# Omomo 翻翻樂 vs Stack Order

The clearest difference is in-app purchases: Omomo 翻翻樂 at none against Stack Order's 2. Stack Order's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Stack Order sells 2 one-off in-app purchases. Omomo 翻翻樂 asks for nothing beyond the download.

Omomo 翻翻樂 ships an update every 2 weeks, Stack Order weekly. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Omomo 翻翻樂 | Stack Order |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 7 MB | 179 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kai San Chan](https://appshunter.io/developer/1825829329) | [Gloryway Puzzle](https://appshunter.io/developer/1853465960) |

## What reviewers say

### Omomo 翻翻樂

[App page](https://appshunter.io/ios/app/omomo/id6748445008)

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

**In-app purchases:** none


### Stack Order

[App page](https://appshunter.io/ios/app/stack-order-card-sort-games/id6762169694)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoAds | $7.99 | one-time |
| Ad Free Pack | $12.99 | one-time |


## Frequently asked questions

### Is Omomo 翻翻樂 free?

Omomo 翻翻樂 is free to download, with no in-app purchases.

### Is Stack Order free?

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

### Do Omomo 翻翻樂 or Stack Order have ads?

Neither Omomo 翻翻樂 nor Stack Order shows ads.

### Which is updated more often, Omomo 翻翻樂 or Stack Order?

Omomo 翻翻樂 ships an update every 2 weeks, and Stack Order weekly. Most recently, Omomo 翻翻樂 was updated on September 22, 2026 and Stack Order on September 20, 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.*