# FlipShadow vs WordDeck

The clearest difference is device support: FlipShadow at 3 against WordDeck's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. FlipShadow sells 1 one-off in-app purchase and WordDeck sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

FlipShadow ships an update every 6 days, WordDeck every 2 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | FlipShadow | WordDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Size | 4 MB | 7 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jong Seon Lee](https://appshunter.io/developer/1755967230) | [株式会社オポチュニティ](https://appshunter.io/developer/1740927723) |

## What reviewers say

### FlipShadow

[App page](https://appshunter.io/ios/app/flipshadow-flash-cards/id6758394253)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Subsription | $9.99 | one-time |


### WordDeck

[App page](https://appshunter.io/ios/app/worddeck-smart-flashcards/id6759355699)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン（月額） | $4.99 | per month |
| プレミアムプラン（年額） | $29.99 | per year |


## Frequently asked questions

### Is FlipShadow free?

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

### Is WordDeck free?

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

### Do FlipShadow or WordDeck have ads?

Neither FlipShadow nor WordDeck shows ads.

### Which is updated more often, FlipShadow or WordDeck?

FlipShadow ships an update every 6 days, and WordDeck every 2 weeks. Most recently, FlipShadow was updated on October 28, 2026 and WordDeck on October 28, 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.*