1) | Free | Oct 13, 2026 | Compare |
| MasqFit | 5.0 / 5 (2) | Free | Sep 30, 2026 | Compare |
| Allos: Breath Pacer | 5.0 / 5 (4) | Free | Oct 10, 2026 | Compare |
| AstigmEyeExam | – | Free | May 31, 2024 | Compare |
Compare See-O with the top alternatives: ratings, updates, ASO score and keyword gaps →