# Certum SimplySign vs ImpactCEE

Certum SimplySign and ImpactCEE are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Certum SimplySign ships an update every 2 months, ImpactCEE every 4 months. The most recent releases landed on November 1, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Certum SimplySign | ImpactCEE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/certum-simplysign/id1244415465/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 23.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 80 MB | 115 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Asseco Data Systems SA](https://appshunter.io/developer/1164844100) | [Impact CEE](https://appshunter.io/developer/1737252003) |

## What reviewers say

### Certum SimplySign

[App page](https://appshunter.io/ios/app/certum-simplysign/id1244415465)

Transform your smartphone into a powerful tool for signing electronic documents. Sign documents quickly and securely directly on your mobile device's screen, anytime and anywhere. This app is essential for users planning to utilize Certum's e-Delivery service.

**Highlights:** Electronic document signing, Sign on mobile device screen, Secure signing process, Anytime, anywhere signing, Integrates with Certum's e-Delivery

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

**In-app purchases:** none


### ImpactCEE

[App page](https://appshunter.io/ios/app/impactcee/id6479803020)

**In-app purchases:** none


## Frequently asked questions

### Is Certum SimplySign free?

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

### Is ImpactCEE free?

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

### Do Certum SimplySign or ImpactCEE have ads?

Neither Certum SimplySign nor ImpactCEE shows ads.

### Which is updated more often, Certum SimplySign or ImpactCEE?

Certum SimplySign ships an update every 2 months, and ImpactCEE every 4 months. Most recently, Certum SimplySign was updated on November 1, 2026 and ImpactCEE 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.*