MASTERS EXPO vs Uon.Earth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MASTERS EXPO
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MASTERS EXPO is where Dutch business meets. This app brings together what happens there, all year round. MASTERS Stories The stories of the network: people, brands and ideas. New every day, ordered around what interests you. MASTERS Selected The addresses we choose ourselves. Twelve lists, put together by our editors, each address with the reason why. The city map shows you what is closest. EXPO The full programme of 10 to 14 December, the participating brands and the packages. Your pass Your membership and your tickets in one place. Coming soon MASTERS Connect puts you in touch with who you are looking for in the network. MASTERS Reserved is a private offering: restaurants, hotels, travel and experiences. For exhibitors Sign in with the email address of your participation. Your stand, your guests and your content are waiting. Signing in works with a code by email. No passwords. MASTERS EXPO 2026, RAI Amsterdam, 10 to 14 December.
Uon.Earth
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Ever dreamed of protecting your own piece of nature? Now you can. We are on a mission to collectively protect 50% of the planet by 2050. For the first time in history everybody can protect Earth. Meter x meter. Get a unique proof of protection of a geocoded unit of nature (uon), registered in your name. For every uon you collect, we bring a new m² of nature under protection. This is how we scale. Get the app. Collect uon. Protect Earth. • Collect and Protect, keep your uon in your wallet · Collect uon you received from others · Collect uon yourself • Visit your m², learn more about the work on the ground • Create your uon collectible, campaign for Earth and share with family & friends Nature protection organizations (NPOs) participate in the Union of Nature Foundation (UON). They protect, rewild, or restore nature areas together with local communities or Indigenous Peoples. UON is a not-for-profit foundation, and a member of the International Union for Conservation of Nature. Uon.Earth is a for-purpose company that facilitates UON with tools and services to campaign for Earth. Together. Your privacy is our policy: as little data as possible is stored, personal data is not monetized, and there is no advertising.
Screenshots
Verdict
The clearest difference is device support: Uon.Earth at 3 against MASTERS EXPO's 1. On price, update cadence, 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.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.
| Parameter | MASTERS EXPO | Uon.Earth |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.5 — better |
| Further details — not scored | ||
| Size | 60 MB | 89 MB |
| Age rating | 4+ | 4+ |
| Developer | MASTERS HQ B.V. | Uon.Earth B.V. |
In-app purchases
MASTERS EXPO
No in-app purchases
Uon.Earth
No in-app purchases









