Comparison

RfidAPP vs SleepWarning

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

Head to head
About

RfidAPP

Features
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RFID Tester The professional mobile tool for quickly reading, managing, and sharing your RFID tags – directly on iPhone & iPad! Instant Reading & Conversion • Scan RFID chips via NFC and get the unique tag ID in seconds • Choose your preferred number format: Decimal, Hexadecimal, or Binary • Automatic conversion without hassle – no more manual calculations Smart Scan History • Each scan is logged with date and time • Clear list of your recent scans, sortable and swipe-deletable • Reset individual IDs or the entire history with a single tap Maximum Readability & Accessibility • Full Dynamic Type support adapts font size to your system settings • High-contrast mode ensures clear buttons and text even in challenging lighting • Perfect for technicians and service staff, even when wearing gloves or working in workshops Easy Copy & Share • Copy directly to clipboard with a single tap • (Coming soon) Export CSV or PDF reports for maintenance and documentation processes • Perfect for reports, service documentation, and team communication Designed for: Electricians, service technicians, maintenance engineers, industry professionals, and anyone who needs precise RFID tag management. Compatibility: iPhone with iOS 17 or later, iPad with NFC reading capability. Try RFID Tester now for free and experience effortless RFID scanning.

About

SleepWarning

Read full description

Deutsch SleepWarning – Müdigkeit erkennen, bevor es gefährlich wird SleepWarning überwacht deine Augen in Echtzeit und erkennt zuverlässig, wenn sie zu lange geschlossen bleiben – ein typisches Anzeichen von Müdigkeit oder Sekundenschlaf. Bei Gefahr warnt dich die App sofort visuell und akustisch. Funktionen • Live-Erkennung von geschlossenen Augen • Zuverlässige Müdigkeits-Warnung • Kamera-basierte Analyse direkt auf dem Gerät • Bildschirm bleibt während der Überwachung aktiv • Einstellbare Empfindlichkeit und Alarmdauer • Datenschutzfreundlich: keine Cloud, keine Speicherung Kostenlos • Überwachung jederzeit nutzbar • Bis zu 3 Alarm-Warnungen pro App-Start kostenlos • Ideal zum Testen und Kennenlernen SleepWarning Pro (Einmaliger Kauf) • Unbegrenzte Alarm-Warnungen • Dauerhafte akustische & haptische Alarme • Volle Sicherheit ohne Unterbrechungen Hinweis: SleepWarning ist eine Assistenz-App und ersetzt keine Aufmerksamkeit, Pausen oder medizinische Beratung. Bitte verwende die App verantwortungsvoll. -------------------- English – App Store Description SleepWarning – Detect drowsiness before it becomes dangerous SleepWarning monitors your eyes in real time and reliably detects when they remain closed for too long – a common sign of drowsiness or microsleep. When a risk is detected, the app immediately alerts you visually and acoustically. Features • Real-time eye-closure detection • Reliable drowsiness warnings • On-device camera analysis (no cloud) • Screen stays awake during monitoring • Adjustable sensitivity and alarm timing • Privacy-friendly: no recording, no storage Free Version • Monitoring always available • Up to 3 alarm warnings per app session • Perfect for testing and evaluation SleepWarning Pro (One-time purchase) • Unlimited alarm warnings • Continuous sound & haptic alerts • Full safety without interruptions Disclaimer: SleepWarning is an assistance tool and does not replace attention, breaks, or medical advice. Always use the app responsibly.

Screenshots

RfidAPP4 screens
SleepWarning2 screens

Verdict

The call

The clearest difference is in-app purchases: RfidAPP at none against SleepWarning's 1. SleepWarning's advantage is update cadence (every 4 days vs every 9 days). On price, ads, device support and iOS requirement 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. SleepWarning sells 1 one-off in-app purchase. RfidAPP asks for nothing beyond the download.

UpkeepUpdate frequency

RfidAPP ships an update every 9 days, SleepWarning every 4 days. The most recent releases landed on September 19, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 4 level
RfidAPP versus SleepWarning: the parameters behind the verdict, then further details
ParameterRfidAPPSleepWarning
PriceFreeFree
Update frequencyEvery 9 daysEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone
Requires iOS18.017.6 — better
Further details — not scored
Size18 MB7 MB
Age rating4+4+
DeveloperArtem WilhelmiTilo Greiner

In-app purchases

None

RfidAPP

No in-app purchases

1 purchases

SleepWarning

One-time1
  • SleepWarning$1.99

Questions

Is RfidAPP free?
RfidAPP is free to download, with no in-app purchases.
Is SleepWarning free?
SleepWarning is free to download, with in-app purchases available.
Do RfidAPP or SleepWarning have ads?
Neither RfidAPP nor SleepWarning shows ads.
Which is updated more often, RfidAPP or SleepWarning?
RfidAPP ships an update every 9 days, and SleepWarning every 4 days. Most recently, RfidAPP was updated on September 19, 2026 and SleepWarning on October 4, 2026.

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