Hypothesis vs PineOx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hypothesis
This app presents a new question daily, allowing users to anonymously share their opinions. Users can track how their viewpoints evolve over time and compare their thoughts to the majority.
- Daily new questions
- Anonymous opinion sharing
- Track opinion changes
- Compare with masses
- Quick and easy to use
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Ask a question. See how differently people answer it. "Is a hotdog a sandwich?" 62% said yes. Among people under 25, only 38% did. That second line is what Hypothesis is for. HOW IT WORKS 1. Ask something. A yes/no question, a multiple choice, or a rating out of five. 2. Share it. Post it to the feed, send someone a link, or invite a specific group. 3. Everyone who answers sees the results. The results show the totals first. Open the breakdown underneath and you can see how the answers differed by age group, by gender, and by country. WHY THESE NUMBERS ARE WORTH READING Most online polls are easy to skew. These are harder. You answer once, and you cannot change it afterwards. There are no take-backs and no second votes, which is the whole reason the totals mean anything. Your individual answer is never shown to anyone. Not to the person who asked, not to other people answering, not anywhere in the app. Only grouped totals are ever published. A group only appears once at least 25 people are in it. If four people from one country answered, that country is not shown at all — not as a small number, not as zero, it simply is not there. You will sometimes see a breakdown with a row missing, and that is why. Your profile is optional, all of it. Skip it and your answers still count in every total. They just will not appear in any of the group breakdowns. ASKING A SMALLER GROUP Not every question belongs in public. PUBLIC — anyone can find it in the feed and answer it. LINK ONLY — it never appears in the feed. Only people you send the link to can answer, and they can pass it on. INVITE ONLY — only people who open your invite can answer. You can revoke the invite later, and remove people who already joined. YOU DO NOT NEED AN ACCOUNT TO ANSWER Browsing and answering need no sign-up at all. You only create an account when you want to publish a question of your own — so that people can see who asked it, and so we can act on reports. Ask something you have genuinely wondered about!
PineOx
Learn about your carbon footprint and plant real trees by completing educational lessons. Track your progress and see the collective impact of the community on a map. Become CO2 neutral and contribute to environmental sustainability.
- Calculate CO2 footprint
- Plant real trees
- Complete educational lessons
- Track carbon neutrality countdown
- Invite friends for seeds
- View Tree Impact Map
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Let us plant a tree or a whole forest for you. Help the environment. Become CO2 neutral today. For free. Core Mechanics Firstly you receive a digital seed. You need to water it. You water it by completing lessons. By completing 2 lessons you water your digital seed to a tree. And the PineOx team plants a real tree. The first lesson is the CO2 calculator. It calculates your annual CO2 footprint based on your habits and lifestyle. It allows the PineOx app to calculate for how long planting one tree will make you CO2 neutral. After planting your first tree the countdown starts. It shows you for how long you will remain carbon neutral. To remain CO2 neutral you need to continue completing lessons and plant trees. Inviting Friends, Gifting Trees & Tree Impact Map The first seed is free and is given to every user who joins PineOx. To open access to the following seed you need to watch some ads or invite a friend. You can invite any amount of friends. Every friend who joined via your invite code gives you an additional seed. Every user of PineOx has Tree Impact. Tree impact represents planted trees. It includes trees planted by you plus trees planted by friends you invited and subsequently by friends invited by your friends. Right after installation, you can make 2 gifts for your friends. You can make gifts only to users who haven’t yet been present on the platform. After claiming their gift they join your network and their planted trees influence your tree impact. Transparency & Actual Tree Planting Because many green initiatives aren’t transparent we made Tree Impact Map. Tree impact map allows you to see tree impact of every member of the community. Information about who invited who is seen by everyone. We at PineOx plant trees by ourselves. We do not pass it to some third-party organization. You can check the image and location of every tree planted by the PineOx Team. All the images and locations for planted trees are available in the Tree Impact Map section of the app
Screenshots
Verdict
Hypothesis and PineOx are too close to call on the numbers: across 7 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Hypothesis ships an update every 2 weeks, PineOx every 9 days. Both last shipped on October 24, 2026.
| Parameter | Hypothesis | PineOx |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (4 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | — | 4 — better |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 56 MB | 129 MB |
| Age rating | 4+ | 4+ |
| Developer | van squared | Aliaksei Karatkou |
Customer experience
Hypothesis
PineOx
In-app purchases
Hypothesis
No in-app purchases
PineOx
No in-app purchases









