Comparison

Document Validator vs Tap to Pay + Contactless + POS

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

Tap to Pay + Contactless + POS

Accept credit card payments directly on your iPhone without additional hardware. This app supports major card types and offers secure, bank-grade encryption for seamless in-person transactions. Streamline your business operations with a modern payment solution.

Highlights
  • Accept major credit cards
  • Contactless payment processing
  • Bank-grade encryption
  • No additional hardware needed
  • Streamlined in-person transactions
  • Responsive in-app support
Features
Currently charting
Read full description

Welcome to the future of payments using Tap to Pay / Contactless Payments, powered by Accept. This innovative solution redefines the way merchants accept payments, offering a seamless and secure experience for both businesses and customers. With the capability to accept major credit cards like VISA, MasterCard, American Express, Discover, and more, directly through your iPhone, TTP eliminates the need for additional terminals or hardware, streamlining your in-person transactions. Some of our features: BANK-GRADE ENCRYPTION When accepting payments, you must do so in a PCI compliant manner. 1000'S OF CUSTOMERS Users from all around the world make payments every day. RESPONSIVE SUPPORT Simply contact us inside the app if you have any questions. INSTANT PAYMENT IN SECONDS When you start processing live payments from your customers, you will not receive your first payout until 7–10 days after your first successful payment is received. Please note there is a 1.5% fee when using the TTP App (in addition to Payment Processing fees). COUNTRIES Austria, Australia, Belgium, Canada, China, Denmark, Finland, France, German, Hong Kong, Ireland, Italy, Japan, Luxembourg, Mexico, New Zealand, Norway, Portugal, Singapore, Sweden, Switzerland, the United Kingdom, the United States, and more. PRIVACY Your privacy is important to us. It is our policy to respect your privacy regarding any information we may collect from you across our website and other apps/sites we own and operate. We only ask for personal information when we truly need it to provide a service to you. We collect it by fair and lawful means, with your knowledge and consent. We also let you know why we’re collecting it and how it will be used. We only retain collected information for as long as necessary to provide you with your requested service. What data we store, we’ll protect within commercially acceptable means to prevent loss and theft, as well as unauthorized access, disclosure, copying, use or modification. We don’t share any personally identifying information publicly or with third-parties, except when required to by law. Our website/app may link to external sites that are not operated by us. Please be aware that we have no control over the content and practices of these sites, and cannot accept responsibility or liability for their respective privacy policies. You are free to refuse our request for your personal information, with the understanding that we may be unable to provide you with some of your desired services. Your continued use of our website/app will be regarded as acceptance of our practices around privacy and personal information. If you have any questions about how we handle user data and personal information, feel free to contact us. This policy is effective as of August 2026.

Screenshots

Document Validator4 screens
Tap to Pay + Contactless + POS4 screens

Verdict

The call

The clearest difference is review sentiment: Tap to Pay + Contactless + POS at 41% against Document Validator's 0%. Tap to Pay + Contactless + POS also leads on update cadence (every 2 weeks vs every 4 months) and chart position (#154 vs unranked). Document Validator's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 16.4). 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

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, Tap to Pay + Contactless + POS every 2 weeks. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

Scorecard5 real differences · 6 level
Document Validator versus Tap to Pay + Contactless + POS: the parameters behind the verdict, then further details
ParameterDocument ValidatorTap to Pay + Contactless + POS
PriceFreeFree
Rating—4.8 (4K ratings) — better
Positive reviews0.0% of reviews40.6% of reviews — better
Number of ratings—4K — better
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
Best chart rank—#154 — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better16.4
Further details — not scored
Size10 MB110 MB
Age rating4+4+
DeveloperQryptal Pte LtdACCEPT PAYMENT COMPANY

Customer experience

Document Validator

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

Tap to Pay + Contactless + POS

All ratings4,022 ratings
Positive94.0%
Neutral2.0%
Negative4.0%
Written reviews106 reviews
Positive40.6%
Neutral2.8%
Negative56.6%

Bugs and requests

Document Validator

Not enough reviews yet to summarise bugs or requests.

Tap to Pay + Contactless + POS

Reported bugs

2 issues
  • Inability to withdraw or access funds
  • Automatic payment features not working as expected

Requested features

2 requests
  • Improved customer support communication
  • Ability to accept payments without a website or business

In-app purchases

None

Document Validator

No in-app purchases

None

Tap to Pay + Contactless + POS

No in-app purchases

Questions

Is Document Validator free?
Document Validator is free to download, with no in-app purchases.
Is Tap to Pay + Contactless + POS free?
Tap to Pay + Contactless + POS is free to download, with no in-app purchases.
Do Document Validator or Tap to Pay + Contactless + POS have ads?
Neither Document Validator nor Tap to Pay + Contactless + POS shows ads.
Which is updated more often, Document Validator or Tap to Pay + Contactless + POS?
Document Validator ships an update every 4 months, and Tap to Pay + Contactless + POS every 2 weeks. Most recently, Document Validator was updated on October 2, 2026 and Tap to Pay + Contactless + POS on October 18, 2026.

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