# Poison Maps vs OpenWind

The clearest difference is price: OpenWind at Free against Poison Maps's $1.99. OpenWind also leads on rating (5.0 vs 4.4) and update cadence (fortnightly vs every 5 months). Poison Maps's advantage is ratings volume (7 vs 2) and iOS requirement (8.0 vs 12.1). On ads, in-app purchases and device support there is nothing between them.

OpenWind is free to download; Poison Maps costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OpenWind holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 77% of Poison Maps's written reviews are positive against 100% of OpenWind's.

Poison Maps ships an update every 5 months, OpenWind fortnightly. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Poison Maps | OpenWind |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/poison-maps/id569489565/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openwind/id1214386697/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 76.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 1.3 GB | 52 MB |
| Requires iOS | **8.0** | 12.1 |
| Devices | iPhone, iPad, iPod, Apple Watch | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [CCS Ltd](https://appshunter.io/developer/569489568) | [Michael Liesenberg](https://appshunter.io/developer/1214386696) |

## What reviewers say

### Poison Maps

[App page](https://appshunter.io/ios/app/poison-maps/id569489565)

Discover millions of points of interest and routes worldwide, accessible even offline. Explore diverse categories like food, attractions, and transport, with features like directional signs and radar modes for easy navigation.

**Highlights:** Offline POI and route access, Extensive POI categories, Directional signs to offscreen POIs, Compass, radar, and scanner modes, Unique gesture for rapid panning, Apple Watch app integration

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

**In-app purchases:** none


### OpenWind

[App page](https://appshunter.io/ios/app/openwind/id1214386697)

This application connects to a specialized instrument to display real-time sailing data, including vessel pitch and roll, compass readings, and wind speed and direction. It also provides insights into the instrument's battery level and Bluetooth connection strength. The app requires a connection to the OW instrument to function.

**Highlights:** Real-time sailing data display, Vessel pitch and roll monitoring, True and apparent wind data, Compass and course over ground, Instrument battery level, Bluetooth connection strength

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

**In-app purchases:** none


## Frequently asked questions

### Is Poison Maps free?

Poison Maps costs $1.99, with no in-app purchases.

### Is OpenWind free?

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

### Which has better reviews, Poison Maps or OpenWind?

OpenWind is rated higher. Poison Maps averages 4.4 out of 5 from 7 ratings, while OpenWind averages 5.0 from 2 ratings.

### Do Poison Maps or OpenWind have ads?

Neither Poison Maps nor OpenWind shows ads.

### Which is updated more often, Poison Maps or OpenWind?

Poison Maps ships an update every 5 months, and OpenWind fortnightly. Most recently, Poison Maps was updated on October 13, 2026 and OpenWind 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.*