Comparison

MasterKey vs NFC Tag Reader and Writer

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

Head to head
About

MasterKey

Features
Read full description

- 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.

About

NFC Tag Reader and Writer

This utility app allows you to read and write data to NFC tags using your device. It supports various data types like contact details, links, and plain text, and can also erase existing tag information. An internet connection is not required for its core functionality.

Highlights
  • Read and write NFC tags
  • Supports contact details, links, email, geo-location, app launch, plain text, SMS
  • Erase tag data
  • No internet connection required
  • Compatible with most famous tags
  • History log
Features
Read full description

To use the NFC Tag Reader you need following Requirements: - Your device must support NFC hardware. - NFC Chip-set card or Sticker. Features of using NFC tag reader : 1. Its compatible with most famous tags. 2. No internet connection required. 3. You can read and write below type of performance. - Contact details - Link content - Email data - Geo location - Launch application - Plane text - SMS 4. You can erase the tag's previous data. 5. History To use NFC Tag Reader, you have just to hold a tag or a card against the /front top of your device to read it. NFC Reader lets you copy the content of the tag. Privacy Policy : http://cloudsync.xyz:8081/consent/policy/KP Terms of Use : http://cloudsync.xyz:8081/consent/policy/TermsOfUse

Screenshots

MasterKey2 screens
NFC Tag Reader and Writer4 screens

Verdict

The call

The clearest difference is in-app purchases: MasterKey at none against NFC Tag Reader and Writer's 2. MasterKey also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 months). On price 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 Tag Reader and Writer sells 1 one-off in-app purchase. MasterKey asks for nothing beyond the download.

UpkeepUpdate frequency

MasterKey ships an update every 3 weeks, NFC Tag Reader and Writer every 6 months. The most recent releases landed on September 17, 2026 and September 7, 2026 respectively.

Scorecard4 real differences · 6 level
MasterKey versus NFC Tag Reader and Writer: the parameters behind the verdict, then further details
ParameterMasterKeyNFC Tag Reader and Writer
PriceFreeFree
Rating—2.2 (6 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 3 weeks — betterEvery 6 months
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size2 MB24 MB
Age rating4+4+
DeveloperSMARTCHIP MICROELECTRONICS CORP.Kushal Patel

In-app purchases

None

MasterKey

No in-app purchases

1 purchases

NFC Tag Reader and Writer

One-time1
  • Ad free version2 variants$7.99

Questions

Is MasterKey free?
MasterKey is free to download, with no in-app purchases.
Is NFC Tag Reader and Writer free?
NFC Tag Reader and Writer is free to download, with in-app purchases available.
Do MasterKey or NFC Tag Reader and Writer have ads?
NFC Tag Reader and Writer shows ads; MasterKey does not.
Which is updated more often, MasterKey or NFC Tag Reader and Writer?
MasterKey ships an update every 3 weeks, and NFC Tag Reader and Writer every 6 months. Most recently, MasterKey was updated on September 17, 2026 and NFC Tag Reader and Writer on September 7, 2026.

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