Curious Mobile vs MindSampler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Curious Mobile
This app facilitates secure data collection and content delivery for research studies and healthcare interventions. It supports groundbreaking research and educational programs, making scientific work more efficient.
- Secure data collection
- Content delivery
- Supports research studies
- Enables healthcare interventions
- Delivers educational programs
Read full descriptionHide full description
The Curious app, formerly known as MindLogger, enables data collection and content delivery while maintaining the highest standards of security. Whether supporting groundbreaking studies, enabling evidence-based interventions in healthcare, or delivering leading educational programs, Curious makes research work more effectively for everyone.
MindSampler
Participate in scientific research by answering short questions and experiments throughout your day. Contribute to understanding human thought, feelings, and behavior.
- Contribute to scientific understanding
- Receive daily experiment notifications
- Answer short questions
- Enter study codes
- Track daily life insights
Read full descriptionHide full description
Help scientists understand how people think, feel, and behave as they go about their daily lives. Enter your study code and start receiving notifications throughout the day with short experiments or questions to answer.
Screenshots
Verdict
The clearest difference is rating: Curious Mobile at 4.6 against MindSampler's 2.0. Curious Mobile also leads on update cadence (fortnightly vs every 2 months). On price, ratings volume, ads and in-app purchases 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.
Curious Mobile holds the better App Store score, 4.6 against 2.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively.
Curious Mobile ships an update fortnightly, MindSampler every 2 months. The most recent releases landed on August 28, 2026 and June 5, 2026 respectively.
| Parameter | Curious Mobile | MindSampler |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | 2.0 (4 ratings) |
| Number of ratings | 5 — better | 4 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 235 MB | 52 MB |
| Age rating | 12+ | 4+ |
| Developer | Child Mind Institute, Inc. | MindSampler Inc. |
Customer experience
Curious Mobile
MindSampler
In-app purchases
Curious Mobile
No in-app purchases
MindSampler
No in-app purchases
