US State Maps and Flags vs WorldTour Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
US State Maps and Flags
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Flags and Maps of the States of the USA. Cycle through the list or select a specific state Can also take a quiz to test your knowledge of Maps, Flags and Capitals of the states Other Info on State + Nickname + Largest City + Joined Confederation/Statehood date
WorldTour Study
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■ Global Star, Korean Princess! Korean Prince! ■ Let's travel the world with Korean Prince! ■ Traveling to 195 countries on six continents, study geography and history! ■ Traveling to 195 countries on six continents, play a fun puzzle game! Let's travel the world with Korean Prince Right Now! ■ World Tour Features ■ 1. STUDY ■ You can listen to national songs from 195 countries on six continents! ■ You can learn geography and history (country, capital, language, continent, motto, explanation) from 195 countries on six continents! 2. GAME ■ You can play puzzle games with flags of 195 countries on six continents! ■ e-mail - ceosoftheaven@gmail.com ■ Produced by - Softheaven Inc. ■ Please leave your opinions, and it will be considered carefully for further development.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | US State Maps and Flags | WorldTour Study |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 55 months | Every 48 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 406 MB |
| Age rating | 4+ | 4+ |
| Developer | Ralph DMello | SOFTHEAVEN |
In-app purchases
US State Maps and Flags
No in-app purchases
WorldTour Study
- Remove ADS$1.99
Questions
Is US State Maps and Flags free?
Is WorldTour Study free?
Do US State Maps and Flags or WorldTour Study have ads?
Which is updated more often, US State Maps and Flags or WorldTour Study?
Other comparisons
