Comparison

RS3 NFC Setup vs X100C

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

Head to head
About

RS3 NFC Setup

Configure an NFC reader for various card types like iClass, PROX, and MiFare. Easily adjust settings such as card hold time, output format (decimal/HEX), and Wiegand bits. Settings are saved directly to the device's flash memory.

Highlights
  • NFC reader setup
  • Supports iClass, PROX, ICODE, MiFare, AWID
  • Configure card hold time
  • Set output format (decimal/HEX)
  • Control Wiegand bits
  • Setup delimiters
  • Persistent settings storage
Features
Read full description

This app REQUIRES the idChamp Bluetooth Smart (BLE) NFC reader/scanner with firmware 2.0 or later, and iOS 9.0.2 It's used for setup for NFC for iClass, PROX, ICODE, MiFare, AWID, & More. Quickly and easily change settings. Select card type for ISO15693 & ISO14444A CSN, iClass CSN, Tag-It CSN, my-d CSN (Infineon), I-Code CSN (Philips, NXP), etag CSN (Secura Key), MiFare Ultralight CSN (Philips, NXP), I-tag CSN (IBM), DESFire CSN, Advant CSN (Legic), HID iClass ID, Secura Key -01, ReadyKey Pro UID, Radio Key (Secura Key -02), Nexwatch (Honeywell), NexKey, Quadrakey, KeyMate, 2Smart Key (Honeywell), Keri UID, Pyramid (Farpointe Data) PSC-1 26 Bit, Keri PSC-1 26 bit, Farpointe Data (Pyramid) PSC-1 26 bit, Keri NXT UID, ioProx (Kantech), Indala ECR Custom, Indala ASP+ Custom, Indala ASP+ UID (Motorola), Indala ASP Custom, Indala ASP UID (Motorola), Indala ASP 26 bit (Motorola), ID Teck, HiTag 2, HiTag 2 Alternate, HiTag 1 & S, HiTag 1 & S Alternate, HID Prox UID, HID Prox, GProx-II UID, EM 410x Alternate, Rosslare, EM 410x, DIGITAG, Paradox, CDVI, CASI-RUSCO (GE Security, UTC), Russwin UID, Cardax UID, Awid Setup card hold time (determine how long card must be present for read) Setup output format between decimal and HEX, control Wiegand bits output format, strip leading and trailing bits, enable/disable FAC (Facility Access Code), Reverse / Invert Wiegand bits, and more. Setup delimiters for character(s) sent before and after each scan for using the RS3 NFC reader in keyboard simulation mode. Settings are stored in RS3 unit flash memory so settings are persistent.

About

X100C

This mobile tool facilitates key programming and PIN code reading for various car models via an OBD2 connection. It offers multilingual support and a user-friendly interface for compatible Ford, Mazda, Peugeot, Citroen, and DS vehicles.

Highlights
  • Key programming via OBD2
  • PIN code reading
  • Supports Ford, Mazda, Peugeot, Citroen, DS
  • Multilingual interface
  • User-friendly operation
Features
Read full description

X100C is a dongle used to read PIN CODE and do key programming via OBD2 socket with your cell phone. It supports Ford, Mazda, Peugeot, Citroen and DS. It is user friendly and with Multilanguage. Models included(FORD/MAZDA/PEUGEOT/CITROEN/DS) For Mazda CX-3 ( 2015+ )( smart PCF7953 ID46 ) For Mazda CX-5 ( 2012+ )( smart PCF7953 ID46 ) For Mazda 2 ( 2014+ )( smart PCF7953 ID46 ) For Mazda 3 ( 2013+ )( smart PCF7953 ID46 ) For Mazda 6 ( 2013+ )( smart PCF7953 ID46 ) For Mazda 2 ( 2002 - 2013)( 4D ID63 ) For Mazda 3 ( 2002 - 2012 )( 4D ID63 ) For Mazda 5 ( 2002 - 2012 )( 4D ID63 ) For Mazda 6 ( 2014 - 2012 )( 4D ID63 ) For Focus3/CMax 2010+ - mechanical ( DST80+ ) For Focus3/CMax 2010+ - proximity ( DST80+ ) For Kuga2 2014+ - mechanical ( DST80+ ) For Kuga2 2014+ - proximity ( DST80+ ) For MondeoMK4/SMax facelift 2010+ - mechanical ( DST80+ ) For MondeoMK4/SMax facelift 2010+ - proximity ( DST80+ ) For Fiesta 2014+ - ONLY mechanical ( DST80+ ) For BMax+ - ONLY mechanical ( DST80+ ) Custom - ONLY mechanical ( DST80+ ) ( not fully supported ) NON-supported ( soon, look for news ): For Fiesta 2014+ - proximity For Bmax – proximity For Ecosport – proximity Support PINCODE to read all of the following model via OBD Peugeot 1007 Peugeot 206 Peugeot 207 Peugeot 208 Peugeot 2008 Peugeot 301 Peugeot 306 Peugeot 307 Peugeot 308 Peugeot 3008 Peugeot 406 Peugeot 407 Peugeot 4007 Peugeot 508 Peugeot 5008 Peugeot 607 Peugeot 806 Peugeot 807 Peugeot Bipper Peugeot Expert Peugeot Partner C2 C3 C3 Picasso C3 Pluriel C4 Cactus C4 Picasso C5 C8 C-Elysee xsara Picasso Berlingo 2 Berlingo 3 Jumper Jumpy DS3 DS4 DS5

Screenshots

RS3 NFC Setup4 screens
X100C3 screens

Verdict

The call

The clearest difference is rating: X100C at 3.3 against RS3 NFC Setup's 1.0. X100C also leads on iOS requirement (7.0 vs 15.6). On price, ratings volume, update cadence and ads 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

X100C holds the better App Store score, 3.3 against 1.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

UpkeepUpdate frequency

RS3 NFC Setup ships an update every 5 months, X100C every 6 months. The most recent releases landed on September 14, 2026 and July 7, 2026 respectively.

Scorecard2 real differences · 8 level
RS3 NFC Setup versus X100C: the parameters behind the verdict, then further details
ParameterRS3 NFC SetupX100C
PriceFreeFree
Rating1.0 (2 ratings)3.3 (3 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings23 — better
Update frequencyEvery 5 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.67.0 — better
Further details — not scored
Size9 MB51 MB
Age rating4+4+
DeveloperSerialio Ltd.Shenzhen Yunjia Intelligence Technology Co., Ltd.

Customer experience

RS3 NFC Setup

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

X100C

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

RS3 NFC Setup

No in-app purchases

None

X100C

No in-app purchases

Questions

Is RS3 NFC Setup free?
RS3 NFC Setup is free to download, with no in-app purchases.
Is X100C free?
X100C is free to download, with no in-app purchases.
Which has better reviews, RS3 NFC Setup or X100C?
X100C is rated higher. RS3 NFC Setup averages 1.0 out of 5 from 2 ratings, while X100C averages 3.3 from 3 ratings.
Do RS3 NFC Setup or X100C have ads?
Neither RS3 NFC Setup nor X100C shows ads.
Which is updated more often, RS3 NFC Setup or X100C?
RS3 NFC Setup ships an update every 5 months, and X100C every 6 months. Most recently, RS3 NFC Setup was updated on September 14, 2026 and X100C on July 7, 2026.

Other comparisons