Comparison

SISMO® vs Nautide

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

Head to head
About

SISMO®

Read full description

Aumente a eficiência do seu terminal, porto ou operações offshore, tendo em suas mãos informações meteo-oceanográficas em tempo real. O SISMO® é o Sistema de Informações Meteo-Oceanográficas em Tempo Real criado pela HidroMares. Todas as atividades, desde a escolha do equipamento, a importação e venda, até a instalação e a integração dos sensores meteo-oceanográficos são realizadas pela nossa equipe. Atuamos desta forma porque sabemos que todos esses passos são fundamentais para a excelência das operações. Para isso, também é nossa responsabilidade a manutenção das estações e a transmissão dos dados. Fundada em 2002, a HidroMares fornece serviços e equipamentos nas áreas de oceanografia e meteorologia. Com uma equipe multidisciplinar de alto nível, investimentos maciços em tecnologia e com experiência comprovada, desenvolvemos e oferecemos soluções completas, agregando serviços e equipamentos. Desta forma, somos capazes de proporcionar aos nossos clientes operações mais seguras e eficientes, diminuindo custos e, também, zelando pelo meio ambiente. Nossa sede está estrategicamente localizada na cidade de Santos/SP, berço do maior porto da América Latina e importante pólo industrial e corporativo, e mantemos negócios e clientes em várias regiões do país e da América Latina, nos destacando no fornecimento e análise de dados meteo-oceanográficos em tempo real.

About

Nautide

Plan your maritime activities with comprehensive data on tides, waves, wind, and weather. Access detailed charts and forecasts for over 25,000 coastal stations worldwide, including fishing activity predictions and astronomical information.

Highlights
  • Tide charts and tables
  • Surf swell height and direction
  • Fish activity and solunar periods
  • Sunrise, sunset, and moon phases
  • Wind speed and direction
  • Coastal weather conditions
  • Marine open water forecast
Features
Read full description

All the information you need to know to plan activities at sea in a simple and practical app. More than 25,000 coastal stations around the world. TIDES Daily tide charts and tidal coefficient. High tides and low tides. Tides height. Monthly tide table. Tides for fishing. SURF Height and direction of the swell, wave period, hourly surf table. FISH ACTIVITY Hourly activity chart and solunar periods with the best fishing moments of every day. Monthly activity table with daily fish activity and major and minor fishing periods. SUN AND MOON Sunrise, sunset, moonrise, moonset, azimut, moon phases, eclipses, transits and other astronomical data. BAROMETER Fishing barometer, pressure graph and hourly pressure table with trend indicator. WIND Wind at land and wind at sea: wind speed, wind gust, wind force, land and sea conditions and hourly wind table. WEATHER Weather conditions at coast: Cloud cover, visibility, temperature, precipitation, wind chill, humidity, dew point and hourly weather table. MARINE Open water forecast for marine/sailing. Includes all weather indicators and also the water temp. Hourly marine table. AIR QUALITY Major air pollutants, particulate matter, hour-by-hour forecast. ----------------- Free download with restrictions. Requires suscription to activate all the sections and remove the ads. Terms of use: https://nautide.com/usage-terms © tides4fishing official app

Screenshots

SISMO®3 screens
Nautide4 screens

Verdict

The call

The clearest difference is in-app purchases: SISMO® at none against Nautide's 2. SISMO® also leads on ads (none vs shown) and update cadence (monthly vs every 3 months). Nautide's advantage is chart position (#58 vs unranked) and device support (3 vs 1). On price 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. Nautide sells 2 in-app purchases, starting at $6.99 per month. SISMO® asks for nothing beyond the download.

UpkeepUpdate frequency

SISMO® ships an update monthly, Nautide every 3 months. Both last shipped on November 2, 2026.

Scorecard6 real differences · 5 level
SISMO® versus Nautide: the parameters behind the verdict, then further details
ParameterSISMO®Nautide
PriceFreeFree
Rating—4.8 (3.4K ratings) — better
Positive reviews—67.1% of reviews
Number of ratings—3.4K — better
Update frequencyMonthly — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank—#58 — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size23 MB64 MB
Age rating4+4+
DeveloperHidromaresIgoox

Bugs and requests

SISMO®

Not enough reviews yet to summarise bugs or requests.

Nautide

Reported bugs

3 issues
  • Paid subscription issues (e.g. not working, no access to content)
  • App freezing or crashing
  • Incorrect data display (e.g. water temperature)

Requested features

4 requests
  • Landscape mode support for tablets
  • Ability to link forecasts to specific weather stations
  • Integration with Apple Watch
  • Offline access to data

In-app purchases

None

SISMO®

No in-app purchases

2 purchases

Nautide

Subscriptions2
  • Nautide PRO Monthly$6.991 Month
  • Nautide PRO Annual7 Days trial$44.991 Year

Questions

Is SISMO® free?
SISMO® is free to download, with no in-app purchases.
Is Nautide free?
Nautide is free to download, with in-app purchases available.
Do SISMO® or Nautide have ads?
Nautide shows ads; SISMO® does not.
Which is updated more often, SISMO® or Nautide?
SISMO® ships an update monthly, and Nautide every 3 months. Most recently, SISMO® was updated on November 2, 2026 and Nautide on November 2, 2026.

Other comparisons