# USD Event Check vs Write.law Enterprise

The clearest difference is in-app purchases: USD Event Check at none against Write.law Enterprise's 1. USD Event Check also leads on iOS requirement (11.4 vs 15.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Write.law Enterprise sells 1 one-off in-app purchase. USD Event Check asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | USD Event Check | Write.law Enterprise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 14 MB | 110 MB |
| Requires iOS | **11.4** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [University of San Diego](https://appshunter.io/developer/327884947) | [Write.law, LLC](https://appshunter.io/developer/1600039749) |

## What reviewers say

### USD Event Check

[App page](https://appshunter.io/ios/app/usd-event-check-in/id863205012)

**Features:** macOS Compatibility

**In-app purchases:** none


### Write.law Enterprise

[App page](https://appshunter.io/ios/app/writelaw-enterprise/id6473158843)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Great Legal Writers Journey | Free | one-time |


## Frequently asked questions

### Is USD Event Check free?

USD Event Check is free to download, with no in-app purchases.

### Is Write.law Enterprise free?

Write.law Enterprise is free to download, with in-app purchases available.

### Do USD Event Check or Write.law Enterprise have ads?

Neither USD Event Check nor Write.law Enterprise shows ads.

### Which is updated more often, USD Event Check or Write.law Enterprise?

USD Event Check ships an update every 3 months, and Write.law Enterprise every 3 months. Most recently, USD Event Check was updated on November 6, 2026 and Write.law Enterprise on November 4, 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.*