The Wave Clock vs DayLength
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Wave Clock
This app provides real-time oceanographic data for coastal locations. View wave heights, periods, and tide information at a glance through an intuitive analog interface. Customize updates for your favorite spots.
- Customizable coastal location updates
- Intuitive analog interface
- Wave heights and period display
- Tide heights and trend
- Real-time oceanographic data
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Allowing us to view the ocean to us in a brand new way is the Wave Clock! The wave Clock is a simple intuitive clock to see everything we need for our favorite spots on the coast at a glance. The Wave Clock offers: •Customization to give constant updates for your coastal location of interest out of many hundreds of locations •Intuitive analog interface •Wave heights and period •Tide heights and trend The Wave Clock queries real-time oceanographic databases customized to the location of your interest and displays the information in an intuitive analog interface. The Wave Clock app can show you at glance or sit on your desk to give you an accurate view of just what’s happening out there. Just set it up for your location so that you don’t have to search to see what’s happening when it matters … NOW!
DayLength
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Will it still be light when you finish work? Can you fit a run outside before sunset in December? DayLength answers these questions precisely, for any day of the year, anywhere on Earth. Enter any geographic coordinates or search for a city. DayLength calculates sunrise, sunset, and total daylight duration for every day of the year using the NOAA solar calculation algorithm — the same method used in scientific and navigational systems. All computation happens on your device, instantly, with no network required. HOW IT WORKS Open the app and enter your location — type coordinates manually or search by city name. Tap Explore Daylight. An interactive annual chart appears, showing how day enght changes across every day of the year. Drag your finger across the chart to explore any date: the exact sunrise, sunset, and total daylight hours update in real time. The app automatically detects polar phenomena — midnight sun and polar night — for high-latitude locations such as Reykjavik, Tromsø, or Anchorage. KEY FEATURES • Annual daylight chart with drag-to-explore interaction • Precise sunrise and sunset times for any date • Total daylight duration in hours and minutes • Polar night and midnight sun detection for extreme latitudes • City search powered by Apple Maps • Manual coordinate input with quick presets • Fully offline — all calculations run on-device, no internet required • Day/Night progress bar PRIVACY FIRST No account. No sign-up. No tracking. No ads. No subscriptions. Your coordinates are stored only on your device. City search uses Apple's MapKit framework. DayLength makes no network requests of its own.
Screenshots
Verdict
The clearest difference is device support: The Wave Clock at 3 against DayLength's 1. On price, ads, in-app purchases 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.
| Parameter | The Wave Clock | DayLength |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (5 ratings) — better | — |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 153 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Wave Cast, LLC | PIERO BOZZOLO |
In-app purchases
The Wave Clock
No in-app purchases
DayLength
No in-app purchases
Questions
Is The Wave Clock free?
Is DayLength free?
Do The Wave Clock or DayLength have ads?
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