MasterKey vs NFC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MasterKey
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- Let you feel the convenience of keyless opening, and can manage all your keys at the same time. - The dual-frequency function automatically recognizes the properties of the door lock and then opens the door with the corresponding key.
NFC
Easily read, write, and lock NFC tags with this utility app. It supports various tag types, allows writing text or URLs, and offers pre-built templates for common tasks like Wi-Fi logins and contact cards. You can also erase tags and set passwords.
- Read NFC tag data
- Write text and URLs to NFC tags
- Lock NFC tags to make them read-only
- Pre-built templates for common NFC tasks
- Set and remove NFC tag passwords
- Erase NFC tags
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NFC - Reader & Writer provides a simple and easy-to-use solution to Read, Write, and Lock an NFC Tag. Read: - Tap the Read button to read a compatible NFC Tag. - Opens URL's if allows in settings - Manufacturer & model (NTAG213, NTAG215, Ultralight, Mifare, etc.) - Serial number & tech details - Memory size, tag type & available technologies - iCloud-Synced Tag Read History Write: - Type in text then press the write button to write to an NFC Tag. - Write in text or URL (using https:// format). - Save any template or stack you create Create useful NFC tags in seconds with prebuilt templates: - Wi-Fi Login - Contact Card - Bluetooth - Location / Maps - Website Link - Email - SMS - Custom Text or NDEF Records Lock: - Press the lock button to make an NFC Tag "read only" meaning you will no longer be able to write to that same NFC Tag (This is permanent) Tools: - Set or remove NFC passwords - Erase tags *Works with iPhone 7 or newer* More features to come!
Screenshots
Verdict
The clearest difference is in-app purchases: MasterKey at none against NFC's 2. MasterKey also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence 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. NFC sells 2 in-app purchases, starting at $0.49 per month. MasterKey asks for nothing beyond the download.
MasterKey ships an update every 3 weeks, NFC fortnightly. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.
| Parameter | MasterKey | NFC |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (95 ratings) — better |
| Positive reviews | — | 59.2% of reviews |
| Number of ratings | — | 95 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 16 MB |
| Age rating | 4+ | 9+ |
| Developer | SMARTCHIP MICROELECTRONICS CORP. | Cameron Nazemi |
Bugs and requests
MasterKey
Not enough reviews yet to summarise bugs or requests.
NFC
Reported bugs
8 issues- Full tag text truncated
- App became unusable
- Doesn't open URLs
- No read on iPhone 15 Pro
- Doesn't read NFC tags
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- Not working at all
- Can't get all scans
- Kodu okumuyor
Requested features
7 requests- Automatic scan on app open
- Dark mode icon
- Formatting NFC tag
- SSID WiFi option
- Ad-free version
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- Reset NFC chip
- Clear NFC chip to factory default
In-app purchases
MasterKey
No in-app purchases
NFC
- NFC Pro (Monthly)$0.491 Month
- NFC Pro$0.99
