MobileDetect vs Otpkey Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MobileDetect
This app transforms your smartphone into a presumptive drug detection tool using specialized test pouches. It offers automated results in seconds for a wide range of substances, with features for report creation and sharing.
- Automated drug detection
- Detects multiple substances
- Non-visible residue testing
- Test reports with GPS and images
- Instant report sharing
- Tutorial mode and training videos
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MobileDetect Brings Automated Drug Detection to the Masses The revolutionary MobileDetect app converts your smartphone or tablet into a portable, presumptive drug detection tool. The app works with MobileDetect drug pouches which are innovative, highly accurate, low-cost test kits that use recognized National Institute of Justice chemical reagents to produce color reactions specific to different drugs. Substances Detected: • Fentanyl, Heroin, Cocaine, Methamphetamine • CBD and THC - Hemp, Marijuana, Vape, Edibles, Oils, more • Synthetics – K2, K3, Spice, Bath Salts, etc • Oxycodone and other over the counter substances • GHB, PCP, LSD and Mushrooms • Gunshot Residue Ultra-Simple and Safe Testing: 1. Simply remove the test swab from the MobileDetect pouch 2. Test the substance or area of interest with swab 3. Insert the swab back into the pouch 4. Break the chemical reagents in the pouch 5. Wait for the color reaction 6. Scan the pouch QR code with the MobileDetect app for automated results Features: • Automated detection results in seconds • Detect multiple drugs in one test pouch • Non-visible residue and bulk testing • Create test reports with GPS mapping, images, notes, time, date and more • Instantly share created test reports via email or text • Tutorial mode and HD training videos DetectaChem is constantly expanding MobileDetect Pouch offerings to keep up with the evolving detection needs. Visit www.DetectaChem.com for a full list of MobileDetect pouch offerings. For the first time ever, Raman chemical identification technology is now available on smart devices***, only with the MobileDetect App! THE APEX R7 RAMAN SPECTROMETER: - Unbeatable 24,000 substance library - Most affordable identification device available - Get accurate results in seconds - Absolutely no scan limits - Analysis and reporting on the MobileDetect App Welcome to effortless identification. *Requires MobileDetect Pouches for Automated Detection **Results obtained from the Mobile Detect system are presumptive only. *** Requires the APEX R7 Raman Spectrometer
Otpkey Authenticator
Enhance your online security with multi-factor authentication. This app generates one-time passwords for various services, even offline, and supports standard TOTP/HOTP protocols. It offers features like QR code scanning, auto-hiding codes, and biometric authentication.
- Multi-factor authentication
- Offline OTP generation
- QR code scanning and export
- Biometric authentication support
- Clipboard code copying
- Widget and Watch App support
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Otpkey Authenticator generates one-time passwords for two-factor authentication on iPhone, iPad, Mac and Apple Watch, and keeps them in sync through iCloud Keychain. It works completely offline. No account, no server: your secrets stay in the system Keychain on your devices, protected by your passcode, Face ID or Touch ID. Otpkey Authenticator works with every service that supports standard TOTP or HOTP codes, including Google, Microsoft, Amazon, GitHub, Facebook, X, Dropbox, Discord, PayPal, AWS, Synology and many more. Switching from Google Authenticator? Scan its "Export accounts" QR code and all of your accounts are imported at once. Features ======= - Available for iPhone, iPad, Mac and Apple Watch, synced through iCloud Keychain - Folders and search to organize many accounts - Scan QR codes to add accounts - Import all accounts from a Google Authenticator export QR code - Export any account as a QR code - Encrypted, password-protected backup and restore (PEM file format) - Face ID / Touch ID lock - Hide codes on screen, copy with one tap - Custom account icons - iOS: Home Screen widgets (small, medium and large) - iOS: Apple Watch app with complication - macOS: Lives in the menu bar, always one click away - macOS: Scan QR codes straight from the screen - macOS: Launch at login, auto hide - macOS: Drag and drop Specifications =========== - Type: Time-based (TOTP), Counter-based (HOTP) - Algorithm: SHA-1, SHA-256, SHA-512 - Digits: 6, 8, 10 - Period: 30, 60 seconds Standards ======= TOTP - Time-based One-Time Password Algorithm (RFC 6238) HOTP - HMAC-Based One-Time Password Algorithm (RFC 4226)
Screenshots
Verdict
The clearest difference is rating: MobileDetect at 4.4 against Otpkey Authenticator's 1.0. MobileDetect also leads on review sentiment (82% vs 50%) and ratings volume (25 vs 2). Otpkey Authenticator's advantage is device support (5 vs 3). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MobileDetect holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: MobileDetect has 25 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 82% of MobileDetect's written reviews are positive against 50% of Otpkey Authenticator's.
MobileDetect ships an update every 5 weeks, Otpkey Authenticator every 2 months. The most recent releases landed on August 14, 2026 and October 2, 2026 respectively.
| Parameter | MobileDetect | Otpkey Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (25 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 81.8% of reviews — better | 50.0% of reviews |
| Number of ratings | 25 — better | 2 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 206 MB | 22 MB |
| Age rating | 17+ | 4+ |
| Developer | DetectaChem, LLC | Certchip Corp |
Customer experience
MobileDetect
Otpkey Authenticator
In-app purchases
MobileDetect
No in-app purchases
Otpkey Authenticator
No in-app purchases
Questions
Is MobileDetect free?
Is Otpkey Authenticator free?
Which has better reviews, MobileDetect or Otpkey Authenticator?
Do MobileDetect or Otpkey Authenticator have ads?
Which is updated more often, MobileDetect or Otpkey Authenticator?
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