ATA Carnet vs Halcom One Serbia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ATA Carnet
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ATA Carnet is a digital wallet that stores your ATA Carnets. Download carnets, prepare travels, declare at customs and receive real-time transaction confirmation, all paper-free. Effortless Customs declarations With ATA Carnet, you can speed up declaration processes at customs without the hassle of paper documentation.* The Carnets tab shows you all ATA Carnets stored in your wallet and allows you to manage them and check their status. When at customs, open the required transaction type from the Transactions tab and show the customs officer the QR code. Once the customs officer commits the transaction, you shall receive confirmation of the successful declaration. Secured and encrypted ATA Carnet keeps your data and ATA Carnets secure through different protection layers. See which countries and ports accept your eATA Carnet here: https://bit.ly/ICCeATA For support, tips or comments, please contact your local ATA National Guaranteeing Association: https://bit.ly/ATAlocal The ATA Carnet Guaranteeing Chain is administered by the International Chamber of Commerce's World Chambers Federation. For more information on ATA Carnets, visit www.atacarnets.org *NOTE: This app is part of a pilot project to digitize ATA Carnets (codenamed Project Mercury II). During the pilot, a certain number of ATA carnets will be issued both electronically and on paper. Customs formalities will be carried out by using the paper ATA Carnet, as only this form of the carnet is legally valid. In addition, Customs formalities will be carried out electronically for the purposes of testing the ATA Carnet system, whereas the relevant Customs administrations would need to update the information in ATA Carnet Customs in real-time.
Halcom One Serbia
This app provides a secure and user-friendly way to authenticate and digitally sign documents. It offers two-factor authentication and cloud-based digital signatures for various document types, ensuring compliance with regulations like GDPR and eIDAS.
- Two-factor authentication
- Cloud-based digital signatures
- Digital signing of XML and PDF documents
- Customized visualization (WYSIWYS)
- 24/7 availability
- GDPR, eIDAS, and PSD2 compliant
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What is Halcom One? The Halcom One mobile application is designed as a universal identifier that provides an excellent user experience and high level of safety. It enables quick and simple two-stage authentication and digital signing of documents using cloud-based digital signatures. The outstanding user experience supported by two-factor authentication supports digital signing of XML documents, PDF documents and hash values of the documents' contents. Halcom One allows users to sign documents anywhere and anytime (24/7), using customized visualisation to ensure compliance with the 'What You See Is What You Sign' (WYSIWYS) concept. The application is fully compliant with the GDPR, eIDAS and PSD2 (Payment Service Directive). User benefits: 1. Highest level of digital signing security 2. Compliance with all relevant regulations and laws 3. Represents your ID card in e-business (e-identity) 4. Increased mobility, availability of application 24/7 5. Excellent user experience, customized visualization and simple procedure
Screenshots
Verdict
The clearest difference is update cadence: ATA Carnet at monthly against Halcom One Serbia's every 5 months. Halcom One Serbia's advantage is iOS requirement (12.1 vs 15.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ATA Carnet ships an update monthly, Halcom One Serbia every 5 months. Both last shipped on November 3, 2026.
| Parameter | ATA Carnet | Halcom One Serbia |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.1 — better |
| Further details — not scored | ||
| Size | 79 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | CHAMBRE DE COMMERCE INTERNATIONALE | HALCOM AD BEOGRAD |
In-app purchases
ATA Carnet
No in-app purchases
Halcom One Serbia
No in-app purchases







