Suntain vs BeachDaze
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Suntain
Visualize the sun's position and trajectory based on your location and date. Get sunrise and sunset times, including when the sun appears or disappears behind terrain. Access annual data on daylight and sunshine duration.
- Sun position and trajectory visualization
- Horizon sunrise and sunset times
- Sunrise/sunset behind terrain
- Annual sunrise/sunset data
- Daylight and sunshine duration
- Sunshine duration analysis
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This application visualize position and trajectory of the sun, based on location and date. It provides: - Horizon (sea level) Sunrise and sunset time - Sunrise and sunset behind terrain/mountain: When sun appears and disappears! Annual information of the specified location is also available: sunrise and sunset along the year, daylight and sunshine duration for every day. On top of this, number of days with more (or less) than a specific amount of sunshine duration is available.
BeachDaze
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All core features work without an internet connection, so when you're off the grid, you're still informed. Tides are calculated using harmonic analysis from over 3,000 stations worldwide. Sun, moon, and UV data use proven astronomical algorithms - no API keys or complex configuration needed. View Your Day The classic card view for quick conditions at a glance, or the chronological Timeline view - every event from moonset to last tide, with a live UV intensity bar that changes colour as the day progresses. Features - Golden hour and blue hour times with calendar reminders - Sunrise, sunset, and daylight duration - Moon phase, illumination, moonrise and moonset - High and low tide predictions with interactive chart - Automatic tide station selection with manual override - Station timezone support for remote locations - Works at over 6,000 tide stations globally - UV Index with manual cloud cover adjustment and peak forecast - Astronomical events in tonights sky - Configurable notifications for beach events - Convergence finder - next Low Tide at Golden Hour - Customizable dashboard - show, hide, and reorder cards - AlarmKit countdown for golden hour and blue hour (iOS 26+)
Screenshots
Verdict
The clearest difference is update cadence: BeachDaze at every 5 days against Suntain's every 4 months. Suntain's advantage is iOS requirement (12.0 vs 17.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Suntain ships an update every 4 months, BeachDaze every 5 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.
| Parameter | Suntain | BeachDaze |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 54 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Jacques DUMAREST | Monowai Pte. Ltd. |
In-app purchases
Suntain
No in-app purchases
BeachDaze
No in-app purchases









