Comparison

Document Validator vs Engage Scanner

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

Head to head
About

Document Validator

Quickly verify the authenticity of documents containing QR codes and accompanying text. Scan the code to receive instant validation results for certificates, IDs, and more, even offline. Print a secure record of your validation.

Highlights
  • Instant QR code scanning
  • Offline validation capability
  • Secure, tamper-proof verification
  • Privacy-focused, no server tracking
  • Printable validation records
  • Supports various document types
Read full description

The main purpose of this App is to help quickly validate the authenticity of documents. You can use it with any document containing the following: - a QR Code (a square barcode), and - text or URL, instructing use of this App to validate. Simply scan the document code with this App and get instant validation result. Documents could be certificates, transcripts, IDs, pay stubs, account statements, permits etc. You can use the App with both the original document, photocopy or a soft copy. Features: Instant: Validate in seconds! No need to figure out how to validate documents issued by an organization, contact them or sign-up for an account. You just need this App. Secure: The QR Code is digitally signed and tamper-proof. Any modification, invalidates the entire code. No network connectivity required for primary information: Since all the primary information is securely encoded within the code, no network connectivity is required to validate. Code Attachments will require connectivity but the security envelope is always maintained. Privacy: The verification of the code is done entirely within the App - no outside servers track details of documents being validated. Print Record: You can AirPrint the validation record and file it with rest of the paper work for record keeping. To preserve the integrity of the validation record, the printout PDF contains the validation code - along with the verified details of the document.

About

Engage Scanner

This app allows event exhibitors to capture leads efficiently by scanning badges. It provides real-time data access, note-taking, photo and audio recording capabilities, and works both online and offline. Leads can be viewed and exported instantly through a dedicated portal.

Highlights
  • Lead capture via scanning
  • Real-time data viewing
  • Note-taking and media recording
  • Offline functionality
  • Exhibitor portal for data export
  • Customizable questions for leads
Features
Read full description

Engage Scanner is a lead retrieval app Exhibitors utilise to get the most from their involvement at events - maximising their ROI. Exhibitors can capture leads, view data immediately, make notes, take photos, record audio and set relevant question. Real-Time Data View leads as you scan them instantly on your device, or view all your data in your Exhibitor Dashboard Powerful Scanner Engine We are using the best-performing mobile scanning software in the business: Unmatched Speeds; Tough Codes; Wide Angles; Long Distance; Low Light. Exhibitor Portal Data capture on the Engage Scanner application is immediately available via the Exhibitor Portal. Export your leads at head office or at the event for instant access. Offline / Online Engage Scanner has been designed to work without a data connection, simply synchronise your device once a data connection has been established. Any support questions, please contact: - support@jonas.events - 01865-520-152 If you’re organising an event and would like to know more about our services, visit or contact: - www.jonas.events - hello@jonas.events

Screenshots

Document Validator4 screens
Engage Scanner4 screens

Verdict

The call

The clearest difference is review sentiment: Engage Scanner at 50% against Document Validator's 0%. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Document Validator ships an update every 4 months, Engage Scanner every 2 months. The most recent releases landed on June 11, 2026 and September 9, 2026 respectively.

Scorecard1 real difference · 9 level
Document Validator versus Engage Scanner: the parameters behind the verdict, then further details
ParameterDocument ValidatorEngage Scanner
PriceFreeFree
Rating—2.0 (1 ratings) — better
Positive reviews0.0% of reviews50.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size10 MB34 MB
Age rating4+4+
DeveloperQryptal Pte LtdJonas Event Technology Ltd.

Customer experience

Document Validator

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Engage Scanner

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Document Validator

No in-app purchases

None

Engage Scanner

No in-app purchases

Questions

Is Document Validator free?
Document Validator is free to download, with no in-app purchases.
Is Engage Scanner free?
Engage Scanner is free to download, with no in-app purchases.
Do Document Validator or Engage Scanner have ads?
Neither Document Validator nor Engage Scanner shows ads.
Which is updated more often, Document Validator or Engage Scanner?
Document Validator ships an update every 4 months, and Engage Scanner every 2 months. Most recently, Document Validator was updated on June 11, 2026 and Engage Scanner on September 9, 2026.

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