Contacts 4.0 vs NFC URL Encoder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Contacts 4.0
Easily back up and restore all your contacts with a single touch. Share contacts via QR code or email, and find and remove duplicate entries. This utility works completely offline.
- Offline backup and restore
- Single-touch backup
- Email vCard attachment
- QR code contact sharing
- Find and remove duplicates
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Key Features: ⍟ Backup and restore all your account without signing without activation, totally work offline. You can easily backup full your contacts with a single touch and send them to yourself as a vCards attachment via email. All contacts can then easily be restored any time by touching the attachment in your mail box. ⍟ Easy to share any contact to your friends by transforming a contact into a QR code ⍟ Find and remove duplicates in your contacts
NFC URL Encoder
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Transform any NFC tag into a powerful digital bridge with NFC URL Encoder. Perfect for businesses, creators, and tech enthusiasts who want to seamlessly connect physical objects to digital experiences. INSTANT NFC WRITING • Write any URL to NFC tags in seconds • Support for all NDEF-compatible NFC tags • Real-time URL validation and preview • Success/failure tracking with detailed history SMART INPUT OPTIONS • Manual URL entry with live preview • Barcode scanning for quick parameter input • Custom parameter configuration COMPREHENSIVE TRACKING • Complete write history with timestamps • Retry failed operations instantly PERFECT FOR • Business cards with digital profiles • Product information and manuals • Marketing campaigns and promotions • Restaurant menus and ordering • Real estate property tours • Art gallery exhibitions • Conference networking ADVANCED FEATURES • Custom URL parameter mapping • Flexible base URL configuration • Offline operation SIMPLE & POWERFUL Clean, intuitive interface that makes NFC tag programming accessible to everyone. No technical knowledge required - just enter your URL and tap to write! Whether you're creating smart business cards, interactive product displays, or innovative marketing experiences, NFC URL Encoder gives you the tools to bridge the physical and digital worlds effortlessly. Download now and start creating magical NFC experiences that engage and delight your audience!
Screenshots
Verdict
The clearest difference is ads: NFC URL Encoder at none against Contacts 4.0's shown. Contacts 4.0's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Contacts 4.0 | NFC URL Encoder |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 7 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Khang Le | ALGOHIT INC. |
In-app purchases
Contacts 4.0
No in-app purchases
NFC URL Encoder
No in-app purchases









