2D vs Otentik
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
2D
Scan and verify 2D-Doc barcodes on documents to extract and compare information. This tool is designed for checking authenticity and data integrity on official documents.
- Scan 2D-Doc barcodes
- Extract barcode information
- Compare with written data
- Verify document authenticity
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2D-Doc Reader is the first smartphone application enabling people to scan and check 2D-Doc barcodes. It simply reads any 2D-Doc barcode stamped on a document to extract the information it contains and compare it with the written information on the document. This application allows you to process 2D-Doc issued by AriadNEXT. For the others, you will need to subscribe to our service.
Otentik
This utility app reads and verifies digital seals on documents, ensuring their authenticity and detecting tampering. It supports various 2D barcode formats and complies with GDPR, keeping no user navigation data.
- Reads Visible Digital Seals (VDS)
- Verifies 2D barcodes (Datamatrix, QR Code, PDF417)
- Detects tampering and confirms authenticity
- Displays encoded information in readable format
- Complies with GDPR and is non-intrusive
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Otentik Code Reader is the free reader for Otentik trust network Visible Digital Seals (VDS) and 2D-Doc codes. Scan the code on a document: the app checks its signature, issuer and revocation, then shows the certified data. The app reads 2D codes (DataMatrix, QR Code and PDF417) compliant with ISO 22376 and the Otentik network extensions, as well as 2D-Doc codes. Any change to the data breaks the electronic signature: Otentik Code Reader detects it, confirms the authenticity of the data and the legitimacy of the issuer, and shows the information in one of the languages defined by the use case. No account and no data collection: no ads, no analytics, no tracking. Privacy policy: https://tso-otentik.codes/app-privacy Learn more about the Otentik network and VDS: https://tso-otentik.codes/
Screenshots
Verdict
The clearest difference is review sentiment: Otentik at 100% against 2D's 30%. Otentik also leads on rating (5.0 vs 2.3). 2D's advantage is ratings volume (3 vs 1). On price, update cadence, ads and in-app purchases 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.
Otentik holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 30% of 2D's written reviews are positive against 100% of Otentik's.
2D ships an update every 3 months, Otentik every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | 2D | Otentik |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 30.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 5 MB | 114 MB |
| Age rating | 4+ | 4+ |
| Developer | AriadNEXT | AIGCEV - RESEAU OTENTIK |
Customer experience
2D
Otentik
In-app purchases
2D
No in-app purchases
Otentik
No in-app purchases
