Comparison

Robo Flags. vs WorldHeritage Study

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Let's Study World Heritage!

Free

📚 Education

No ratingsView app →

About

Robo Flags.

Features

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Learn national flags in the world. There are a different countries in the world. Symbol that represents each country, it is the national flag. You can see the national flags in Olympic games. National flags are colorful and simple. But there, thought of people living in the country is in. Be interested? Let's start right away.

About

WorldHeritage Study

Features

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■ Global Star, Korean Princess! Korean Prince! ■ Let's travel around the World Heritage Site with Korean Prince! ■ Let's study UNESCO World Heritage Site(420+) (Country, Location, Coordinates, Date of Inscription, Criteria, Description) ■ Traveling to 153 countries on six continents, study world heritage site! ■ Traveling to 153 countries on six continents, play a fun puzzle game! Let's travel the world with Korean Prince Right Now! ■ World Heritage Features ■ 1. STUDY ■ You can listen to national songs from 153 countries on six continents! ■ You can learn UNESCO World Heritage Site(420+) (Country, Location, Coordinates, Date of Inscription, Criteria, Description) from 153 countries on six continents! 2. GAME ■ You can play puzzle games with World Heritage Image of 153 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

Robo Flags.4 screens

WorldHeritage Study4 screens

Verdict

The call

The clearest difference is in-app purchases: Robo Flags. at none against WorldHeritage Study's 1. Robo Flags. also leads on update cadence (every 4 months vs every 48 months). WorldHeritage Study's advantage is iOS requirement (8.0 vs 15.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. WorldHeritage Study sells 1 one-off in-app purchase. Robo Flags. asks for nothing beyond the download.

UpkeepUpdate frequency

Robo Flags. ships an update every 4 months, WorldHeritage Study every 48 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 3 level

Robo Flags. versus WorldHeritage Study: the parameters behind the verdict, then further details
Parameter	Robo Flags.	WorldHeritage Study
Price	Free	Free
Update frequency	Every 4 months — better	Every 48 months
Ads	Yes	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	8.0 — better
Further details — not scored
Size	59 MB	517 MB
Age rating	4+	4+
Developer	MASAHIRO MIZUTANI	SOFTHEAVEN

In-app purchases

None

Robo Flags.

No in-app purchases

1 purchases

WorldHeritage Study

One-time1

Remove ADS$1.99

Questions

Is Robo Flags. free?

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

Is WorldHeritage Study free?

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

Do Robo Flags. or WorldHeritage Study have ads?

Both Robo Flags. and WorldHeritage Study show ads.

Which is updated more often, Robo Flags. or WorldHeritage Study?

Robo Flags. ships an update every 4 months, and WorldHeritage Study every 48 months. Most recently, Robo Flags. was updated on October 2, 2026 and WorldHeritage Study on October 6, 2026.