Comparison

RS3 NFC Setup vs Instant Mobile Alert

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

Instant Mobile Alert

Receive critical message notifications from authorized administrators on campus or in a business. This utility app is designed for users in any US city, county, or state to stay informed.

Highlights
  • Receive message notifications
  • Authorized administrator messages
  • Campus and business alerts
  • US city, county, and state coverage
Read full description

IMA™ can be used by anyone on a campus or a business in any US city, county or state to receive message notifications from the authorized administrator.

Screenshots

RS3 NFC Setup4 screens
Instant Mobile Alert3 screens

Verdict

The call

The clearest difference is rating: Instant Mobile Alert at 5.0 against RS3 NFC Setup's 1.0. Instant Mobile Alert also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (12.2 vs 15.6). On price, ratings volume, 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

Instant Mobile Alert holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

RS3 NFC Setup ships an update every 5 months, Instant Mobile Alert every 3 weeks. The most recent releases landed on October 18, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 6 level
RS3 NFC Setup versus Instant Mobile Alert: the parameters behind the verdict, then further details
ParameterRS3 NFC SetupInstant Mobile Alert
PriceFreeFree
Rating1.0 (2 ratings)5.0 (2 ratings) — better
Number of ratings22
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.612.2 — better
Further details — not scored
Size9 MB26 MB
Age rating4+4+
DeveloperSerialio Ltd.CAPSOL, LLC

Customer experience

RS3 NFC Setup

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

Instant Mobile Alert

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

RS3 NFC Setup

No in-app purchases

None

Instant Mobile Alert

No in-app purchases

Questions

Is RS3 NFC Setup free?
RS3 NFC Setup is free to download, with no in-app purchases.
Is Instant Mobile Alert free?
Instant Mobile Alert is free to download, with no in-app purchases.
Which has better reviews, RS3 NFC Setup or Instant Mobile Alert?
Instant Mobile Alert is rated higher. RS3 NFC Setup averages 1.0 out of 5 from 2 ratings, while Instant Mobile Alert averages 5.0 from 2 ratings.
Do RS3 NFC Setup or Instant Mobile Alert have ads?
Neither RS3 NFC Setup nor Instant Mobile Alert shows ads.
Which is updated more often, RS3 NFC Setup or Instant Mobile Alert?
RS3 NFC Setup ships an update every 5 months, and Instant Mobile Alert every 3 weeks. Most recently, RS3 NFC Setup was updated on October 18, 2026 and Instant Mobile Alert on October 29, 2026.

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