Comparison

RFR901 APP vs Device ID Check Tool

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

Head to head

RFR901 SDK APP

Ad Identifier Checker

Free

🛠️ Developer Tools

No ratingsView app →

About

RFR901 APP

Features

Read full description

This application uses Bluebird RFR901 SLED SDK which can connect with Bluebird RFID RFR901 HW readers. Users can use and experience all RFR901 iOS SDK API and understand all SDK API functionality using this application. This application can be used to scan Barcode and RFID using RFR901 readers.

About

Device ID Check Tool

Features

Read full description

A lightweight tool for easily checking and sharing your Identifier for Advertisers (IDFA). Perfect for mobile marketers and app developers, IDFA Checker lets you copy your device's identifier with a single tap. Monitor your tracking status simultaneously to help debug and analyze marketing campaigns. Designed with privacy in mind, all data is processed locally on your device without external transmission. This essential tool supports iOS 14+ advertising identifier management requirements for today's privacy-conscious mobile ecosystem.

Screenshots

RFR901 APP4 screens

Device ID Check Tool1 screens

Verdict

The call

The clearest difference is ads: RFR901 APP at none against Device ID Check Tool's shown. RFR901 APP also leads on iOS requirement (11.0 vs 18.2). Device ID Check Tool's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RFR901 APP ships an update every 2 months, Device ID Check Tool weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 3 level

RFR901 APP versus Device ID Check Tool: the parameters behind the verdict, then further details
Parameter	RFR901 APP	Device ID Check Tool
Price	Free	Free
Update frequency	Every 2 months	Weekly — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	11.0 — better	18.2
Further details — not scored
Size	5 MB	4 MB
Age rating	4+	4+
Developer	Bluebirdcorp	Mizuki Hoshida

In-app purchases

None

RFR901 APP

No in-app purchases

None

Device ID Check Tool

No in-app purchases

Questions

Is RFR901 APP free?

RFR901 APP is free to download, with no in-app purchases.

Is Device ID Check Tool free?

Device ID Check Tool is free to download, with no in-app purchases.

Do RFR901 APP or Device ID Check Tool have ads?

Device ID Check Tool shows ads; RFR901 APP does not.

Which is updated more often, RFR901 APP or Device ID Check Tool?

RFR901 APP ships an update every 2 months, and Device ID Check Tool weekly. Most recently, RFR901 APP was updated on October 27, 2026 and Device ID Check Tool on October 28, 2026.