# StoneBusters vs Eclipse Countdown

The clearest difference is price: StoneBusters at Free against Eclipse Countdown's $1.99. StoneBusters also leads on update cadence (every 2 weeks vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

StoneBusters ships an update every 2 weeks, Eclipse Countdown monthly. The most recent releases landed on August 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | StoneBusters | Eclipse Countdown |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | — | Paid |
| Size | 55 MB | 49 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FABRIZIO TOZZI](https://appshunter.io/developer/1804697065) | [BESSELIAN ELEMENTS PTY LTD](https://appshunter.io/developer/1896001781) |

## What reviewers say

### StoneBusters

[App page](https://appshunter.io/ios/app/stonebusters/id6743808912)

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is StoneBusters free?

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

### Is Eclipse Countdown free?

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

### Do StoneBusters or Eclipse Countdown have ads?

Neither StoneBusters nor Eclipse Countdown shows ads.

### Which is updated more often, StoneBusters or Eclipse Countdown?

StoneBusters ships an update every 2 weeks, and Eclipse Countdown monthly. Most recently, StoneBusters was updated on August 17, 2026 and Eclipse Countdown 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.*