Comparison

COLOP Verification App vs SealCrypt

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

Head to head
About

COLOP Verification App

Features
Read full description

Feel confident about the authenticity of an important document, regardless if it is displayed on your screen or printed on paper. Demand the issuer to seal the document with the COLOP e-mark secure solution. With this verification app, you can verify the seal and its context within seconds. Retrieve all the following details from a blockchain database: - Authorized Organization - Authorized Officer - ID Number of the stamp device - Location where the stamp was created - Date, time and number of the stamp - Notes made during the stamp creation - Original image of the document

About

SealCrypt

Read full description

SealCrypt Reader is an application designed to allow you to scan SealCrypt® codes securely. The SealCrypt® code assures you that the information on your document is reliable. This physical 2D code is secure, robust and guarantees the integrity of the data and information it contains. It is designed to prevent manipulation, transformation and forgery of your documents, whether paper or digital, making it a reliable way to protect your sensitive information. The SealCrypt Reader application is 100% GDPR (General Data Protection Regulation) compliant, non-intrusive and keeps no trace of your activity. The SealCrypt Reader app and SealCrypt® are solutions provided by Advanced Track & Trace, a market leader in brand protection and security and data protection. We have been providing secure identification, traceability and authentication solutions and services to our customers for 20 years. Find out more on our website advancedtrackandtrace.com.

Screenshots

COLOP Verification App4 screens
SealCrypt3 screens

Verdict

The call

The clearest difference is update cadence: COLOP Verification App at every 6 weeks against SealCrypt's every 8 months. SealCrypt's advantage is iOS requirement (11.0 vs 13.1). 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

COLOP Verification App ships an update every 6 weeks, SealCrypt every 8 months. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 4 level
COLOP Verification App versus SealCrypt: the parameters behind the verdict, then further details
ParameterCOLOP Verification AppSealCrypt
PriceFreeFree
Update frequencyEvery 6 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.111.0 — better
Further details — not scored
Size11 MB12 MB
Age rating4+4+
DeveloperColop Digital GmbHAdvanced Track And Trace

In-app purchases

None

COLOP Verification App

No in-app purchases

None

SealCrypt

No in-app purchases

Questions

Is COLOP Verification App free?
COLOP Verification App is free to download, with no in-app purchases.
Is SealCrypt free?
SealCrypt is free to download, with no in-app purchases.
Do COLOP Verification App or SealCrypt have ads?
Neither COLOP Verification App nor SealCrypt shows ads.
Which is updated more often, COLOP Verification App or SealCrypt?
COLOP Verification App ships an update every 6 weeks, and SealCrypt every 8 months. Most recently, COLOP Verification App was updated on October 11, 2026 and SealCrypt on October 9, 2026.

Other comparisons