CalaWeather vs H2Zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalaWeather
Provides hyper-local weather information with high-resolution radar and satellite imagery. Get detailed forecasts, future radar, and severe weather alerts to stay informed and safe.
- 250 meter radar resolution
- High-resolution satellite imagery
- Future radar for severe weather tracking
- Current weather updated multiple times per hour
- Daily and hourly forecasts
- Save favorite locations
- Opt-in severe weather push alerts
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The CalaWeather Mobile Weather App includes: • Access to station content specifically for our mobile users • 250 meter radar, the highest resolution available • High resolution satellite cloud imagery • Future radar to see where severe weather is headed • Current weather updated multiple times per hour • Ability to add and save your favorite locations • Daily and Hourly forecasts updated hourly from our computer models • A fully integrated GPS for current location awareness • Opt-in push alerts to keep you safe in severe weather • Severe weather alerts from the National Weather Service
H2Zero
This service monitors your water tank levels remotely. Receive alerts and track your water supply efficiently. Ideal for ensuring you always have adequate water.
- Remote water tank monitoring
- Level tracking
- Alerts for water supply
- Efficient water management
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H2Zero is a water tank monitoring service.
Screenshots
Verdict
The clearest difference is rating: H2Zero at 5.0 against CalaWeather's 3.0. H2Zero also leads on update cadence (every 3 weeks vs every 2 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
H2Zero holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 6 respectively.
CalaWeather ships an update every 2 months, H2Zero every 3 weeks. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.
| Parameter | CalaWeather | H2Zero |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 4 | 6 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 235 MB | 94 MB |
| Age rating | +4 | 4+ |
| Developer | Lorac Communications Inc. | Shane Woodley |
Customer experience
CalaWeather
H2Zero
In-app purchases
CalaWeather
No in-app purchases
H2Zero
No in-app purchases
Questions
Is CalaWeather free?
Is H2Zero free?
Which has better reviews, CalaWeather or H2Zero?
Do CalaWeather or H2Zero have ads?
Which is updated more often, CalaWeather or H2Zero?
Other comparisons
