# Crystal Cove Tides vs EclipseTimesCalc

The clearest difference is update cadence: EclipseTimesCalc at every 4 months against Crystal Cove Tides's every 40 months. Crystal Cove Tides's advantage is iOS requirement (12.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Crystal Cove Tides ships an update every 40 months, EclipseTimesCalc every 4 months. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Crystal Cove Tides | EclipseTimesCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 4 months** |
| Size | 18 MB | 5 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gearley](https://appshunter.io/developer/397702726) | [robert hawley](https://appshunter.io/developer/1567295439) |

## What reviewers say

### Crystal Cove Tides

[App page](https://appshunter.io/ios/app/crystal-cove-tides/id994073788)

**In-app purchases:** none


### EclipseTimesCalc

[App page](https://appshunter.io/ios/app/eclipsetimescalc/id1567295437)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Crystal Cove Tides free?

Crystal Cove Tides is free to download, with no in-app purchases.

### Is EclipseTimesCalc free?

EclipseTimesCalc is free to download, with no in-app purchases.

### Do Crystal Cove Tides or EclipseTimesCalc have ads?

Neither Crystal Cove Tides nor EclipseTimesCalc shows ads.

### Which is updated more often, Crystal Cove Tides or EclipseTimesCalc?

Crystal Cove Tides ships an update every 40 months, and EclipseTimesCalc every 4 months. Most recently, Crystal Cove Tides was updated on September 29, 2026 and EclipseTimesCalc on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*