Comparison

NFC vs Sheriff

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

Head to head
About

NFC

This utility app enables reading and writing NFC tags, RFID cards, and ultralight tags using an external NFC reader connected via the audio jack. It's designed to work with the latest A1 Hardware, Version 307, on iOS devices.

Highlights
  • Read NFC tags
  • Write NFC tags
  • Support for RFID cards
  • Ultralight tag compatibility
  • External NFC reader integration
  • iOS device support
Features
Read full description

Nfc-A1 allows to read and write tags, RFID cards and ultralight tags using your audio jack via our external NFC reader. Try this app to find out how can you read RFID tags/cards via your ios device. This version is supporting out latest version of A1 Hardware, Version 307. For users trying to review our app getting the nickname error: Please login into your iTunes account via iTunes, go to your account information. In the settings section (Last section), please enter a valid nickname and save. You can now successfully review and rate our app.

About

Sheriff

Take control of your online privacy by selectively blocking JavaScript and cookies on a per-domain basis. This free utility enhances browsing speed, reduces data usage, and protects your device from malicious scripts and intrusive pop-ups.

Highlights
  • Per-domain JavaScript and cookie blocking
  • Enhanced online privacy and security
  • Faster browsing and data saving
  • Block intrusive pop-ups
  • Universal Safari compatibility
  • iCloud rule synchronization
  • Customizable content blocking rules
Features
Read full description

Sheriff empowers you to protect your privacy online, by blocking JavaScript and Cookies on a per-domain basis. Sheriff is free, for everyone, because privacy shouldn't be a privilege for only those who can afford it. Per-Domain Control: Sheriff empowers you to decide which websites can use JavaScript and Cookies. Customize your settings on a per-domain basis to allow or block these elements where you want, when you want. Enhanced Privacy: Safeguard your personal information from data-hungry websites. Sheriff gives you the power to protect your privacy by blocking cookies that can track your every move. Faster Browsing: Disable JavaScript on resource-heavy websites to speed up your browsing experience. Load pages faster and save valuable mobile data! Security First: Enhance your online security by disabling JavaScript on untrusted domains. Sheriff keeps your iOS device safe from potential threats and malicious scripts. Block Annoying Pop-ups: Say goodbye to intrusive pop-up ads that disrupt your browsing experience. Sheriff lets you take control of the web, ensuring a smoother and less cluttered journey. Cleaner, Faster, and Safer: Enjoy a cleaner web experience with fewer distractions and faster loading times. With Sheriff, you're not just blocking elements; you're crafting a better online world. Data Saver: Control which websites can store cookies on your device, preserving your data and privacy. Sheriff puts you in the driver's seat when it comes to your online identity. Universal Compatibility: Sheriff seamlessly integrates with Safari, making it easy for you to manage your web preferences without any hassle. Synchronize your rules via iCloud to protect your privacy across all your devices. Sheriff now enables you to unlock the full power of Safari Content Blocker with custom rules. • Block more resources • Documents (HTML, XML, SVG) • Fonts, Style Sheets (CSS) • Images, Media (Audio, Video) • Popups, Pings, Fetches, Websockets • Remove elements with CSS selectors • Upgrade requests to HTTPS • Target first- or third- party loads • Target top- or child- frame contexts • Include or exclude domains • Include or exclude top URLs Privacy Policy: https://primatology.xyz/privacy-policy

Screenshots

NFC1 screens
Sheriff4 screens

Verdict

The call

The clearest difference is review sentiment: Sheriff at 94% against NFC's 0%. Sheriff also leads on update cadence (every 10 days vs every 5 months). NFC's advantage is in-app purchases (none vs 7) and iOS requirement (8.2 vs 16.0). On price, ads 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. Sheriff sells 7 one-off in-app purchases. NFC asks for nothing beyond the download.

UpkeepUpdate frequency

NFC ships an update every 5 months, Sheriff every 10 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
NFC versus Sheriff: the parameters behind the verdict, then further details
ParameterNFCSheriff
PriceFreeFree
Rating—4.4 (14 ratings) — better
Positive reviews0.0% of reviews93.8% of reviews — better
Number of ratings—14 — better
Update frequencyEvery 5 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.2 — better16.0
Further details — not scored
Size3 MB18 MB
Age rating4+4+
DeveloperSMARTCHIP MICROELECTRONICS CORP.Oliver White

Customer experience

NFC

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Sheriff

All ratings14 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews16 reviews
Positive93.8%
Neutral0.0%
Negative6.3%

In-app purchases

None

NFC

No in-app purchases

7 purchases

Sheriff

One-time7
  • Small Tip$1.00
  • Medium Tip$2.00
  • Large Tip$5.00
Show 4 more
  • Sheriff Pro (Discount)$6.79
  • Sheriff Pro$9.00
  • Extra Large Tip$10.00
  • Extra Extra Large Tip$20.00

Questions

Is NFC free?
NFC is free to download, with no in-app purchases.
Is Sheriff free?
Sheriff is free to download, with in-app purchases available.
Do NFC or Sheriff have ads?
Neither NFC nor Sheriff shows ads.
Which is updated more often, NFC or Sheriff?
NFC ships an update every 5 months, and Sheriff every 10 days. Most recently, NFC was updated on October 5, 2026 and Sheriff on October 7, 2026.

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