# Total Solar Eclipse 2027 vs Aurora Expert

The clearest difference is iOS requirement: Total Solar Eclipse 2027 at 16.4 against Aurora Expert's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Total Solar Eclipse 2027 sells 1 one-off in-app purchase and Aurora Expert sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Total Solar Eclipse 2027 | Aurora Expert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 54 MB | 15 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Syntherma](https://appshunter.io/developer/6773814951) | [Mark Baumann](https://appshunter.io/developer/6782979156) |

## What reviewers say

### Total Solar Eclipse 2027

[App page](https://appshunter.io/ios/app/total-solar-eclipse-2027/id6778520438)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eclipse Viewer Pro | $5.99 | one-time |


### Aurora Expert

[App page](https://appshunter.io/ios/app/aurora-expert/id6782979154)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aurora Export Pro Unlock | $4.99 | one-time |


## Frequently asked questions

### Is Total Solar Eclipse 2027 free?

Total Solar Eclipse 2027 is free to download, with in-app purchases available.

### Is Aurora Expert free?

Aurora Expert is free to download, with in-app purchases available.

### Do Total Solar Eclipse 2027 or Aurora Expert have ads?

Neither Total Solar Eclipse 2027 nor Aurora Expert shows ads.

### Which is updated more often, Total Solar Eclipse 2027 or Aurora Expert?

Total Solar Eclipse 2027 ships an update every 5 days, and Aurora Expert every 5 days. Most recently, Total Solar Eclipse 2027 was updated on October 4, 2026 and Aurora Expert on October 6, 2026.

---

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