# National Grid vs Main

The clearest difference is in-app purchases: National Grid at none against Main's 2. Main's advantage is update cadence (daily vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Main sells 2 in-app purchases, starting at $0.99 per month. National Grid asks for nothing beyond the download.

National Grid ships an update every 6 weeks, Main daily. The most recent releases landed on November 13, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | National Grid | Main |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (15K ratings)](https://appshunter.io/ios/app/national-grid/id632161989/reviews)** | — |
| Number of ratings | **15K** | — |
| Positive reviews | 24.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | — |
| Size | 60 MB | 19 MB |
| Requires iOS | **15.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Grid plc](https://appshunter.io/developer/526723083) | [Hayden Patteson](https://appshunter.io/developer/1881209474) |

## What reviewers say

### National Grid

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

Manage your utility account securely and conveniently from your mobile device. Access billing, make payments, report outages, and view usage. Features biometric login for quick and secure access.

**Highlights:** Biometric account login, View account and billing information, Schedule payments, Report power outages and gas emergencies, View outage map, Explore energy usage

**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


### Main

[App page](https://appshunter.io/ios/app/main-tain/id6759850876)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Main-Tain Subscription | $0.99 | per month |
| Main-Tain Yearly Subscription | $9.99 | per year |


## Frequently asked questions

### Is National Grid free?

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

### Is Main free?

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

### Do National Grid or Main have ads?

Neither National Grid nor Main shows ads.

### Which is updated more often, National Grid or Main?

National Grid ships an update every 6 weeks, and Main daily. Most recently, National Grid was updated on November 13, 2026 and Main on November 5, 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.*