# Eclipse Countdown vs HALO Eclipse Moments

The clearest difference is price: HALO Eclipse Moments at Free against Eclipse Countdown's $1.99. HALO Eclipse Moments also leads on update cadence (every 6 days vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

HALO Eclipse Moments is free to download; Eclipse Countdown costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Eclipse Countdown ships an update monthly, HALO Eclipse Moments every 6 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | Eclipse Countdown | HALO Eclipse Moments |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Paid | — |
| Size | 49 MB | 65 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BESSELIAN ELEMENTS PTY LTD](https://appshunter.io/developer/1896001781) | [Stichting Hemel en Dampkring](https://appshunter.io/developer/6775589977) |

## What reviewers say

### Eclipse Countdown

[App page](https://appshunter.io/ios/app/eclipse-countdown/id6746715829)

This astronomical tool provides precise sub-second solar eclipse timings and interactive maps. It guides users through the eclipse experience with real-time calculations, audio cues, and a list of phenomena to observe.

**Highlights:** Precision timing engine, Interactive mapping, Live audio synchronization, List of phenomena to observe, Lunar limb profile corrections, 3D computational models

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

**In-app purchases:** none


### HALO Eclipse Moments

[App page](https://appshunter.io/ios/app/halo-eclipse-moments/id6775589975)

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

**In-app purchases:** none


## Frequently asked questions

### Is Eclipse Countdown free?

Eclipse Countdown costs $1.99, with no in-app purchases.

### Is HALO Eclipse Moments free?

HALO Eclipse Moments is free to download, with no in-app purchases.

### Do Eclipse Countdown or HALO Eclipse Moments have ads?

Neither Eclipse Countdown nor HALO Eclipse Moments shows ads.

### Which is updated more often, Eclipse Countdown or HALO Eclipse Moments?

Eclipse Countdown ships an update monthly, and HALO Eclipse Moments every 6 days. Most recently, Eclipse Countdown was updated on September 10, 2026 and HALO Eclipse Moments on September 10, 2026.

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