VDSeal Reader vs HPL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VDSeal Reader
This application verifies visual digital seals (VDS) found on normalized barcodes. It supports various 2D-Doc barcode specifications and the VDS standard, ensuring the authenticity of digital signatures.
- Verifies visual digital seals (VDS)
- Supports 2D-Doc barcodes up to version 3
- Handles VDS standard up to version 4
- Verifies digital signatures on barcodes
- Reads normalized barcodes
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VDSeal Reader is a visual digital seal (VDS) verification application of a normalized barcode secured with a digital signature. The current version of VDSeal Reader verifies all 2D-Doc barcodes as defined by the specifications published by the National Agency for Secure Identity Documents (https://ants.gouv.fr/Les-solutions/2D-Doc) up to version 3. It also takes into account the specifications currently undergoing normalization by the French Association for NORmalization, of the VDS standard as defined by the Visual Digital Seal International Council (https://aigcev.org/) up to version 4.
HPL
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B2B Sales app has been developed for polymer clients of HPL(Haldia Petrochemical Limited) to provide them 360 degree view of their sales dealing with HPL including their financials and dispatch in one place. App has the following features. a) My Page. b)Dashboard. c)Place Order. d)Release Order. e)Contribution Calculator. f)Amendment
Screenshots
Verdict
The clearest difference is update cadence: HPL at every 4 days against VDSeal Reader's every 2 months. HPL also leads on iOS requirement (13 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.
VDSeal Reader ships an update every 2 months, HPL every 4 days. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.
| Parameter | VDSeal Reader | HPL |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13 — better |
| Further details — not scored | ||
| Size | 2 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Lex Persona | TCG DIGITAL SOLUTIONS PRIVATE LIMITED |
In-app purchases
VDSeal Reader
No in-app purchases
HPL
No in-app purchases
