# FlagBuilder vs Random Picker

The clearest difference is in-app purchases: FlagBuilder at none against Random Picker's 4. FlagBuilder also leads on iOS requirement (15.4 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Random Picker sells 4 in-app purchases, starting at $2.99 per 7 days. FlagBuilder asks for nothing beyond the download.

FlagBuilder ships an update every 10 days, Random Picker weekly. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | FlagBuilder | Random Picker |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Free | — |
| Size | 32 MB | 8 MB |
| Requires iOS | **15.4** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Shape Labs AB](https://appshunter.io/developer/1535699607) | [ALEXANDRE JOSEPH PIERRE PAUL](https://appshunter.io/developer/1813388637) |

## 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


### Random Picker

[App page](https://appshunter.io/ios/app/random-picker-roulo/id6775554440)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Roulo Pro Weekly | $2.99 | per 7 days |
| Roulo Pro Monthly | $3.99 | per month |
| Roulo Pro Annual | $24.99 | per year |
| Roulo Pro | $1.99 | one-time |


## Frequently asked questions

### Is FlagBuilder free?

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

### Is Random Picker free?

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

### Do FlagBuilder or Random Picker have ads?

Neither FlagBuilder nor Random Picker shows ads.

### Which is updated more often, FlagBuilder or Random Picker?

FlagBuilder ships an update every 10 days, and Random Picker weekly. Most recently, FlagBuilder was updated on September 30, 2026 and Random Picker on October 7, 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.*