# Write ID vs RF Aware

The clearest difference is price: Write ID at Free against RF Aware's $0.99. Write ID also leads on iOS requirement (9.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Write ID is free to download; RF Aware costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Write ID | RF Aware |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Chileaf Eletronics Co., LTD](https://appshunter.io/developer/1460339012) | [Allykiro Valdez](https://appshunter.io/developer/1346848637) |

## What reviewers say

### Write ID

[App page](https://appshunter.io/ios/app/write-id/id1494859636)

**In-app purchases:** none


### RF Aware

[App page](https://appshunter.io/ios/app/rf-aware/id6752588543)

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

**In-app purchases:** none


## Frequently asked questions

### Is Write ID free?

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

### Is RF Aware free?

RF Aware costs $0.99, with no in-app purchases.

### Do Write ID or RF Aware have ads?

Neither Write ID nor RF Aware shows ads.

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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.*