Serenity EHS vs Polynow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Serenity EHS
This app provides on-the-go professionals with instant access to critical Environmental Health and Safety (EHS) information and tools. It facilitates task management, real-time reporting of findings and hazards, and structured safety inspections. An AI-powered CoPilot offers intelligent recommendations for issue resolution.
- Instant EHS Information Access
- Task Management and Creation
- Real-time Findings and Reporting
- Mobile Safety Inspections
- Hazard Tracking and Resolution
- AI-Powered CoPilot for Issue Resolution
- Access Management
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In the dynamic world of Environmental Health and Safety (EHS), staying ahead means accessing critical information and tools anytime, anywhere. Serenity's mobile app extends the robust capabilities of our trusted desktop applications right into the palm of your hand. Designed for on-the-go professionals, it ensures EHS processes thrive through mobility. Key Features: Instant EHS Access: Get immediate access to essential EHS information for your job site. Whether in the office or on the field, crucial data is at your fingertips. Task Management: View and create tasks with ease. The intuitive design makes managing your EHS responsibilities straightforward, ensuring nothing falls through the cracks. Findings and Reporting: Discover and report findings in real-time. Recording observations and incidents takes just a few taps, enabling faster response and resolution. Safety Inspections: Conduct thorough safety inspections with a mobile-first approach. The app guides you through each step, ensuring comprehensive reviews are performed and logged efficiently. Hazard Tracking: Report and track hazards with precision—from quick reporting to detailed tracking of hazard resolutions, keeping safety a top priority. Safety Walks: Stay ahead of incidents by documenting and reporting risks before they turn into accidents. The new Safety Walks module lets you capture potential hazards as you move through your job site—manually or by recording videos—so issues are identified and addressed early. Risk Assessments & Templates: Perform structured Risk Assessments using templates. Identify job-specific hazards, evaluate risks, and define control measures—all from your mobile device—so every task is evaluated thoroughly and consistently. Access Management: Manage people, groups, and roles within your organization with ease. Structure your teams effectively, control access based on responsibilities, and ensure the right people have the right permissions—onboarding and updates made seamless and secure. AI-Powered CoPilot: At the heart of Serenity's mobile app is its AI CoPilot, designed to assist with resolving hazards, findings, and any issues that arise during inspections. Leveraging advanced AI, the CoPilot provides intelligent recommendations and guidance, enhancing decision-making so safety protocols are not just followed but optimized. Why Serenity? Unmatched Mobility: Carry comprehensive EHS management in your pocket, enabling critical work from anywhere. Enhanced Efficiency: Streamline your EHS processes with tools that minimize administrative time, so you can focus on maintaining a safe and healthy workplace. Data-Driven Insights: With integrated reporting and tracking, gain insights into your EHS performance and use data to drive improvements across your operations. AI-Enhanced Safety: With the AI CoPilot, leverage cutting-edge technology to enhance your safety protocols whenever you need it most. Privacy & Continuous Improvement: To keep making Serenity better, the app now includes usage analytics used exclusively to improve the app experience—never for marketing—and always collected anonymously, with your privacy fully protected. Serenity's mobile app is more than a tool; it's a partner in your EHS journey. By integrating desktop strength with mobile flexibility and AI intelligence, we're leading the future of workplace safety. Empower your team, optimize your operations, and elevate your safety standards with Serenity.
Polynow
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Polynow is a new platform for booking professional interpreters in Japan, in-person or remote, bookable in minutes. Interpretation needs span daily life and major appointments. Polynow connects you with the right professional for both the big moments and the small ones. Where traditional agencies can take days and informal channels rely on luck, Polynow puts a specialty-matched professional in front of you right away — with upfront pricing, secure in-app payment, and chat before you meet. ============== HOW IT WORKS ============== • Browse real interpreters. Read profiles, compare specialties, see reviews. • Pick the person who fits the moment — medical, legal, real estate, business, or other. • See the full price before you book. Pay in-app, powered by Stripe. • Chat with your interpreter before the appointment so everyone shows up ready. ================================ FOR THE MOMENTS THAT MATTER MOST ================================ • Bank account opening • Clinic appointments • Ward office paperwork, driving test • Real estate signings or viewings • School parent meetings • Business meetings, vendor calls, and contract negotiations • Customer service, hospitality, and on-site interpretation • Travel booking ========== COVERAGE ========== Polynow is launching in-person across Tokyo and Yokohama. Remote across Japan. Locations and languages will be added as our marketplace grows ====================== ARE YOU AN INTERPRETER? ====================== Polynow is built around your craft. Polynow brings client requests directly to you. Booking requests are pre-matched to your language pair, specialty, location, and availability. Run your practice, set your terms, and get matched with clients who need exactly what you do — full-time or alongside other work. ==================================== INTERPRETER – EARLY LAUNCH PROMOTION ==================================== Interpreters who sign-up and complete their profiles during our early launch phase will receive reduced, Gold level, commission (16%). Promotion available through July 2026 and reduced commission rate will apply through December 31, 2026. ==================================== WHY WE EXIST ==================================== No one should miss a critical moment because of language barriers. Polynow was built to eliminate obstacles to connecting across languages, while also respecting the cultural nuances of building meaningful relationships here in Japan. Polynow. Language support, on demand. Questions or feedback: hello@polynow.app Privacy: www.polynow.app/privacy Terms: www.polynow.app/terms
Screenshots
Verdict
The clearest difference is update cadence: Polynow at every 3 weeks against Serenity EHS's every 2 months. On price, ads, in-app purchases and device support 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.
Serenity EHS ships an update every 2 months, Polynow every 3 weeks. The most recent releases landed on July 17, 2026 and September 19, 2026 respectively.
| Parameter | Serenity EHS | Polynow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 47 MB | 103 MB |
| Age rating | 4+ | 17+ |
| Developer | Serenity EHS, Inc. | Bionis LLC |
In-app purchases
Serenity EHS
No in-app purchases
Polynow
No in-app purchases









