# VISwijzer vs VoltStation

VISwijzer and VoltStation are too close to call on the numbers: across 6 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.

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, VoltStation every 3 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | VISwijzer | VoltStation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/viswijzer/id377191753/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 18 MB | 58 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Good Fish Foundation Stichting Goede Vis](https://appshunter.io/developer/1029472986) | [VoltStation B.V](https://appshunter.io/developer/1852947763) |

## What reviewers say

### VISwijzer

[App page](https://appshunter.io/ios/app/viswijzer/id377191753)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### VoltStation

[App page](https://appshunter.io/ios/app/voltstation/id6755288124)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is VISwijzer free?

VISwijzer is free to download, with no in-app purchases.

### Is VoltStation free?

VoltStation is free to download, with no in-app purchases.

### Do VISwijzer or VoltStation have ads?

Neither VISwijzer nor VoltStation shows ads.

### Which is updated more often, VISwijzer or VoltStation?

VISwijzer ships an update every 4 months, and VoltStation every 3 months. Most recently, VISwijzer was updated on October 13, 2026 and VoltStation on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*