VISwijzer vs Observation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VISwijzer
This app helps you make sustainable seafood choices by rating fish, shellfish, and crustaceans sold in the Netherlands. It uses a color-coded system (Blue, Green, Yellow, Red) to indicate sustainability levels, guiding you towards responsible purchasing decisions.
- Sustainability ratings for seafood
- Color-coded guide (Blue, Green, Yellow, Red)
- Searchable database of fish and shellfish
- Information on fishing and aquaculture practices
- Supports informed purchasing decisions
- Initiative by environmental organizations
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De VISwijzer beoordeelt vissen, schaal- en schelpdieren, die in Nederland te koop zijn op duurzaamheid. Vissen kunnen vier verschillende kleuren krijgen: Blauw - Keurmerk Kies het MSC keurmerk voor duurzame visserij en het ASC keurmerk voor verantwoorde kweek. Groen- Goede keus Deze vis is niet overbevist of wordt zorgvuldig gekweekt, met minimale schade aan de natuur. Geel - Tweede keus Er zijn nog problemen met de visserij of kweek. Rood - Vermijden Koop deze vis niet, ze wordt overbevist of de manier van vangst of kweek is te belastend voor de natuur. Met de VISwijzer kun je gemakkelijk zoeken welke vis verantwoord is en welke niet. Wel zo handig als je vis koopt in de supermarkt of een lekker gerecht uitzoekt in een restaurant! De VISwijzer is een initiatief van Good Fish Foundation, Stichting De Noordzee (SDN) en het Wereld Natuur Fonds (WNF). Kijk voor meer informatie op www.goedevis.nl, www.goodfish.guide, www.wnf.nl en www.noordzee.nl.
Observation
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With Observation you can easily record nature observations in the field. Our online image recognition AI helps you identify the species on your images. You can choose to use the app offline anywhere in the world. Your observation data is stored on your phone first. Saved observations can be uploaded to Observation.org when online. This app is part of Observation.org; an EU-based platform for world wide biodiversity monitoring and citizen science. Observations that you save in your account are publicly visible for everyone who visits Observation.org. Take a look at the website to see what other observers have recorded and explore all data collected by our community. Observations are validated by species experts, after which the records are made available for scientific research.
Screenshots
Verdict
The clearest difference is update cadence: Observation at every 2 weeks against VISwijzer's every 4 months. On price, ads, in-app purchases and device support 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.
VISwijzer ships an update every 4 months, Observation every 2 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.
| Parameter | VISwijzer | Observation |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 18 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Good Fish Foundation Stichting Goede Vis | Stichting Observation International |
In-app purchases
VISwijzer
No in-app purchases
Observation
No in-app purchases
