Geocene vs HydraAtlas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Geocene
Interact with Geocene Dots by starting and stopping missions, downloading data, and viewing or editing mission details. This utility app allows for comprehensive management of your Geocene Dot interactions.
- Interact with Geocene Dots
- Start and stop missions
- Download mission data
- View mission data
- Edit mission data
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Use the Geocene application to interact with Geocene Dots. You can use the application to start and stop missions, download data, and view and edit mission data.
HydraAtlas
This app provides detailed flood risk information for any US location using official FEMA data. It offers real-time updates on stream gauges, weather alerts, and radar, helping users make informed decisions about potential flood hazards.
- FEMA flood zone mapping
- USGS stream gauge readings
- National Weather Service alerts
- Interactive weather radar
- Save monitored locations
- Emergency preparedness info
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The purpose of this app is to help inform users of where flood risk exists. You will be able to pull up official US FEMA Flood zone information and run an analysis for any location in the United States. This app primariliy depends on and uses Open Data from the U.S. Government. Therefore, it's really only applicable in the United States, for now. HydraAtlas is your comprehensive flood monitoring companion. Get real-time data from official sources, including: FEMA flood zones, USGS stream gauges, Rain Gauges, real-time Weather, and National Weather Service alerts. Key Features: Live FEMA flood zone mapping Real-time USGS stream gauge readings National Weather Service weather alerts Interactive weather radar Save important locations for monitoring Emergency preparedness information HydraAtlas combines official government data sources to help you make informed decisions about flood risks in your area. Perfect for homeowners, travelers, and anyone who needs reliable flood information. Data sources: FEMA, USGS, National Weather Service
Screenshots
Verdict
The clearest difference is update cadence: HydraAtlas at every 4 days against Geocene's every 5 weeks. Geocene's advantage is iOS requirement (13.0 vs 17.6). On price, rating, review sentiment and ratings volume 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.
On the App Store both sit at effectively the same score — 5.0 for Geocene against 5.0 for HydraAtlas. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Geocene ships an update every 5 weeks, HydraAtlas every 4 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Geocene | HydraAtlas |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 5 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 11 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Geocene Inc. | Kevin Bullock |
Customer experience
Geocene
HydraAtlas
In-app purchases
Geocene
No in-app purchases
HydraAtlas
No in-app purchases
Questions
Is Geocene free?
Is HydraAtlas free?
Which has better reviews, Geocene or HydraAtlas?
Do Geocene or HydraAtlas have ads?
Which is updated more often, Geocene or HydraAtlas?
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