# Mi vs Sign PDF Documents & Forms

The clearest difference is in-app purchases: Mi at none against Sign PDF Documents & Forms's 2. Mi also leads on iOS requirement (16.6 vs 26.0). Sign PDF Documents & Forms's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Sign PDF Documents & Forms sells 2 in-app purchases, starting at $12.99 per 7 days. Mi asks for nothing beyond the download.

Mi ships an update every 2 months, Sign PDF Documents & Forms fortnightly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Mi | Sign PDF Documents & Forms |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 46 MB | 28 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DIGITA SRL](https://appshunter.io/developer/1454361260) | [Yan Ramanovich](https://appshunter.io/developer/6789653776) |

## What reviewers say

### Mi

[App page](https://appshunter.io/ios/app/mi-add/id1530931505)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sign PDF Documents & Forms

[App page](https://appshunter.io/ios/app/sign-pdf-documents-and-forms/id6789653774)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $12.99 | per 7 days |
| Annually | $79.99 | per year |


## Frequently asked questions

### Is Mi free?

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

### Is Sign PDF Documents & Forms free?

Sign PDF Documents & Forms is free to download, with in-app purchases available.

### Do Mi or Sign PDF Documents & Forms have ads?

Mi shows ads; Sign PDF Documents & Forms does not.

### Which is updated more often, Mi or Sign PDF Documents & Forms?

Mi ships an update every 2 months, and Sign PDF Documents & Forms fortnightly. Most recently, Mi was updated on October 25, 2026 and Sign PDF Documents & Forms on October 28, 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.*