Comparison

EthOS vs Opinion Edge

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Complete research tasks on your phone
  • Record photos and videos
  • Answer survey questions
  • Provide open-ended text feedback
  • Shape future products and services
Features
Read full description

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.

About

Opinion Edge

Share your opinions through surveys to help global brands improve their products and services. Earn rewards redeemable at various platforms by joining the panel and completing fun surveys.

Highlights
  • Participate in surveys
  • Help brands refine products
  • Win exciting rewards
  • Redeem UniPoints
  • Join a panel
Features
Read full description

Opinion Edge is a free survey app that lets you share your opinions and participate in market research studies from global brands. Sign up in minutes, verify your email, and explore available surveys based on your profile and eligibility. Earn points for completed surveys and redeem them for a variety of gift cards such as Amazon, Starbucks, and more. Reward options and availability may vary by region. The app includes features like referrals, engagement-based rewards, and periodic bonus opportunities designed to enhance user participation. Opinion Edge is intended for users in supported regions including North America, Australia, Asia and Europe. Survey availability and rewards are not guaranteed and depend on user profile, demographics, and demand.

Screenshots

EthOS3 screens
Opinion Edge4 screens

Verdict

The call

The clearest difference is review sentiment: EthOS at 84% against Opinion Edge's 18%. EthOS also leads on rating (4.6 vs 2.3) and ratings volume (42 vs 10). Opinion Edge's advantage is update cadence (every 2 weeks vs every 2 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

EthOS holds the better App Store score, 4.6 against 2.3. Both are backed by a comparable volume of ratings — 42 and 10 respectively. Written reviews point the same way: 84% of EthOS's written reviews are positive against 18% of Opinion Edge's.

UpkeepUpdate frequency

EthOS ships an update every 2 months, Opinion Edge every 2 weeks. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
EthOS versus Opinion Edge: the parameters behind the verdict, then further details
ParameterEthOSOpinion Edge
PriceFreeFree
Rating4.6 (42 ratings) — better2.3 (10 ratings)
Positive reviews84.4% of reviews — better18.2% of reviews
Number of ratings42 — better10
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.6
Further details — not scored
Size45 MB36 MB
Age rating4+17+
DeveloperPanel Consulting Group LLCUnimrkt Response Inc

Customer experience

EthOS

All ratings42 ratings
Positive90.5%
Neutral2.4%
Negative7.1%
Written reviews32 reviews
Positive84.4%
Neutral0.0%
Negative15.6%

Opinion Edge

All ratings10 ratings
Positive30.0%
Neutral10.0%
Negative60.0%
Written reviews11 reviews
Positive18.2%
Neutral9.1%
Negative72.7%

In-app purchases

None

EthOS

No in-app purchases

None

Opinion Edge

No in-app purchases

Questions

Is EthOS free?
EthOS is free to download, with no in-app purchases.
Is Opinion Edge free?
Opinion Edge is free to download, with no in-app purchases.
Which has better reviews, EthOS or Opinion Edge?
EthOS is rated higher. EthOS averages 4.6 out of 5 from 42 ratings, while Opinion Edge averages 2.3 from 10 ratings.
Do EthOS or Opinion Edge have ads?
Neither EthOS nor Opinion Edge shows ads.
Which is updated more often, EthOS or Opinion Edge?
EthOS ships an update every 2 months, and Opinion Edge every 2 weeks. Most recently, EthOS was updated on November 3, 2026 and Opinion Edge on November 3, 2026.

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