COLOP Verification App vs SealCrypt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COLOP Verification App
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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
SealCrypt
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | COLOP Verification App | SealCrypt |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Colop Digital GmbH | Advanced Track And Trace |
In-app purchases
COLOP Verification App
No in-app purchases
SealCrypt
No in-app purchases
Questions
Is COLOP Verification App free?
Is SealCrypt free?
Do COLOP Verification App or SealCrypt have ads?
Which is updated more often, COLOP Verification App or SealCrypt?
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