# DoNotSign vs ClauseCheck

The clearest difference is iOS requirement: DoNotSign at 15.1 against ClauseCheck's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. DoNotSign sells 3 in-app purchases, starting at $1.99 per month and ClauseCheck sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

DoNotSign ships an update monthly, ClauseCheck every 3 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | DoNotSign | ClauseCheck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 53 MB | 3 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UNICORNS NOW IVS](https://appshunter.io/developer/1347215257) | [Mitaanshu Agarwal](https://appshunter.io/developer/1896724075) |

## What reviewers say

### DoNotSign

[App page](https://appshunter.io/ios/app/donotsign-ai-contract-check/id6757760324)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Discounted | $1.99 | per month |
| Premium monthly | $9.99 | per month |
| Premium Feature | $49.99 | per year |


### ClauseCheck

[App page](https://appshunter.io/ios/app/clausecheck-contract-help/id6776353375)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClauseCheck Monthly | $9.99 | per month |
| ClauseCheck Yearly | $49.99 | per year |


## Frequently asked questions

### Is DoNotSign free?

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

### Is ClauseCheck free?

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

### Do DoNotSign or ClauseCheck have ads?

Neither DoNotSign nor ClauseCheck shows ads.

### Which is updated more often, DoNotSign or ClauseCheck?

DoNotSign ships an update monthly, and ClauseCheck every 3 weeks. Most recently, DoNotSign was updated on October 7, 2026 and ClauseCheck on October 13, 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.*