# Flaggle.io vs Atmo

The clearest difference is in-app purchases: Flaggle.io at none against Atmo's 3. Flaggle.io also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Atmo sells 3 in-app purchases, starting at $7.99 per month. Flaggle.io asks for nothing beyond the download.

Flaggle.io ships an update every 3 days, Atmo every 5 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Flaggle.io | Atmo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flaggleio/id6800171087/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free | — |
| Size | 72 MB | 39 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Velazquez](https://appshunter.io/developer/6800171089) | [NARA CAPITAL](https://appshunter.io/developer/6810730110) |

## What reviewers say

### Flaggle.io

[App page](https://appshunter.io/ios/app/flaggleio/id6800171087)

Test your knowledge of national and territorial flags. Identify a mystery flag with limited guesses, using color comparisons to narrow down possibilities. Study your history to improve recognition skills.

**Highlights:** Identify flags of UN member states and other territories, Visual color comparisons after each guess, Searchable country and flag list, Focused gameplay, No accounts, ads, or tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Atmo

[App page](https://appshunter.io/ios/app/atmo-earn-your-screen-time/id6810730108)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per month |
| Premium Yearly | $24.99 | per year |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Flaggle.io free?

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

### Is Atmo free?

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

### Do Flaggle.io or Atmo have ads?

Neither Flaggle.io nor Atmo shows ads.

### Which is updated more often, Flaggle.io or Atmo?

Flaggle.io ships an update every 3 days, and Atmo every 5 days. Most recently, Flaggle.io was updated on October 24, 2026 and Atmo on October 29, 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.*