Comparison

My Tides vs Moonwater

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

Head to head
About

My Tides

Get precise tidal predictions for over 6,000 stations worldwide, entirely offline. Access live tide charts, detailed tables, moon phases, and sun events. Plan your outdoor activities with home screen widgets and Apple Watch support.

Highlights
  • Offline tide predictions
  • Live tide charts
  • Detailed tide tables
  • Moon phases and sun events
  • Home screen widgets
  • Apple Watch app
  • Siri and Shortcuts support
Features
Read full description

Know the tides before you go. Whether you're fishing, surfing, sailing, or exploring the coast, MyTides gives you precise tidal predictions for 6,000+ stations worldwide — entirely offline, right on your device. No internet required. Works anywhere, anytime. LIVE TIDE CHART See today's tide curve at a glance. A live marker tracks the current water level, while high and low tide times are clearly labeled. Scroll through days to plan ahead without ever needing a connection. DAILY CALENDAR Swipe through any date to see the full tidal picture. Each day shows the tidal range with high and low extremes. Moon phase icons mark new moons, full moons, and quarter phases. Tap any day to jump to its tide chart. DETAILED TIDE TABLES Browse tide data in a beautiful card-based layout. Every card includes a mini tide chart, all high and low tides with exact times and heights, tide coefficients, sunrise, sunset, moonrise, and moonset times. FIND ANY STATION Search by name, region, or country, or explore the interactive map. With 6,000+ stations spanning every ocean and coastline, your favorite spot is covered. Recent stations are saved for quick access. 100% OFFLINE All tide calculations happen on-device using harmonic analysis. No internet required. Open the app anywhere — on the boat, at the beach, or off the grid — and get accurate predictions instantly. MOON PHASES & SUN EVENTS Every screen includes moon phase, illumination percentage, sunrise, and sunset times. Plan around daylight and lunar cycles for the best fishing, diving, or photography conditions. TIDE COEFFICIENTS Understand the strength of each tide. Coefficients help anglers, sailors, and coastal explorers pick the best days for their activities. HOME SCREEN WIDGETS See tide info without opening the app. Small, medium, large, and extra large widgets show the next high or low tide, the current water level, and a live countdown right on your Home Screen. APPLE WATCH Check tides from your wrist. The companion app and complications keep tide times accessible when you're on the water. SIRI & SHORTCUTS Ask Siri "What's the tide?" or build custom automations with the Shortcuts app. Hands-free tide info when you need it most. WHY USERS LOVE MYTIDES • 6,000+ tide stations worldwide • Works offline — all data computed on your device • No tracking — your data stays on your device • Live tide chart with current water level • Daily calendar with tidal range overview • Detailed tide tables with heights and times • Tide coefficients for every extreme • Moon phases with illumination percentage • Sunrise, sunset, moonrise, and moonset • Interactive station map • Home Screen widgets in four sizes • Apple Watch app with complications • Siri voice queries and Shortcuts support • Designed for iOS 26 with Liquid Glass Privacy first: MyTides does not collect any personal data. All computations are performed locally on your device.

About

Moonwater

Features
Read full description

Moonwater shows the tide for your current location the moment you open it, in a smooth, beautiful chart. • Automatic location, or search any coastal place in the world • Scrollable sea-level chart with the current height, the next high and low water, and whether the tide is rising or falling • Scrub through the chart to read the height at any moment • Home-screen widget for your last viewed location • Available in Dutch, English, German, and French Tide and sea-level data come from Open-Meteo (MeteoFrance SMOC model). Note: Moonwater is for general information only and is not suitable for navigation. It does not replace an official tide table or nautical almanac.

Screenshots

My Tides4 screens
Moonwater4 screens

Verdict

The call

The clearest difference is in-app purchases: Moonwater at none against My Tides's 2. My Tides's advantage is update cadence (every 3 days vs every 3 weeks) and device support (4 vs 2). On price and ads 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. My Tides sells 2 in-app purchases, starting at $8.99 per year. Moonwater asks for nothing beyond the download.

UpkeepUpdate frequency

My Tides ships an update every 3 days, Moonwater every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 4 level
My Tides versus Moonwater: the parameters behind the verdict, then further details
ParameterMy TidesMoonwater
PriceFreeFree
Positive reviews23.5% of reviews—
Update frequencyEvery 3 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad
Requires iOS18.0 — better27.1
Further details — not scored
Size122 MB5 MB
Age rating4+4+
DeveloperAgustin PratsJeroen Zonneveld

In-app purchases

2 purchases

My Tides

Subscriptions1
  • Yearly Subscription$8.991 Year
One-time1
  • Lifetime Access$24.99
None

Moonwater

No in-app purchases

Questions

Is My Tides free?
My Tides is free to download, with in-app purchases available.
Is Moonwater free?
Moonwater is free to download, with no in-app purchases.
Do My Tides or Moonwater have ads?
Neither My Tides nor Moonwater shows ads.
Which is updated more often, My Tides or Moonwater?
My Tides ships an update every 3 days, and Moonwater every 3 weeks. Most recently, My Tides was updated on November 3, 2026 and Moonwater on October 31, 2026.

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