# Traffic Blinker vs WWF Nautical Chart

The clearest difference is price: WWF Nautical Chart at Free against Traffic Blinker's $1.99. WWF Nautical Chart also leads on iOS requirement (14.0 vs 18.0). Traffic Blinker's advantage is update cadence (every 2 months vs every 6 months). On ads, in-app purchases and device support there is nothing between them.

WWF Nautical Chart is free to download; Traffic Blinker costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Traffic Blinker ships an update every 2 months, WWF Nautical Chart every 6 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Traffic Blinker | WWF Nautical Chart |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/traffic-blinker-bicycle-tool/id1073990483/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Paid | **Free** |
| Size | 2 MB | 263 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Van Damme](https://appshunter.io/developer/1043724055) | [WWF Deutschland](https://appshunter.io/developer/579576854) |

## What reviewers say

### Traffic Blinker

[App page](https://appshunter.io/ios/app/traffic-blinker-bicycle-tool/id1073990483)

Enhance your visibility and safety while cycling or using personal mobility devices. This app uses your Apple Watch to display a prominent, blinking warning sign when you're about to turn, alerting other road users to your intentions. It also tracks your fitness data and syncs with Apple Health.

**Highlights:** Visual turn warnings for cyclists, Customizable blinker color and speed, Sound and vibration alerts, Fitness tracking for cycling, Syncs with Apple Health, Multiple display options (arrow, stop sign)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### WWF Nautical Chart

[App page](https://appshunter.io/ios/app/wwf-nautical-chart/id1536633469)

This app helps users navigate Wismar Bay and the Bay of Greifswald, highlighting sensitive areas and boating rules within Natura 2000 zones. It provides information on protected areas, fishing regulations, and bird species to promote harmonious coexistence between people and nature.

**Highlights:** Pinpoint location in Wismar Bay and Greifswald Bay, Shows sensitive areas and boating rules, Identifies protected Natura 2000 areas, Provides information on nature and regulations, Includes fishing and bird information, Routing function with waypoints

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Traffic Blinker free?

Traffic Blinker costs $1.99, with no in-app purchases.

### Is WWF Nautical Chart free?

WWF Nautical Chart is free to download, with no in-app purchases.

### Do Traffic Blinker or WWF Nautical Chart have ads?

Neither Traffic Blinker nor WWF Nautical Chart shows ads.

### Which is updated more often, Traffic Blinker or WWF Nautical Chart?

Traffic Blinker ships an update every 2 months, and WWF Nautical Chart every 6 months. Most recently, Traffic Blinker was updated on October 10, 2026 and WWF Nautical Chart on October 12, 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.*