# Solar Eclipse Guide 2024 vs TERREPOWER S.T.A.R.T

The clearest difference is update cadence: TERREPOWER S.T.A.R.T at every 2 days against Solar Eclipse Guide 2024's every 4 days. 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.

Solar Eclipse Guide 2024 ships an update every 4 days, TERREPOWER S.T.A.R.T every 2 days. Both last shipped on October 14, 2026.

## The numbers

| Metric | Solar Eclipse Guide 2024 | TERREPOWER S.T.A.R.T |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/solar-eclipse-guide-2024/id6476686416/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 391 MB | 33 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [USM](https://appshunter.io/developer/330111789) | [CA Technology .Ltd](https://appshunter.io/developer/1402680515) |

## What reviewers say

### Solar Eclipse Guide 2024

[App page](https://appshunter.io/ios/app/solar-eclipse-guide-2024/id6476686416)

Prepare for the 2024 total solar eclipse with this essential astronomical guide. Discover optimal viewing locations, understand the celestial mechanics, and access interactive simulations for an unforgettable experience. Learn everything you need to know to safely observe this rare event.

**Highlights:** Interactive eclipse simulations, Solar eclipse path visualization, Best visibility mapping, Location-based preview, Eclipse timetable, Sky map with celestial bodies, Explanations and facts about eclipses

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Realistic and detailed eclipse views
- 👍 Helpful for planning eclipse viewing
- 🌞 Great for learning about eclipses
- 🌍 Accurate location and totality information

**What reviewers complain about**

- 🐛 Location data issues
- 🗺️ Map not up-to-date

**Reported bugs**

- Incorrect location data
- Inaccurate totality information

**Requested features**

- Dark mode option
- More detailed eclipse information


### TERREPOWER S.T.A.R.T

[App page](https://appshunter.io/ios/app/terrepower-start/id6798086211)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Eclipse Guide 2024 free?

Solar Eclipse Guide 2024 is free to download, with no in-app purchases.

### Is TERREPOWER S.T.A.R.T free?

TERREPOWER S.T.A.R.T is free to download, with no in-app purchases.

### Do Solar Eclipse Guide 2024 or TERREPOWER S.T.A.R.T have ads?

Neither Solar Eclipse Guide 2024 nor TERREPOWER S.T.A.R.T shows ads.

### Which is updated more often, Solar Eclipse Guide 2024 or TERREPOWER S.T.A.R.T?

Solar Eclipse Guide 2024 ships an update every 4 days, and TERREPOWER S.T.A.R.T every 2 days. Most recently, Solar Eclipse Guide 2024 was updated on October 14, 2026 and TERREPOWER S.T.A.R.T on October 14, 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.*