Comparison

RRA(SWTIS) vs OceanTides Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Real-time space weather monitoring
  • 3-day space weather forecast
  • Forecasting models and observation data
  • Space weather effects analysis
  • Space weather news and announcements
Features
Read full description

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

About

OceanTides Pro

Features
Read full description

OceanTides Pro brings professional tide predictions to your iPhone and iPad. TIDES • Daily and weekly tide charts with high and low water predictions • Toggle between feet and meters • Browse thousands of stations worldwide, or use your current location MOON • Moon phases and illumination percentage • Moonrise and moonset times • Upcoming moon phase calendar SUN • Sunrise and sunset times • Daylight duration and solar noon Everything works offline — no account required. Station data is stored locally so tide predictions are available anywhere, anytime.

Screenshots

RRA(SWTIS)4 screens
OceanTides Pro4 screens

Verdict

The call

The clearest difference is update cadence: OceanTides Pro at daily against RRA(SWTIS)'s every 4 months. RRA(SWTIS)'s advantage is iOS requirement (14.0 vs 26.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RRA(SWTIS) ships an update every 4 months, OceanTides Pro daily. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 8 level
RRA(SWTIS) versus OceanTides Pro: the parameters behind the verdict, then further details
ParameterRRA(SWTIS)OceanTides Pro
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews85.7% of reviews—
Number of ratings5 — better—
Update frequencyEvery 4 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS14.0 — better26.0
Further details — not scored
Size20 MB14 MB
Age rating4+4+
Developer국립전파연구원Julien Nicolas

In-app purchases

None

RRA(SWTIS)

No in-app purchases

None

OceanTides Pro

No in-app purchases

Questions

Is RRA(SWTIS) free?
RRA(SWTIS) is free to download, with no in-app purchases.
Is OceanTides Pro free?
OceanTides Pro is free to download, with no in-app purchases.
Do RRA(SWTIS) or OceanTides Pro have ads?
Neither RRA(SWTIS) nor OceanTides Pro shows ads.
Which is updated more often, RRA(SWTIS) or OceanTides Pro?
RRA(SWTIS) ships an update every 4 months, and OceanTides Pro daily. Most recently, RRA(SWTIS) was updated on October 8, 2026 and OceanTides Pro on October 15, 2026.

Other comparisons