# FlagBuilder vs FlagDeck

The clearest difference is ads: FlagBuilder at none against FlagDeck's shown. On price, update cadence, 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.

FlagBuilder ships an update every 10 days, FlagDeck every 2 weeks. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | FlagBuilder | FlagDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/flagbuilder-flag-puzzle/id6443924386/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 32 MB | 42 MB |
| Requires iOS | **15.4** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shape Labs AB](https://appshunter.io/developer/1535699607) | [suhong kim](https://appshunter.io/developer/6776064662) |

## What reviewers say

### FlagBuilder

[App page](https://appshunter.io/ios/app/flagbuilder-flag-puzzle/id6443924386)

Test your knowledge of world flags by recreating them layer by layer. Select continents to focus your challenges and learn about countries presented in a random order. Correctly assemble each flag to win.

**Highlights:** Select continents for custom games, Recreate flags layer by layer, Randomized country order, Lifeline system for incorrect guesses, Progress tracking through correct answers

**Features:** macOS Compatibility

**In-app purchases:** none


### FlagDeck

[App page](https://appshunter.io/ios/app/flagdeck-world-flags-quiz/id6776064660)

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

**In-app purchases:** none


## Frequently asked questions

### Is FlagBuilder free?

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

### Is FlagDeck free?

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

### Do FlagBuilder or FlagDeck have ads?

FlagDeck shows ads; FlagBuilder does not.

### Which is updated more often, FlagBuilder or FlagDeck?

FlagBuilder ships an update every 10 days, and FlagDeck every 2 weeks. Most recently, FlagBuilder was updated on October 16, 2026 and FlagDeck on October 5, 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.*