MobileDetect vs Spanish SFST
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
Spanish SFST
This app assists law enforcement officers in administering Standardized Field Sobriety Tests (SFST) in Spanish. It provides clear audio prompts and translations to ensure effective communication and fair testing for Spanish-speaking individuals.
- Spanish audio prompts for instructions
- Spanish Miranda warning
- Step-by-step guidance for SFST components
- Case law supporting app usage
- Streamlined navigation
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Spanish SFST is a practical, reliable tool built to help law enforcement officers administer Standardized Field Sobriety Tests (SFST) in Spanish. By delivering clear, accurate translations, the app bridges language barriers, supports effective communication, and ensures fair, consistent testing in diverse communities. Officers can easily play spoken instructions aloud in Spanish, providing clarity for individuals being tested while maintaining accuracy in the process. With streamlined navigation and step-by-step guidance, Spanish SFST covers every component of the field sobriety tests. Key features include: - Audio prompts for each instruction - Spanish Miranda warning FAQ section to address common questions Whether used during roadside assessments or in training, Spanish SFST empowers officers with the tools they need to conduct sobriety testing with confidence, efficiency, and fairness. Case law supporting the usage of this app: Wisconsin v Alejandro Herrera Ayala: The Wisconsin Court of Appeals addressed the admissibility of SFSTs administered in Spanish. The court found that the SFSTs were administered properly according to NHTSA guidelines. It was established that Ayala understood the instructions given in Spanish, and there was no evidence suggesting that the language of administration had compromised the reliability of the tests. Therefore, the court upheld the admissibility of the SFST results, highlighting that proper procedural compliance and the suspect’s comprehension were the key factors, not the specific language used. United States v. Horn: This case highlights the importance of administering SFSTs in strict accordance with NHTSA standards, focusing on the scientific reliability and proper execution of the tests rather than the language used. It serves as an example where adherence to standardized procedures can validate test results in any language, including Spanish. Rodriguez v. Texas (2013): This case involved the admissibility of SFSTs, emphasizing that the proper administration of the tests according to established protocols is crucial. The language of administration, including Spanish, does not impact the admissibility as long as the tests are conducted correctly.
Screenshots
Verdict
The clearest difference is price: MobileDetect at Free against Spanish SFST's $2.99. MobileDetect also leads on update cadence (every 6 weeks vs every 9 months) and device support (3 vs 1). Spanish SFST's advantage is review sentiment (100% vs 82%). On rating, ratings volume, 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
MobileDetect is free to download; Spanish SFST costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Spanish SFST holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 25 and 10 respectively. Written reviews point the same way: 82% of MobileDetect's written reviews are positive against 100% of Spanish SFST's.
MobileDetect ships an update every 6 weeks, Spanish SFST every 9 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.
| Parameter | MobileDetect | Spanish SFST |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.4 (25 ratings) | 4.6 (10 ratings) — better |
| Positive reviews | 81.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 25 — better | 10 |
| Update frequency | Every 6 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 224 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | DetectaChem, LLC | Jacob Capito |
Customer experience
MobileDetect
Spanish SFST
In-app purchases
MobileDetect
No in-app purchases
Spanish SFST
No in-app purchases









