Fosiva vs One Mekong
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fosiva
Get real-time information and alerts about natural hazards like fires, floods, and weather warnings. This free, multilingual app provides official data and guidance for effective response and environmental awareness.
- Real-time hazard maps
- Interactive fire risk map
- Flood risk mapping
- Weather warning notifications
- Official safety guidance
- Environmental awareness information
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Fires, mountain closures, floods, weather warnings... FOSIVA provides real-time information and helps you respond effectively to natural hazards. A free, simple, and multilingual application designed for citizens and local stakeholders. INTERACTIVE MAP: - Fire risk and mountain access map - Flood risk map - Weather warning map REAL-TIME ALERTS: - Notifications to alert you of mountain closures, weather warnings, and major events OFFICIAL DATA: - The right actions to take in case of danger - Environmental and biodiversity awareness in the Mediterranean - First aid measures The data comes from official sources. They are collected from public stakeholders, such as the Entente Valabre, departmental prefectures, Vigicrues, and Météo-France. CONTACT US Contact us at contact@fosiva.fr for any questions.
One Mekong
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The MRC One Mekong Mobile App is developed to support the information sharing of MRC Core River Monitoring Network (CRMN) Functions. These include Water Quality Monitoring, Hydrology Monitoring, Sediment Monitoring, Environmental Health Monitoring, Fisheries Monitoring, Climate and Precipitation Monitoring, Hydropower operation, and Flood and Drought Monitoring and Forecasting. The primary objectives of the MRC mobile app are to: i) Send push notifications and alerts for flood, drought, weather and disaster warnings, ii) Improve the reporting and sharing of MRC's river monitoring functions with a user-friendly interface, iii) Present an interactive map with customizable layers to effectively correlate remote sensing and ground data, iv) integrate AI technology for autogenerated weather reports and impact simulations, v) Enable users to view live CCTV from various monitoring stations, vi) Introduce iReport features for a community-based early warning system, allowing users to share flood, drought, and livelihood incidents with photos, locations, and comments,
Screenshots
Verdict
The clearest difference is update cadence: One Mekong at fortnightly against Fosiva'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.
Fosiva ships an update every 2 months, One Mekong fortnightly. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.
| Parameter | Fosiva | One Mekong |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 90.0% of reviews | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 91 MB | 147 MB |
| Age rating | 4+ | 4+ |
| Developer | Physis | Thanawat Wetchapan |
In-app purchases
Fosiva
No in-app purchases
One Mekong
No in-app purchases









