# Write ID vs 1Power

The clearest difference is in-app purchases: Write ID at none against 1Power's 4. Write ID also leads on iOS requirement (9.0 vs 16.0). 1Power's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 1Power sells 4 in-app purchases, starting at $4.99 per 7 days. Write ID asks for nothing beyond the download.

Write ID ships an update every 6 weeks, 1Power every 3 weeks. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Write ID | 1Power |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 1 MB | 10 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Chileaf Eletronics Co., LTD](https://appshunter.io/developer/1460339012) | [兴华 范](https://appshunter.io/developer/440983944) |

## What reviewers say

### Write ID

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

**In-app purchases:** none


### 1Power

[App page](https://appshunter.io/ios/app/1powervirtual-ride-simulator/id6474468540)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Weekly) | $4.99 | per 7 days |
| Premium (Monthly) | $6.99 | per month |
| Premium (Annual) | $14.99 | per year |
| Premium (Lifetime) | $39.99 | one-time |


## Frequently asked questions

### Is Write ID free?

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

### Is 1Power free?

1Power is free to download, with in-app purchases available.

### Do Write ID or 1Power have ads?

Neither Write ID nor 1Power shows ads.

### Which is updated more often, Write ID or 1Power?

Write ID ships an update every 6 weeks, and 1Power every 3 weeks. Most recently, Write ID was updated on September 11, 2026 and 1Power on September 20, 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.*