# XLI Congreso SECA vs Apphemeride Precise Astronomy

The clearest difference is in-app purchases: XLI Congreso SECA at none against Apphemeride Precise Astronomy's 2. XLI Congreso SECA also leads on iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Apphemeride Precise Astronomy sells 2 one-off in-app purchases. XLI Congreso SECA asks for nothing beyond the download.

## The numbers

| Metric | XLI Congreso SECA | Apphemeride Precise Astronomy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Monetization | — | Free |
| Size | 37 MB | 442 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Sociedad Española de Calidad Asistencial](https://appshunter.io/developer/1263065546) | [Csaba Lengyel](https://appshunter.io/developer/1888397396) |

## What reviewers say

### XLI Congreso SECA

[App page](https://appshunter.io/ios/app/xli-congreso-seca/id6753872607)

**Features:** macOS Compatibility

**In-app purchases:** none


### Apphemeride Precise Astronomy

[App page](https://appshunter.io/ios/app/apphemeride-precise-astronomy/id6776641899)

This app provides precise astronomical data for sky analysis, including eclipses, Moon motion, and planetary positions. It offers location-based calculations and visual tools to understand celestial events and their visibility.

**Highlights:** Precise sky analysis, Eclipse and Moon motion tracking, Location-based celestial calculations, Horizon Tracker for celestial body movement, Detailed planetary and solar system data, Solar and lunar eclipse simulations, Configurable data display

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day Trial | Free | one-time |
| Apphemeride Full Unlock | $49.99 | one-time |


## Frequently asked questions

### Is XLI Congreso SECA free?

XLI Congreso SECA is free to download, with no in-app purchases.

### Is Apphemeride Precise Astronomy free?

Apphemeride Precise Astronomy is free to download, with in-app purchases available.

### Do XLI Congreso SECA or Apphemeride Precise Astronomy have ads?

Neither XLI Congreso SECA nor Apphemeride Precise Astronomy shows ads.

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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.*