Comparison

Otentik Code Reader vs HashDoc

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

Head to head
About

Otentik Code Reader

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.

Highlights
  • 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
Features
Read full description

The Otentik Code Reader is a free application for reading and verifying Visible Digital Seals (VDSs) that comply with the requirements of the Otentik trust network. The application verifies 2D barcodes (Datamatrix, QR Code and PDF417) compliant with the AFNOR Z42-105 standard and the Otentik Network extensions. This VDS encapsulates key data from a document in accordance with the associated use case. This data is electronically signed, enabling the Otentik Codes Reader to detect any tampering, to confirm the authenticity of the data and the legitimacy of the issuer. The reader displays the encoded information in a readable format, using one of the localized languages defined by the use case. The Otentik Codes Reader complies with the European General Data Protection Regulation (GDPR). It is non-intrusive and keeps no trace of your navigation. To learn more about the Otentik Network and the Otentik VDS, please visit https://otentik.codes.

About

HashDoc

Read full description

Tamper-proof auditable evidence for your documents. Choose a file, and HashDoc creates a cryptographic hash on your device, seals that hash on the blockchain, and generates a proof you can store, share, and verify later. Your original files stay on your device and private at all times. Use HashDoc to: Create proof for documents, deeds, audits, code, photos, and video Generate a shareable proof PDF Verify whether a file still matches its original seal Add optional account-backed attribution Keep control of your files with local-first handling and full privacy HashDoc is built for auditors, creators, IP professionals, compliance teams and individuals who need a clear integrity trail for the files that matter most. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula Terms of Use: https://www.proofstack.eu/iosapptermsofuse/ Privacy Policy: https://www.proofstack.eu/iosappprivacypolicy/ Disclaimer: https://www.proofstack.eu/iosappdisclaimer/ FAQ Evidentiary use: https://www.proofstack.eu/iosappfaq/

Screenshots

Otentik Code Reader3 screens
HashDoc4 screens

Verdict

The call

The clearest difference is in-app purchases: Otentik Code Reader at none against HashDoc's 3. Otentik Code Reader also leads on iOS requirement (14.0 vs 26.0). HashDoc's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads 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. HashDoc sells 3 in-app purchases, starting at $3.99 per month. Otentik Code Reader asks for nothing beyond the download.

UpkeepUpdate frequency

Otentik Code Reader ships an update every 2 months, HashDoc every 2 weeks. The most recent releases landed on October 1, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Otentik Code Reader versus HashDoc: the parameters behind the verdict, then further details
ParameterOtentik Code ReaderHashDoc
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better26.0
Further details — not scored
Size69 MB10 MB
Age rating4+17+
DeveloperAIGCEV - RESEAU OTENTIKImpact Makers (Apps)

In-app purchases

None

Otentik Code Reader

No in-app purchases

3 purchases

HashDoc

Subscriptions3
  • Basic$3.991 Month
  • Premium$11.991 Month
  • Pro$69.991 Month

Questions

Is Otentik Code Reader free?
Otentik Code Reader is free to download, with no in-app purchases.
Is HashDoc free?
HashDoc is free to download, with in-app purchases available.
Do Otentik Code Reader or HashDoc have ads?
Neither Otentik Code Reader nor HashDoc shows ads.
Which is updated more often, Otentik Code Reader or HashDoc?
Otentik Code Reader ships an update every 2 months, and HashDoc every 2 weeks. Most recently, Otentik Code Reader was updated on October 1, 2026 and HashDoc on September 9, 2026.

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