# US State Maps and Flags vs WorldTour Study

The clearest difference is in-app purchases: US State Maps and Flags at none against WorldTour Study's 1. US State Maps and Flags also leads on ads (none vs shown). WorldTour Study's advantage is iOS requirement (8.0 vs 16.6). On price, update cadence and device support there is nothing between them.

Both are free to download. WorldTour Study sells 1 one-off in-app purchase. US State Maps and Flags asks for nothing beyond the download.

US State Maps and Flags ships an update every 55 months, WorldTour Study every 48 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | US State Maps and Flags | WorldTour Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 55 months | **Every 48 months** |
| Size | 47 MB | 406 MB |
| Requires iOS | 16.6 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ralph DMello](https://appshunter.io/developer/883186543) | [SOFTHEAVEN](https://appshunter.io/developer/588713602) |

## What reviewers say

### US State Maps and Flags

[App page](https://appshunter.io/ios/app/us-state-maps-and-flags/id1180701083)

**In-app purchases:** none


### WorldTour Study

[App page](https://appshunter.io/ios/app/worldtour-study/id1188616280)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $1.99 | one-time |


## Frequently asked questions

### Is US State Maps and Flags free?

US State Maps and Flags is free to download, with no in-app purchases.

### Is WorldTour Study free?

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

### Do US State Maps and Flags or WorldTour Study have ads?

WorldTour Study shows ads; US State Maps and Flags does not.

### Which is updated more often, US State Maps and Flags or WorldTour Study?

US State Maps and Flags ships an update every 55 months, and WorldTour Study every 48 months. Most recently, US State Maps and Flags was updated on October 7, 2026 and WorldTour Study on September 30, 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.*