# Sardoo vs Flags Learning Quiz

The clearest difference is in-app purchases: Sardoo at none against Flags Learning Quiz's 5. Sardoo also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). Flags Learning Quiz's advantage is update cadence (every 5 days vs every 23 months). On price and device support there is nothing between them.

Both are free to download. Flags Learning Quiz sells 5 one-off in-app purchases. Sardoo asks for nothing beyond the download.

Sardoo ships an update every 23 months, Flags Learning Quiz every 5 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sardoo | Flags Learning Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 35 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Longwave Studio](https://appshunter.io/developer/1507791927) | [Letovaltsev Maxim](https://appshunter.io/developer/1092949786) |

## What reviewers say

### Sardoo

[App page](https://appshunter.io/ios/app/sardoo/id1473439840)

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

**In-app purchases:** none


### Flags Learning Quiz

[App page](https://appshunter.io/ios/app/flags-learning-quiz/id1658643940)

Test your knowledge of national symbols with this engaging quiz game. Explore flags from over 200 countries, learn interesting facts, and challenge yourself with multiple difficulty levels. Enjoy an intuitive interface and offline access for continuous learning.

**Highlights:** Extensive flag library (200+ countries), Interactive learning quizzes, Multiple difficulty levels, User-friendly interface, Offline access, Country facts and trivia

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 1000 hints | $0.99 | one-time |
| Extra life | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Get 5000 hints | $2.99 | one-time |
| Get 10000 hints | $3.99 | one-time |


## Frequently asked questions

### Is Sardoo free?

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

### Is Flags Learning Quiz free?

Flags Learning Quiz is free to download, with in-app purchases available.

### Do Sardoo or Flags Learning Quiz have ads?

Flags Learning Quiz shows ads; Sardoo does not.

### Which is updated more often, Sardoo or Flags Learning Quiz?

Sardoo ships an update every 23 months, and Flags Learning Quiz every 5 days. Most recently, Sardoo was updated on October 26, 2026 and Flags Learning Quiz on October 24, 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.*