Comparison

NFC.cool Tools Tag Reader vs ZenSim

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

Head to head
About

NFC.cool Tools Tag Reader

This app allows you to read and write NFC tags, scan and create QR codes, digitize documents, and capture 3D models. It offers advanced NFC tools like encryption and batch operations, alongside a versatile QR code scanner and document scanner with OCR.

Highlights
  • Read and write NFC tags
  • Scan and create QR codes
  • Digitize documents with OCR
  • Capture 3D models and room scans
  • Advanced NFC tools (encryption, batch operations)
  • Customizable QR codes with logos
  • Automation and integration with iOS Shortcuts
Features
Read full description

Read and write NFC tags, scan and create QR codes, digitize documents, and capture 3D models - all in one app trusted by over 9 million users. NFC READING & WRITING Read any NFC tag to see web links, Wi-Fi, contacts, locations, payment links, and more. Write your own tags with 25+ message types (text, contacts, Wi-Fi, locations, calendar events, iOS Shortcuts, FaceTime, SMS, email, social media, payments, and Google Review links) that open apps, trigger shortcuts, or connect to services like WhatsApp, Instagram, and Spotify. NFC Tools: • Format, lock, password protect, analyze, and copy tags • NTAG 424 DNA: read secure tags, verify SUN tamper-proof messages, configure keys and SDM • NFC Tap Counter: teach NFC tags how to count • Batch Operations: write multiple tags sequentially, import from CSV/Excel • Custom Commands: send raw hex commands for advanced tag manipulation NFC Apps: • Passport & ID: read your passport or ID chip to view the stored personal data and photo • Sonicare Reset: read your Philips Sonicare brush head usage stats and reset its timer • Amiibo: scan to reveal the character with official artwork, build your collection, and back it up • OpenPrintTag: store 3D printing filament info on spools for automatic material detection • NFC Safe: store encrypted secrets on tags with 256-bit AES encryption QR CODE & BARCODE SCANNER • Scan any QR code or barcode with batch mode, plus a share extension to detect codes in your photos. • Create custom QR codes for all the same message types as NFC. • Design them with your own colors, logos, and Genmoji, and add them to home screen widgets. Supported formats: QR, Aztec, Code128, PDF417, DataMatrix, EAN, and 15+ other barcode types. DOCUMENT SCANNER • Capture documents with automatic edge detection and on-device OCR. • Import images from your photo library or files. • Save as searchable PDFs with full-text search. • Export to iCloud or share directly. 3D OBJECT & ROOM SCANNER • Scan objects into 3D models using photogrammetry. • Scan rooms with LiDAR to generate floor plans, detecting doors, windows, and furniture. • Measure dimensions and calculate floor area. • Export for 3D printing and CAD applications. Requires: iPhone with LiDAR sensor (iPhone 12 Pro and newer) AUTOMATION & INTEGRATION • Webhooks: send scan data to your server for inventory or custom integrations • iOS Shortcuts: launch scans via Siri, access scan history, write tags through automation • Widgets: quick-launch scanning from home screen, lock screen, or Control Center • Auto-Actions: open links, run shortcuts, play audio, or trigger text-to-speech when scanning tags CUSTOMIZATION Choose from multiple themes and icons, text-to-speech voices in 40+ languages, and Game Center achievements. Note: NFC functionality requires iPhone 7 or newer. iPhones read NFC but not all RFID frequencies. NFC.cool is in no way affiliated with Nintendo or Philips. Amiibo is a registered trademark by Nintendo and Sonicare is a registered trademark by Philips. These functions in NFC.cool are for educational purposes only. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ZenSim

Manage your eSIMs and travel data plans with this app. Activate new eSIMs, purchase travel data, and monitor your account usage and plan details.

Highlights
  • Activate eSIMs
  • Purchase Travel eSIMs
  • Manage account
  • Check usage
  • Order add-ons
  • Change plan
Features
Read full description

Welcome to the ZenSim app, where you can activate your eSIMs, buy Travel eSIMs, manage your account, check your usage, order add-ons, change your plan and more.

Screenshots

NFC.cool Tools Tag Reader4 screens
ZenSim4 screens

Verdict

The call

The clearest difference is rating: NFC.cool Tools Tag Reader at 4.5 against ZenSim's 3.7. NFC.cool Tools Tag Reader also leads on ratings volume (6.8K vs 3). ZenSim's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence 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. NFC.cool Tools Tag Reader sells 10 in-app purchases, starting at $2.99 per month. ZenSim asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

NFC.cool Tools Tag Reader holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: NFC.cool Tools Tag Reader has 6.8K ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 66% of NFC.cool Tools Tag Reader's written reviews are positive against 80% of ZenSim's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

NFC.cool Tools Tag Reader ships an update every 10 days, ZenSim fortnightly. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
NFC.cool Tools Tag Reader versus ZenSim: the parameters behind the verdict, then further details
ParameterNFC.cool Tools Tag ReaderZenSim
PriceFreeFree
Rating4.5 (6.8K ratings) — better3.7 (3 ratings)
Positive reviews66.2% of reviews80.0% of reviews — better
Number of ratings6.8K — better3
Update frequencyEvery 10 days — betterFortnightly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size106 MB52 MB
Age rating4+9+
DeveloperNicolo StanciuZenSim

Customer experience

NFC.cool Tools Tag Reader

All ratings6,804 ratings
Positive86.6%
Neutral3.2%
Negative10.2%
Written reviews1,231 reviews
Positive66.2%
Neutral4.6%
Negative29.2%

ZenSim

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews10 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Bugs and requests

NFC.cool Tools Tag Reader

Reported bugs

4 issues
  • Unable to read certain NFC tags
  • App freezes during NFC operations
  • Compatibility issues with iOS 13 and newer
  • Inconsistent behavior when writing tags

Requested features

5 requests
  • Add ability to clear/erase NFC tags
  • Integrate with Shortcuts app
  • Offline mode for writing NFC tags
  • Add support for RFID tags
  • Improve instructions and documentation

ZenSim

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

NFC.cool Tools Tag Reader

Subscriptions9
  • Unlimited 3DT Monthly3 Days trial$2.991 Month
  • NFC.cool Scanner Monthly3 Days trial$3.991 Month
  • Ultra3DT Monthly3 Days trial$4.991 Month
Show 6 more
  • Mini3DT Yearly3 Days trial$17.491 Year
  • Unlimited 3DT Yearly3 Days trial$24.991 Year
  • Unlimited7DT Yearly7 Days trial$24.991 Year
  • NFC.cool Scanner Yearly3 Days trial$29.991 Year
  • UnlimitedPro3DT Yearly3 Days trial$34.991 Year
  • Ultra3DT Yearly3 Days trial$39.991 Year
One-time1
  • Ad-free$6.99
None

ZenSim

No in-app purchases

Questions

Is NFC.cool Tools Tag Reader free?
NFC.cool Tools Tag Reader is free to download, with in-app purchases available.
Is ZenSim free?
ZenSim is free to download, with no in-app purchases.
Which has better reviews, NFC.cool Tools Tag Reader or ZenSim?
NFC.cool Tools Tag Reader is rated higher. NFC.cool Tools Tag Reader averages 4.5 out of 5 from 6.8K ratings, while ZenSim averages 3.7 from 3 ratings.
Do NFC.cool Tools Tag Reader or ZenSim have ads?
NFC.cool Tools Tag Reader shows ads; ZenSim does not.
Which is updated more often, NFC.cool Tools Tag Reader or ZenSim?
NFC.cool Tools Tag Reader ships an update every 10 days, and ZenSim fortnightly. Most recently, NFC.cool Tools Tag Reader was updated on November 3, 2026 and ZenSim on October 24, 2026.

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