SEMA3
Richard Sinnott Productivity iPhoneiPadiPod touch
SEMA3 is a free Productivity app for iPhone and iPad by Richard Sinnott. Rated 3.1/5 from 8 ratings. Requires iOS 15.1. Updated October 17, 2026.
- Rating
- 3.1
- 8 ratings
- Price
- Free
- on the App Store
- Size
- 38 MB
- Age 4+
- Updated
- Oct 17
- 2026 · v1.5.3
Screenshots
About SEMA3
SEMA (Smartphone Ecological Momentary Assessment) is a suite of software for designing and conducting smartphone-based survey research For more information, please visit https://sema3.com/
Ratings & reviews
3.1
8 ratings
What’s new
Version 1.5.3 · Updated October 17, 2026
Bugfixes for notifications
App privacy
The developer, Richard Sinnott, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Other Data: Other Data Types
Used for: App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| SEMA3 | 3.1 / 5 (8 ratings) | Free | October 17, 2026 | |
| myID - Australian Government | 1.7 / 5 (35) | Free | Sep 29, 2026 | Compare |
| Naze: Social Media Blocker | 4.8 / 5 (421) | Free | Oct 30, 2026 | Compare |
| Listening: Text to Speech | 4.5 / 5 (1,461) | Free | Oct 28, 2026 | Compare |
| Pocket Schedule Planner | 4.5 / 5 (8,266) | Free | Apr 16, 2026 | Compare |
| PaperCut Pocket - print better | 4.0 / 5 (1) | Free | Aug 3, 2026 | Compare |
| Smile App Launcher | 4.7 / 5 (359) | Free | Sep 14, 2026 | Compare |
Compare SEMA3 with the top alternatives: ratings, updates, ASO score and keyword gaps →