# Senya and Oscar vs Zombies vs AstroBrain Space Program

The clearest difference is in-app purchases: Senya and Oscar vs Zombies at none against AstroBrain Space Program's 1. Senya and Oscar vs Zombies also leads on iOS requirement (12.4 vs 15.1). AstroBrain Space Program's advantage is ads (none vs shown) and update cadence (fortnightly vs every 5 months). On price and device support there is nothing between them.

Both are free to download. AstroBrain Space Program sells 1 one-off in-app purchase. Senya and Oscar vs Zombies asks for nothing beyond the download.

Senya and Oscar vs Zombies ships an update every 5 months, AstroBrain Space Program fortnightly. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Senya and Oscar vs Zombies | AstroBrain Space Program |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/senya-and-oscar-vs-zombies/id6473010420/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 166 MB | 24 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Denis Vasilev](https://appshunter.io/developer/1029277383) | [Francisco Javier Rodriguez Donado](https://appshunter.io/developer/1778534980) |

## What reviewers say

### Senya and Oscar vs Zombies

[App page](https://appshunter.io/ios/app/senya-and-oscar-vs-zombies/id6473010420)

Embark on a cartoon adventure fighting toon zombies with Senya and her cat Oscar. Collect rewards, discover new items, and unleash powerful super attacks using special skills. Enjoy a fun-filled side-scrolling experience.

**Highlights:** Side-scrolling gameplay, Toon zombie combat, Reward collection, Item discovery, Special skill attacks

**Features:** macOS Compatibility

**In-app purchases:** none


### AstroBrain Space Program

[App page](https://appshunter.io/ios/app/astrobrain-space-program/id6737922303)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AstroBrain Pro | $2.99 | one-time |


## Frequently asked questions

### Is Senya and Oscar vs Zombies free?

Senya and Oscar vs Zombies is free to download, with no in-app purchases.

### Is AstroBrain Space Program free?

AstroBrain Space Program is free to download, with in-app purchases available.

### Do Senya and Oscar vs Zombies or AstroBrain Space Program have ads?

Senya and Oscar vs Zombies shows ads; AstroBrain Space Program does not.

### Which is updated more often, Senya and Oscar vs Zombies or AstroBrain Space Program?

Senya and Oscar vs Zombies ships an update every 5 months, and AstroBrain Space Program fortnightly. Most recently, Senya and Oscar vs Zombies was updated on October 16, 2026 and AstroBrain Space Program on October 25, 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.*