e vs BOTzie
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
e
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The Early Warning System e-REWA (EWS) app is a public safety and alert platform designed for anyone living in or near flood-prone areas, including communities close to dams, rivers, bridges, canals, and low-lying zones. Whether you are a resident, traveler, farmer, local business owner, housing society member, or public authority, the app helps you stay informed and prepared during rising water levels or flood risks. Key Features for Everyone Live Water Level Monitoring: View real-time water levels from nearby rivers, dams, or water structures. Automatic Safety Alerts: Receive instant notifications when water levels reach warning or danger thresholds. Flood Forecast & Early Warnings: Stay updated with predictive insights to plan ahead. Community Access: Anyone can download the app and create an account to receive alerts for their preferred location. Authority Dashboard (Optional): Local agencies or infrastructure operators can manage sensors and broadcast alerts—but alert access is open to all citizens. EWS is built to empower both authorities and the general public with timely, life-saving information. By improving awareness and response time, the app helps reduce risks and protect lives. Download now to stay alert, stay safe, and stay prepared.
BOTzie
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BOTzie allows you to control Wi‑Fi and Bluetooth connected robot cars, drones, and smart hardware wirelessly using your phone. Whether you are into Robotics, STEM Learning, IoT Experiments, DIY Projects, or Remote Vehicles, BOTzie gives you seamless and precise control through multiple control modes. Key Features: • Smooth remote and joystick-based movement control • Wi‑Fi and Bluetooth connectivity support • Terminal mode for sending direct commands • Live graph view for sensor and telemetry monitoring • Voice control for supported movement commands • Downloadable sketch files for supported kits • STOP / RESUME style safety actions • Clean and intuitive interface • Great for STEM education, robotics practice, IoT testing, and DIY automation Compatible with AI & Robotics Kit, AI & IoT Kit, and other supported Wi‑Fi/Bluetooth robotics projects.
Screenshots
Verdict
The clearest difference is update cadence: e at fortnightly against BOTzie's every 6 weeks. 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.
e ships an update fortnightly, BOTzie every 6 weeks. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.
| Parameter | e | BOTzie |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 23 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Responscity Systems Private Ltd. | STEMbotix Private Limited |
In-app purchases
e
No in-app purchases
BOTzie
No in-app purchases









