# Flexible Ostrich vs BubbleTrix

The clearest difference is in-app purchases: Flexible Ostrich at none against BubbleTrix's 1. Flexible Ostrich also leads on update cadence (every 3 days vs weekly) and iOS requirement (12.0 vs 14.0). BubbleTrix's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. BubbleTrix sells 1 one-off in-app purchase. Flexible Ostrich asks for nothing beyond the download.

Flexible Ostrich ships an update every 3 days, BubbleTrix weekly. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Flexible Ostrich | BubbleTrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Size | 97 MB | 110 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [敏 胡](https://appshunter.io/developer/1647133403) | [David Ortego Lucas](https://appshunter.io/developer/402250416) |

## What reviewers say

### Flexible Ostrich

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

**Features:** macOS Compatibility

**In-app purchases:** none


### BubbleTrix

[App page](https://appshunter.io/ios/app/bubbletrix/id6801471276)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Flexible Ostrich free?

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

### Is BubbleTrix free?

BubbleTrix is free to download, with in-app purchases available.

### Do Flexible Ostrich or BubbleTrix have ads?

Flexible Ostrich shows ads; BubbleTrix does not.

### Which is updated more often, Flexible Ostrich or BubbleTrix?

Flexible Ostrich ships an update every 3 days, and BubbleTrix weekly. Most recently, Flexible Ostrich was updated on October 10, 2026 and BubbleTrix on October 13, 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.*