CelsiUSA vs OceanTides Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CelsiUSA
Read full descriptionHide full description
CelsiUSA is our app to help you switch to Celsius the easy way. Most of the world uses Celsius, but the US still uses Fahrenheit. Change is hard, but also good and it's time for us to change Celsius to the standard. Privacy: https://doorhingeparkour.com/privacypolicy.html EULA: https://doorhingeparkour.com/eula.html
OceanTides Pro
Read full descriptionHide 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
Verdict
The clearest difference is in-app purchases: OceanTides Pro at none against CelsiUSA's 1. OceanTides Pro also leads on update cadence (daily vs every 7 months). CelsiUSA's advantage is iOS requirement (16.0 vs 26.0). On price, ads 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. CelsiUSA sells 1 one-off in-app purchase. OceanTides Pro asks for nothing beyond the download.
CelsiUSA ships an update every 7 months, OceanTides Pro daily. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.
| Parameter | CelsiUSA | OceanTides Pro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 12 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrew Myers | Julien Nicolas |
In-app purchases
CelsiUSA
- Remove Ads$1.99
OceanTides Pro
No in-app purchases
