# Sirius App vs SpaceLog

The clearest difference is update cadence: Sirius App at every 2 months against SpaceLog's every 9 months. Sirius App also leads on iOS requirement (11.0 vs 15.6). 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.

Sirius App ships an update every 2 months, SpaceLog every 9 months. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Sirius App | SpaceLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sirius-app/id1509458221/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free | — |
| Size | 3 MB | 22 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Europol](https://appshunter.io/developer/1509458220) | [Friedrich-Alexander-Universität Erlangen-Nürnberg](https://appshunter.io/developer/979230337) |

## What reviewers say

### Sirius App

[App page](https://appshunter.io/ios/app/sirius-app/id1509458221)

Connect with the European Public Prosecutor's Office (EPPO) through this mobile application. Access information and resources related to their work and mission.

**Highlights:** Connect to EPPO, Access information, Resource hub, Official updates

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

**In-app purchases:** none


### SpaceLog

[App page](https://appshunter.io/ios/app/spacelog/id6743393692)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sirius App free?

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

### Is SpaceLog free?

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

### Do Sirius App or SpaceLog have ads?

Neither Sirius App nor SpaceLog shows ads.

### Which is updated more often, Sirius App or SpaceLog?

Sirius App ships an update every 2 months, and SpaceLog every 9 months. Most recently, Sirius App was updated on October 18, 2026 and SpaceLog on October 22, 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.*