Comparison

signoSign Universal vs c

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

signoSign Universal

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Signing remains as simple and secure as ever. signoSign/Universal is a solution to sign PDF documents legally admissible, legally compliant and handwrittenly thus enabling the integration of a workflow without media discontinuity. PDF documents signed in this manner can be checked at any time, anywhere and by anyone without incurring any technical costs. Signatures are recorded pursuant to ISO standard and protect the document with the digital signature which can be verified as genuine. signoSign/Universal is accessible on all devices via a qualified HTML5 capable browser, enabling collaboration in heterogeneous IT landscapes. For a high quality recording of digital signatures within a browser signotec signature pads can be used. The app requires an online connection to a server. Hosting offers optimum protection in relation to the availability, reliability, integrity and authenticity of your data. The host system has been certified by TÜV Süd with the coveted ISO 27001 seal.

About

c

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Eine App um Eine Versandbestätigung an den Kunden inkl. Bilder zu versenden.

Screenshots

signoSign Universal4 screens

c4 screens

Verdict

The call

The clearest difference is update cadence: c at every 2 months against signoSign Universal's every 6 months. c also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

signoSign Universal ships an update every 6 months, c every 2 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level

signoSign Universal versus c: the parameters behind the verdict, then further details
Parameter	signoSign Universal	c
Price	Free	Free
Update frequency	Every 6 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0	11.0 — better
Further details — not scored
Size	17 MB	138 MB
Age rating	4+	4+
Developer	signotec GmbH	c-entron software gmbh

In-app purchases

None

signoSign Universal

No in-app purchases

None

c

No in-app purchases

Questions

Is signoSign Universal free?

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

Is c free?

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

Do signoSign Universal or c have ads?

Neither signoSign Universal nor c shows ads.

Which is updated more often, signoSign Universal or c?

signoSign Universal ships an update every 6 months, and c every 2 months. Most recently, signoSign Universal was updated on October 29, 2026 and c on October 25, 2026.