Hidden Camera Detector vs Caffeine Rhythm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hidden Camera Detector
This app guides you through inspecting unfamiliar spaces for hidden cameras using visual lens detection, nearby device scanning, and magnetic field readings. It provides structured checklists and on-device reports to help you make informed judgments about suspicious devices.
- Visual lens detection with multiple filters
- Nearby device scanning (Bluetooth & Wi-Fi)
- Magnetic field scanner
- Guided inspection checklists
- On-device scan reports
- Training and tips for inspection
Read full descriptionHide full description
Inspect hotels, rentals, offices, and unfamiliar rooms with one clear, guided workflow. Hidden Camera Detector combines lens-reflection tools, nearby Bluetooth and Wi‑Fi scanning, magnetic-field readings, and a room-by-room checklist. Use each signal as part of a structured inspection designed to reduce guesswork and highlight what deserves a closer look. ONE WORKFLOW. MULTIPLE SIGNALS. LENS CHECK Use the live camera view and multiple filters to make reflections and possible lens glints easier to notice. Adjust exposure, switch cameras, control the flashlight, or use Color Cycle, Brightness Ramp, and Auto Sweep for different visual conditions. NEARBY DEVICES Use Radar to review Bluetooth devices with signal-strength bars, suspicious indicators, and signal-lost detection. Scan reachable addresses on the local Wi‑Fi network, view your local IP, and identify devices worth investigating. MAGNETIC FIELD Monitor live Bx, By, and Bz readings, total field strength in microtesla, and changes over time on a rolling chart to guide a closer inspection. GUIDED ROOM CHECK Choose a Quick, Balanced, or Thorough scan. Build a checklist around your location, room size, and lighting, then work area by area with progress tracking and practical tips for common hiding places. REPORTED LOCATIONS Explore a map of publicly reported hidden-camera incidents compiled from open online sources. PRIVATE BY DESIGN Lens detection does not record or send images. Permissions are requested only when needed: - Camera: Lens check - Bluetooth: Nearby-device scan - Local Network: Wi‑Fi scan - Notifications: Optional reminders - Location: Optional map position IMPORTANT Hidden Camera Detector makes the most of your phone's camera, Bluetooth, Wi‑Fi, and sensors to help you spot signs of hidden cameras. It is a practical first step for everyday checks, but it does not replace specialized detection equipment or a professional security inspection. Download Hidden Camera Detector and inspect your next space with a clearer, more repeatable process.
Caffeine Rhythm
Track your caffeine intake and understand its impact on your body. This app calculates your real-time caffeine levels and predicts when you'll be able to sleep, helping you optimize your daily consumption for better rest.
- Real-time caffeine decay tracking
- Personalized half-life calculation
- Sleep safety countdown
- Coffee shop menu integration
- Streak tracking and gamification
- Apple Watch app with complications
- Home Screen and Lock Screen widgets
- HealthKit integration
Read full descriptionHide full description
Caffeine Rhythm is your personalized caffeine tracker for iPhone and Apple Watch. It uses your unique metabolism profile to calculate your real-time caffeine level and tell you exactly when you're safe to sleep. Whether you're optimizing your morning coffee routine or making sure that afternoon espresso won't keep you up, Caffeine Rhythm gives you the insights you need to make smarter caffeine choices every day. FEATURES: • Real-time caffeine decay tracking with personalized half-life • Sleep safety countdown — know when you're safe to sleep • Coffee shop menus — Starbucks, Dunkin', McCafé, Costa, Blue Bottle, Peet's, Dutch Bros • Streak tracking and gamification • Apple Watch app with complications • Home Screen and Lock Screen widgets • HealthKit integration — caffeine intake and sleep correlation • Live Activities and Dynamic Island • Smart weekly insights powered by AI SUBSCRIPTION INFORMATION: • Free trial available — try all premium features for 7 days before subscribing • Monthly plan: $2.99/month • Yearly plan: $19.99/year (best value) • Subscription automatically renews unless cancelled at least 24 hours before the end of the current period • Payment will be charged to your Apple ID account at the confirmation of purchase • You can manage and cancel your subscriptions by going to Settings > Apple ID > Subscriptions Privacy Policy: https://hatchingpoint.com/caffeinerhythm/privacypolicy Terms of Use: https://hatchingpoint.com/caffeinerhythm/terms
Screenshots
Verdict
The clearest difference is ads: Hidden Camera Detector at none against Caffeine Rhythm's shown. Hidden Camera Detector also leads on update cadence (every 2 days vs every 3 weeks) and monetization model (free vs freemium). On price, rating, review sentiment 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
Both are free to download. Hidden Camera Detector sells 9 in-app purchases, starting at $6.99 per 7 days and Caffeine Rhythm sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Hidden Camera Detector against 5.0 for Caffeine Rhythm. That said, the two scores are not equally well evidenced: Hidden Camera Detector has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Hidden Camera Detector ships an update every 2 days, Caffeine Rhythm every 3 weeks. The most recent releases landed on October 30, 2026 and October 10, 2026 respectively.
| Parameter | Hidden Camera Detector | Caffeine Rhythm |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 2 days — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 18.1 | 17.0 — better |
| Further details — not scored | ||
| Size | 66 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Artur Karachev | Hatching Point LLC |
Customer experience
Hidden Camera Detector
Caffeine Rhythm
In-app purchases
Hidden Camera Detector
- Premium (1 Week)$6.997 Days
- Premium (1 Week)3 Days trial$6.997 Days
- Premium (1 Month)7 Days trial$7.991 Month
Show 4 moreShow fewer
- Premium (1 Month)$7.991 Month
- Premium (1 Year)$8.991 Year
- Premium (1 Year)$34.991 Year
- Premium (1 Year)3 Days trial$34.991 Year
- Premium (Lifetime)$11.99
- Premium (Lifetime)$44.99
Caffeine Rhythm
- Monthly Premium7 Days trial$1.991 Month
- Yearly Premium7 Days trial$9.991 Year
Questions
Is Hidden Camera Detector free?
Is Caffeine Rhythm free?
Which has better reviews, Hidden Camera Detector or Caffeine Rhythm?
Do Hidden Camera Detector or Caffeine Rhythm have ads?
Which is updated more often, Hidden Camera Detector or Caffeine Rhythm?
Other comparisons















