# FP Sign mobile vs SimPacSi

The clearest difference is in-app purchases: FP Sign mobile at none against SimPacSi's 2. FP Sign mobile also leads on iOS requirement (11.0 vs 15.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SimPacSi sells 2 in-app purchases, starting at $89.99 per month. FP Sign mobile asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 15, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | FP Sign mobile | SimPacSi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 106 MB | 22 MB |
| Requires iOS | **11.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FP InovoLabs GmbH](https://appshunter.io/developer/1376538859) | [SimPlan AG](https://appshunter.io/developer/1091504286) |

## What reviewers say

### FP Sign mobile

[App page](https://appshunter.io/ios/app/fp-sign-mobile/id1376538860)

Digitally sign and exchange documents from any location with this secure and scalable solution. Streamline your document processes for contracts, offers, and certificates, ensuring fast and reliable execution with business partners.

**Highlights:** Digital document signing, Document exchange, Scalable packages, High integration capability, eIDAS compliant, Long-term archiving

**Features:** macOS Compatibility

**In-app purchases:** none


### SimPacSi

[App page](https://appshunter.io/ios/app/simpacsi/id1432647797)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $89.99 | per month |
| Premium | $899.99 | per year |


## Frequently asked questions

### Is FP Sign mobile free?

FP Sign mobile is free to download, with no in-app purchases.

### Is SimPacSi free?

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

### Do FP Sign mobile or SimPacSi have ads?

Neither FP Sign mobile nor SimPacSi shows ads.

### Which is updated more often, FP Sign mobile or SimPacSi?

FP Sign mobile ships an update every 3 months, and SimPacSi every 3 months. Most recently, FP Sign mobile was updated on October 15, 2026 and SimPacSi on October 26, 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.*