MindProber vs EthOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MindProber
This app enables users to participate in research studies by collecting biometric and behavioral data synchronized with multimedia content. Users can accept invitations, view rewards, and provide feedback on content to help improve multimedia quality.
- Biometric data collection
- Behavioral data synchronization
- Multimedia content evaluation
- Response data to questionnaires
- Invitation to research studies
- Reward tracking
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MindProber app allows the collection of biometric and behavioral data synchronized with multimedia content, as well as response data to classic copy-testing questionnaires. Through these applications you can: - To be invited to ongoing studies - Accept new invitations and see associated rewards - Evaluate the content displayed in your Online Viewing Area and contribute to the creation of higher quality multimedia content
EthOS
Participate in research studies by completing tasks on your phone. Tasks may include taking photos, videos, answering surveys, and providing text feedback. Your insights help companies improve their products and services.
- Complete research tasks on your phone
- Record photos and videos
- Answer survey questions
- Provide open-ended text feedback
- Shape future products and services
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The world’s leading companies want to better understand how people interact with their brands, products, and services in everyday life. When you take part in an EthOS study, you’ll be asked to complete a set of tasks on your phone using the EthOS app. Most tasks involve taking photos or videos, but you may also be asked to answer a few questions, such as rating your experience, choosing from a list of options, or sharing your thoughts in your own words. Your feedback helps companies improve the products, services, and experiences they offer to people around the world. Please note that participation in research studies is by invitation only. You cannot sign up for studies directly through the app. To learn more about becoming a participant, please contact us through our website.
Screenshots
Verdict
The clearest difference is rating: MindProber at 5.0 against EthOS's 4.6. MindProber also leads on update cadence (monthly vs every 2 months) and iOS requirement (12.4 vs 14.0). EthOS's advantage is ratings volume (42 vs 1). On price, ads, in-app purchases and monetization model 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.
MindProber holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: EthOS has 42 ratings behind it against 1, so its average is the more settled of the two.
MindProber ships an update monthly, EthOS every 2 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.
| Parameter | MindProber | EthOS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.6 (42 ratings) |
| Positive reviews | — | 84.4% of reviews |
| Number of ratings | 1 | 42 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 — better | 14.0 |
| Further details — not scored | ||
| Size | 20 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Mindprober, Lda | Panel Consulting Group LLC |
Customer experience
MindProber
EthOS
In-app purchases
MindProber
No in-app purchases
EthOS
No in-app purchases









