# Knowes HA vs Signature Maker

The clearest difference is in-app purchases: Knowes HA at none against Signature Maker's 3. Knowes HA also leads on iOS requirement (11.0 vs 15.0). Signature Maker's advantage is update cadence (every 2 months vs every 27 months). On price, ads and device support there is nothing between them.

Both are free to download. Signature Maker sells 3 in-app purchases, starting at $4.99 per 7 days. Knowes HA asks for nothing beyond the download.

Knowes HA ships an update every 27 months, Signature Maker every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Knowes HA | Signature Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/signature-maker-e-sign-app/id6757265642/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 69 MB | 88 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Housing Insight Ltd.](https://appshunter.io/developer/985534542) | [Asad Ahsan](https://appshunter.io/developer/1326954499) |

## What reviewers say

### Knowes HA

[App page](https://appshunter.io/ios/app/knowes-ha/id1539909892)

**Features:** macOS Compatibility

**In-app purchases:** none


### Signature Maker

[App page](https://appshunter.io/ios/app/signature-maker-e-sign-app/id6757265642)

Effortlessly create professional digital signatures using AI or by drawing. Sign PDFs and forms directly on your device, with customization options for fonts, colors, and styles. Securely save and reuse your e-signatures for personal or business needs.

**Highlights:** AI signature generation, Customizable fonts, colors, and styles, Sign PDF documents directly, Fill and sign forms, Securely save signatures, Handwriting adaptation

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Knowes HA free?

Knowes HA is free to download, with no in-app purchases.

### Is Signature Maker free?

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

### Do Knowes HA or Signature Maker have ads?

Neither Knowes HA nor Signature Maker shows ads.

### Which is updated more often, Knowes HA or Signature Maker?

Knowes HA ships an update every 27 months, and Signature Maker every 2 months. Most recently, Knowes HA was updated on October 27, 2026 and Signature Maker on October 24, 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.*