# Flexible Ostrich vs Alien Escape Runner

The clearest difference is update cadence: Flexible Ostrich at every 3 days against Alien Escape Runner's every 10 days. Flexible Ostrich also leads on iOS requirement (12.0 vs 15.0). 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.

Flexible Ostrich ships an update every 3 days, Alien Escape Runner every 10 days. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Flexible Ostrich | Alien Escape Runner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.9 (31 ratings)](https://appshunter.io/ios/app/alien-escape-runner/id6478705598/reviews)** |
| Number of ratings | — | **31** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 97 MB | 255 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [敏 胡](https://appshunter.io/developer/1647133403) | [Gurbuz Demiroglu](https://appshunter.io/developer/1571601967) |

## What reviewers say

### Flexible Ostrich

[App page](https://appshunter.io/ios/app/flexible-ostrich/id6476650461)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alien Escape Runner

[App page](https://appshunter.io/ios/app/alien-escape-runner/id6478705598)

Embark on an intergalactic runner adventure as a transforming alien slime. Navigate dynamic environments, dodge obstacles, and collect power-ups in fast-paced, endless gameplay. Compete for high scores on global leaderboards.

**Highlights:** Unique alien slime character with transformation ability, Dynamic and visually stunning environments, Fast-paced reflex-based gameplay, Endless levels with increasing challenge, Collect power-ups and dodge hazards, Compete for high scores on leaderboards

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

**In-app purchases:** none


## Frequently asked questions

### Is Flexible Ostrich free?

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

### Is Alien Escape Runner free?

Alien Escape Runner is free to download, with no in-app purchases.

### Do Flexible Ostrich or Alien Escape Runner have ads?

Both Flexible Ostrich and Alien Escape Runner show ads.

### Which is updated more often, Flexible Ostrich or Alien Escape Runner?

Flexible Ostrich ships an update every 3 days, and Alien Escape Runner every 10 days. Most recently, Flexible Ostrich was updated on November 8, 2026 and Alien Escape Runner on November 4, 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.*