Upinion vs Plastic Avengers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Upinion
Share your opinions and earn rewards by answering questions from communities, brands, and businesses. Join groups, respond to surveys, and get discounts, free products, or prize draw entries for your valuable input.
- Earn rewards for opinions
- Answer questions on the go
- Join interest-based groups
- Receive discounts and prizes
- Share your views with brands
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Your opinion matters. That’s why when you join Upinion, you can earn rewards for sharing your views with the communities, brands and businesses that matter to you. It’s easy to become a Upinionator: using your phone’s internet connection you receive messages and questions, which you can answer quickly using our intuitive interface. Join Groups - use the code you’ve been sent via email or SMS. Answer Questions - respond to questions wherever you are and whenever you like. Earn Rewards - your opinion is valuable, which is why you may be offered discounts, free products or entry into prize draws for answering questions. Ask Questions - to ask questions you have to set up an account online. You can do this via www.upinion.com. If you have feedback or questions please email us at: info@upinion.com
Plastic Avengers
This app mobilizes users to combat plastic waste by organizing collection campaigns and documenting pollution. It facilitates petitions and advocacy for environmental protection, using camera and location data to create interactive maps for legislative change.
- Organize plastic collection campaigns
- Document plastic waste with photos
- Create petitions for environmental protection
- Advocate for new regulations
- View interactive maps of plastic locations
- Contribute to environmental data collection
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This applications main purpose is to help the environment and reduce plastic waste, this tool help us organising campaigns to collects and documents plastic waste, we can organise petitions and regulations gear towards environmental protection. Help us fight against pollution and environmental waste to protect the world where we live! This app needs access to your camera to upload pictures of plastic waste target in the current campaigns, it also uses you location when you upload the picture so we can gather the data of where the plastic is located, this help us organise interactive maps of the location of the plastic and show the governing parties of the region to create legislation changes and protect the environment.
Screenshots
Verdict
The clearest difference is rating: Plastic Avengers at 5.0 against Upinion's 2.0. On price, ratings volume, update cadence and ads 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.
Plastic Avengers holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Upinion ships an update every 3 months, Plastic Avengers every 6 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Upinion | Plastic Avengers |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 32 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Upinion Global BV | Stichting Plastic Free Sea |
Customer experience
Upinion
Plastic Avengers
In-app purchases
Upinion
No in-app purchases
Plastic Avengers
No in-app purchases
Questions
Is Upinion free?
Is Plastic Avengers free?
Which has better reviews, Upinion or Plastic Avengers?
Do Upinion or Plastic Avengers have ads?
Which is updated more often, Upinion or Plastic Avengers?
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