Comparison

ReadID Ready vs Check4ID (MRZ & NFC Scanner)

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

Head to head
About

ReadID Ready

Verify your identity using your mobile device. This app scans your identity documents and may take a selfie to confirm ownership. The verification results are shared with the requesting organization.

Highlights
  • Identity document scanning
  • Selfie verification
  • Third-party identity checks
  • Secure result sharing
  • QR code and link integration
Read full description

ReadID Ready is an application for mobile identity document verification, in some cases it will also do a selfie to verify if the identity document belongs to you. The verification results will be shared with the organisation that asked you to use ReadID Ready. You can only use ReadID Ready when a third party wants to verify your identity. You will receive a request and instructions (with a QR code and/or link) to do this. ReadID Ready is made by Signicat. PRIVACY We process your personal information on behalf of the organisation that asked you to use ReadID Ready. For details, see our privacy statement https://www.signicat.com/about/readid-privacy-policy LICENSES FOR OPEN SOURCE LIBRARIES USED See "About" in the app.

About

Check4ID (MRZ & NFC Scanner)

Read full description

Turn your phone into a real mobile age scanner or an adequate tool to read and check Identity documents. Authentication, Verification, Information With Check4ID you can quickly and easily scan all modern ID cards, passports and European driving licenses with an NFC chip. You can easily verify the MRZ and NFC chip data, process all relevant details, such as personal information and photos, and use them according to the needs of your organization. Check4ID supports: - All national and international passports, visas and ID cards that meet the ICAO-9303 standard. As well as many so-called “Near ICAO” documents. - European driving licenses with NFC chip, including Dutch driving licenses model 2014 and 2018. - American driving licenses with a PDF-417 barcode

Screenshots

ReadID Ready4 screens
Check4ID (MRZ & NFC Scanner)4 screens

Verdict

The call

The clearest difference is update cadence: ReadID Ready at monthly against Check4ID (MRZ & NFC Scanner)'s every 11 months. Check4ID (MRZ & NFC Scanner)'s advantage is iOS requirement (13.0 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

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

ReadID Ready ships an update monthly, Check4ID (MRZ & NFC Scanner) every 11 months. Both last shipped on November 3, 2026.

Scorecard2 real differences · 8 level
ReadID Ready versus Check4ID (MRZ & NFC Scanner): the parameters behind the verdict, then further details
ParameterReadID ReadyCheck4ID (MRZ & NFC Scanner)
PriceFreeFree
Rating4.7 (392 ratings) — better—
Positive reviews52.0% of reviews—
Number of ratings392 — better—
Update frequencyMonthly — betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size14 MB25 MB
Age rating4+4+
DeveloperInverid B.V.Martijn van Ark

Bugs and requests

ReadID Ready

Reported bugs

11 issues
  • App is terrible, doesn't scan documents
  • Cannot scan at all
  • Instructions for scanning passport are very poor
  • QR code reading uses the wrong camera on iPhone 15 pro
  • QR code is impossible to read
Show 6 more
  • Process loops around (ID front/back, NFC, then back to start)
  • Took hours and 50 tries to finally work
  • NFC does not work with the app, failed to read ID card and passport
  • App shuts down after passport scan and before live selfie
  • Instructions are very confusing, need to be simpler and to the point
  • Instruction to hold top of phone on passport doesn't work, need to hold phone halfway

Requested features

5 requests
  • Clarify camera direction during scanning
  • Add a live person to the helpdesk
  • Simplify instructions for older/less tech-savvy users
  • Stop sending paper, use email instead
  • Specify camera direction (up or down) in instructions

Check4ID (MRZ & NFC Scanner)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ReadID Ready

No in-app purchases

None

Check4ID (MRZ & NFC Scanner)

No in-app purchases

Questions

Is ReadID Ready free?
ReadID Ready is free to download, with no in-app purchases.
Is Check4ID (MRZ & NFC Scanner) free?
Check4ID (MRZ & NFC Scanner) is free to download, with no in-app purchases.
Do ReadID Ready or Check4ID (MRZ & NFC Scanner) have ads?
Neither ReadID Ready nor Check4ID (MRZ & NFC Scanner) shows ads.
Which is updated more often, ReadID Ready or Check4ID (MRZ & NFC Scanner)?
ReadID Ready ships an update monthly, and Check4ID (MRZ & NFC Scanner) every 11 months. Most recently, ReadID Ready was updated on November 3, 2026 and Check4ID (MRZ & NFC Scanner) on November 3, 2026.

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