Certum SimplySign vs ImpactCEE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Certum SimplySign
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.
- Electronic document signing
- Sign on mobile device screen
- Secure signing process
- Anytime, anywhere signing
- Integrates with Certum's e-Delivery
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SimplySign will turn your smartphone into a state-of-the-art tool for signing electronic documents. Anywhere, anytime. Quickly and securely on the screen of your mobile device. Install SimplySign if you are planning to use Certum's e-Delivery!
ImpactCEE
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Schedule 1:1 meetings, create your own agenda, browse through all the participants' profiles, move around the event venue with ease thanks to a special map and receive push notifications which will ensure that you always know about everything that’s happening at Impact! Download the ImpactCEE official app and enjoy the full event experience!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Certum SimplySign | ImpactCEE |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (4 ratings) — better | — |
| Positive reviews | 23.1% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 80 MB | 115 MB |
| Age rating | 4+ | 17+ |
| Developer | Asseco Data Systems SA | Impact CEE |
In-app purchases
Certum SimplySign
No in-app purchases
ImpactCEE
No in-app purchases
