# Nikko Weather vs OpenWindow

The clearest difference is in-app purchases: OpenWindow at none against Nikko Weather's 2. OpenWindow also leads on ads (none vs shown) and update cadence (every 3 days vs fortnightly). Nikko Weather's advantage is ratings volume (3 vs 1). On price, rating and iOS requirement there is nothing between them.

Both are free to download. Nikko Weather sells 2 in-app purchases, starting at $3.99 per month. OpenWindow asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Nikko Weather against 5.0 for OpenWindow. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Nikko Weather ships an update fortnightly, OpenWindow every 3 days. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Nikko Weather | OpenWindow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/nikko-weather/id6757166558/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/openwindow-weather-tracker/id6774467528/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 70 MB | 34 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ClimaLinks](https://appshunter.io/developer/1864992501) | [Ritwik Takkar](https://appshunter.io/developer/1525888535) |

## What reviewers say

### Nikko Weather

[App page](https://appshunter.io/ios/app/nikko-weather/id6757166558)

This weather app provides practical advice for daily decisions. It offers outfit suggestions based on upcoming conditions and helps plan trips by showing typical weather patterns for different times and locations.

**Highlights:** Outfit suggestions, Trip weather planning, Real-life weather context, Forecast interpretation, Packing advice

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nikko Pro Monthly | $3.99 | per month |
| Nikko Pro Annual | $39.99 | per year |


### OpenWindow

[App page](https://appshunter.io/ios/app/openwindow-weather-tracker/id6774467528)

This app provides clear, practical recommendations on whether to open windows or go outside based on local weather and air quality. It simplifies complex data into easy-to-understand guidance for everyday decisions.

**Highlights:** Window opening recommendations, Outdoor activity guidance, Hourly weather outlooks, Air quality data integration, Current and manual location search, Customizable units, Light and dark mode

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Nikko Weather free?

Nikko Weather is free to download, with in-app purchases available.

### Is OpenWindow free?

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

### Which has better reviews, Nikko Weather or OpenWindow?

Nikko Weather and OpenWindow are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Nikko Weather or OpenWindow have ads?

Nikko Weather shows ads; OpenWindow does not.

### Which is updated more often, Nikko Weather or OpenWindow?

Nikko Weather ships an update fortnightly, and OpenWindow every 3 days. Most recently, Nikko Weather was updated on October 14, 2026 and OpenWindow 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.*