Comparison

OBD BLE Debug vs NFC Reader & Writer

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

Head to head
About

OBD BLE Debug

This tool allows developers and researchers to debug and explore OBD-II adapters using Bluetooth Low Energy. It facilitates direct interaction with ELM327 adapters, analyzes communications, and identifies supported PIDs for vehicles.

Highlights
  • Discover and connect to BLE devices
  • ELM327 adapter initialization
  • Automated PID scan
  • Send raw OBD-II hex commands
  • Bluetooth service and characteristic exploration
  • Comprehensive communication log
  • Export logs
Read full description

OBD BLE Debug is a debugging and exploration tool for OBD-II adapters connected via Bluetooth Low Energy (BLE). Designed for developers and researchers, this app lets you interact directly with ELM327 and compatible adapters, analyze communications, and discover PIDs supported by a vehicle. FEATURES • Discover and connect to nearby BLE devices with RSSI and advertised services display • One-tap ELM327 adapter initialization (AT commands) • Automated PID scan with real-time progress tracking • Send raw OBD-II hex commands • Detailed Bluetooth service and characteristic exploration (Read, Write, Notify, Indicate) • Comprehensive communication log with timestamps and color coding (TX, RX, ERR, DBG) • Export logs for external analysis via the iOS share sheet DISCLAIMER This application is intended for educational and research & development purposes only. It is NOT a vehicle diagnostic tool.

About

NFC Reader & Writer

This application allows you to read, write, and manage NFC tags directly from your iPhone. It provides detailed tag analysis, supports various record types for writing, and keeps a history of all your scans.

Highlights
  • Read NFC tag information
  • Write NDEF records to tags
  • Manage tags (erase, lock)
  • Scan history with timestamps
  • Detailed tag analysis
  • Support for various NFC standards
Features
Read full description

NFC Reader & Writer – NFC Tool is a full-featured NFC tag reader, writer, and manager — everything you need to explore and interact with NFC technology right from your iPhone. READ NFC TAGS Hold your iPhone near any NFC tag to instantly retrieve complete tag information: UID, tag type, manufacturer, storage capacity, NDEF records, and RF technology specs. Supports MIFARE, ISO 15693, FeliCa, ISO 7816, and more. WRITE NFC TAGS Write one or more NDEF records to any writable NFC tag. Supported record types: · URL · Plain Text · Phone Number · Email Address · SMS (with message body) · Wi-Fi Credentials (SSID & Password) · Geographic Location · Contact Card (vCard) · Custom Type MANAGE TAGS · Erase — wipe all data from a tag · Lock — make a tag permanently read-only to protect its contents SCAN HISTORY Every scan is automatically saved with a timestamp and full tag details. Browse your history, tap any entry for a full breakdown, or swipe to delete individual records. DETAILED TAG ANALYSIS · UID with hex display · Automatic manufacturer identification (48+ vendor database) · MIFARE / NTAG product identification · NDEF status and storage usage · Raw NDEF payload inspector (developer mode) SETTINGS · Haptic feedback on successful scan · Auto-save history toggle · Raw NDEF data display for developers Requirements: NFC-capable iPhone (iPhone 7 or later) running iOS 14 or later. Support: tinfineapp@outlook.com Privacy Policy: https://decisive-store-bd5.notion.site/Privacy-Policy-325e1846c58e80c9b97ef5bbcb84153a Terms of Use: https://decisive-store-bd5.notion.site/Terms-Conditions-325e1846c58e807ea957d6e0eeafa9f0

Screenshots

OBD BLE Debug1 screens
NFC Reader & Writer4 screens

Verdict

The call

The clearest difference is chart position: NFC Reader & Writer at #74 against OBD BLE Debug's unranked. NFC Reader & Writer also leads on ratings volume (3 vs 1). On price, rating, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for OBD BLE Debug against 5.0 for NFC Reader & Writer. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Scorecard2 real differences · 8 level
OBD BLE Debug versus NFC Reader & Writer: the parameters behind the verdict, then further details
ParameterOBD BLE DebugNFC Reader & Writer
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Number of ratings13 — better
Update frequency—Every 2 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#74 — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17
Further details — not scored
Size0 MB8 MB
Age rating+44+
DeveloperJEAN SCHURGER裕涛 兰

Customer experience

OBD BLE Debug

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

NFC Reader & Writer

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OBD BLE Debug

No in-app purchases

None

NFC Reader & Writer

No in-app purchases

Questions

Is OBD BLE Debug free?
OBD BLE Debug is free to download, with no in-app purchases.
Is NFC Reader & Writer free?
NFC Reader & Writer is free to download, with no in-app purchases.
Which has better reviews, OBD BLE Debug or NFC Reader & Writer?
OBD BLE Debug and NFC Reader & Writer are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do OBD BLE Debug or NFC Reader & Writer have ads?
Neither OBD BLE Debug nor NFC Reader & Writer shows ads.

Other comparisons