# National Grid vs Windmill Air

The clearest difference is device support: National Grid at 3 against Windmill Air's 1. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for National Grid against 4.7 for Windmill Air. Both are backed by a comparable volume of ratings — 15K and 6.2K respectively. Written reviews are what separate them: 25% of National Grid's written reviews are positive against 28% of Windmill Air's.

National Grid ships an update every 6 weeks, Windmill Air every 2 months. The most recent releases landed on November 9, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | National Grid | Windmill Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (15K ratings)](https://appshunter.io/ios/app/national-grid/id632161989/reviews)** | [4.7 (6.2K ratings)](https://appshunter.io/ios/app/windmill-air/id1589463108/reviews) |
| Number of ratings | **15K** | 6.2K |
| Positive reviews | 24.5% of reviews | **27.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 60 MB | 83 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [National Grid plc](https://appshunter.io/developer/526723083) | [The Air Lab, Inc.](https://appshunter.io/developer/1521133311) |

## What reviewers say

### National Grid

[App page](https://appshunter.io/ios/app/national-grid/id632161989)

Securely manage your utility account on the go. Access billing, schedule payments, and report outages with ease. Biometric login provides quick and secure access to your account information and support.

**Highlights:** Biometric account access, View account and billing information, Schedule payments, Report power outages and gas emergencies, View outage map, Enroll in paperless billing

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Smooth payments
- 🔒 Secure login process

**What reviewers complain about**

- 🐛 Frequent login issues
- 🔍 Lack of account details
- 💰 Confusing payment process with extra fees

**Reported bugs**

- Unexpected account data errors
- App crashes and freezes
- Payment processing failures

**Requested features**

- Ability to view billing history and usage details
- Seamless integration with existing online accounts
- Biometric login options


### Windmill Air

[App page](https://appshunter.io/ios/app/windmill-air/id1589463108)

This app allows you to remotely control your smart air care devices. Set schedules and adjust settings to create your ideal home climate from anywhere.

**Highlights:** Remote product control, Set automation schedules, Adjust any setting, Create ideal home climate, Eco-friendly product integration

**In-app purchases:** none

**What reviewers like**

- 🚀 Aesthetically pleasing design
- 🚀 Quiet operation
- 🚀 Easy installation
- 👍 Responsive app
- 👍 Useful remote control features

**What reviewers complain about**

- 🐛 Inaccurate temperature readings
- 🐛 Unreliable app connectivity and functionality
- 🐛 Automation issues and failures
- 🐛 Inconsistent settings and mode changes
- 🐛 Glitchy app with frequent bugs

**Reported bugs**

- App unable to maintain accurate room temperature readings
- Automations not working as expected or reverting settings
- Connectivity issues causing the app to lose control of the unit
- Inconsistent behavior when turning the unit on/off or changing settings

**Requested features**

- Integration with smart home platforms
- Improved automation and scheduling capabilities
- More granular temperature and fan speed controls
- Ability to disable annoying app notifications


## Frequently asked questions

### Is National Grid free?

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

### Is Windmill Air free?

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

### Which has better reviews, National Grid or Windmill Air?

National Grid is rated higher. National Grid averages 4.8 out of 5 from 15K ratings, while Windmill Air averages 4.7 from 6.2K ratings.

### Do National Grid or Windmill Air have ads?

Neither National Grid nor Windmill Air shows ads.

### Which is updated more often, National Grid or Windmill Air?

National Grid ships an update every 6 weeks, and Windmill Air every 2 months. Most recently, National Grid was updated on November 9, 2026 and Windmill Air on November 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.*