# BaseCase vs Astellas Events

The clearest difference is ads: Astellas Events at none against BaseCase's shown. Astellas Events also leads on update cadence (monthly vs every 5 months). BaseCase's advantage is iOS requirement (15.0 vs 17.0). On price, 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.

BaseCase ships an update every 5 months, Astellas Events monthly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BaseCase | Astellas Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Monthly** |
| Size | 1 MB | 54 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Certara Germany GmbH](https://appshunter.io/developer/571642724) | [Astellas](https://appshunter.io/developer/391068253) |

## What reviewers say

### BaseCase

[App page](https://appshunter.io/ios/app/basecase/id571642721)

**In-app purchases:** none


### Astellas Events

[App page](https://appshunter.io/ios/app/astellas-events/id6752376789)

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

**In-app purchases:** none


## Frequently asked questions

### Is BaseCase free?

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

### Is Astellas Events free?

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

### Do BaseCase or Astellas Events have ads?

BaseCase shows ads; Astellas Events does not.

### Which is updated more often, BaseCase or Astellas Events?

BaseCase ships an update every 5 months, and Astellas Events monthly. Most recently, BaseCase was updated on October 13, 2026 and Astellas Events on October 12, 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.*