RRA(SWTIS) vs SkyCast Radar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RRA(SWTIS)
This app provides real-time space weather data, forecasts, and alerts. It monitors solar activity and its potential effects on Earth, including impacts on aviation, satellites, and power grids.
- Real-time space weather monitoring
- 3-day space weather forecast
- Forecasting models and observation data
- Space weather effects analysis
- Space weather news and announcements
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What is the Solar flare? What's going on around the Sun and the Earth ? So, the KSWC finally developed this space weather mobile APP. It is expected that this APP is a portal site of the space weather, and provides the observation data, forecasting models and SWx monitors in real time. The KSWC was formally established as such in 2011, and 14th member of ISES(International Space Environment Service). The KSWC has dreamed of "the safety Korea without space weather disaster" by accurate forecasts and prompt alerts. The main features 1. Space weather now 2. 3-day forecast of space weather 3. forecasting models and observation data 4. Space weather effects(Aviation, satellites, GNSS, Power Grids, Communications) 5. NEWS and announcement of of KSWC The KSWC(Korea Space Weather Center) of RRA(Radio Research Agency) http://www.spaceweather.kasa.go.kr E-mail spaceweather@korea.kr
SkyCast Radar
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Track Every Drop. Forecast Every Flake. Rain & Snow Map is your premium, ultra-responsive weather utility designed for precision and clarity. Whether you’re planning your morning commute or tracking a winter storm, our live radar and smart alerts keep you one step ahead. WHY CHOOSE RAIN & SNOW MAP? Powered by the industry-leading Apple WeatherKit, we provide hyper-local data with a stunning, high-performance map interface that feels smooth on every device. KEY FEATURES: Real-Time Weather Radar: View high-definition rain and snow radar with fluid animations. See exactly where the storm is headed. Smart Precipitation Alerts: Get instant notifications when rain or snow is detected near your location. Know if it's a light drizzle or a heavy downpour before it hits. Daily Frost Warnings: Protect your garden and your car! Receive a proactive alert if tomorrow’s temperature is forecast to drop near freezing (2°C/35°F). Pulsing Location Tracking: Our premium blue-dot marker ensures you always know exactly where you are relative to incoming weather. Privacy First: No invasive tracking. We respect your data and only use location to provide accurate, local alerts.
Screenshots
Verdict
The clearest difference is ads: RRA(SWTIS) at none against SkyCast Radar's shown. SkyCast Radar's advantage is update cadence (every 3 days vs every 4 months). On price, in-app purchases, device support and iOS requirement 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.
RRA(SWTIS) ships an update every 4 months, SkyCast Radar every 3 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.
| Parameter | RRA(SWTIS) | SkyCast Radar |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 4 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 20 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | 국립전파연구원 | Faruque Ahamed Mollick |
In-app purchases
RRA(SWTIS)
No in-app purchases
SkyCast Radar
No in-app purchases
Questions
Is RRA(SWTIS) free?
Is SkyCast Radar free?
Do RRA(SWTIS) or SkyCast Radar have ads?
Which is updated more often, RRA(SWTIS) or SkyCast Radar?
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