RfidAPP vs SleepWarning
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RfidAPP
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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.
SleepWarning
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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
Verdict
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
Both are free to download. SleepWarning sells 1 one-off in-app purchase. RfidAPP asks for nothing beyond the download.
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.
| Parameter | RfidAPP | SleepWarning |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 18 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Artem Wilhelmi | Tilo Greiner |
In-app purchases
RfidAPP
No in-app purchases
SleepWarning
- SleepWarning$1.99









