# Wowo vs BitFlip

The clearest difference is ads: Wowo at none against BitFlip's shown. Wowo also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.1 vs 26.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Wowo sells 2 one-off in-app purchases and BitFlip sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Wowo ships an update every 2 weeks, BitFlip every 2 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | Wowo | BitFlip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 64 MB | 16 MB |
| Requires iOS | **15.1** | 26.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sinan Odak](https://appshunter.io/developer/1736468855) | [kodai takiguchi](https://appshunter.io/developer/1890502601) |

## What reviewers say

### Wowo

[App page](https://appshunter.io/ios/app/wowo-learn-words-and-languages/id6741049670)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Limited Offer | $6.99 | one-time |
| Full Version Premium | $9.99 | one-time |


### BitFlip

[App page](https://appshunter.io/ios/app/bitflip/id6761623228)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を削除 | $1.99 | one-time |


## Frequently asked questions

### Is Wowo free?

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

### Is BitFlip free?

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

### Do Wowo or BitFlip have ads?

BitFlip shows ads; Wowo does not.

### Which is updated more often, Wowo or BitFlip?

Wowo ships an update every 2 weeks, and BitFlip every 2 months. Most recently, Wowo was updated on October 28, 2026 and BitFlip on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*