21 Days – AI Challenge
ahmet celik
Developer pricing intelligence
Compare this app against competitors by country, IAP plan, and regional price spread.
| Region | Original Price | USD |
|---|---|---|
🇵🇭 Philippines Asia | ₱9.00 12% VAT included | $0.14 |
🇧🇷 Brazil South America | R$0.90 Tax rules vary by state | $0.18 |
🇵🇰 Pakistan Asia | ₨50.00 Tax rules vary by province | $0.18 |
🇪🇬 Egypt Africa | E£9.99 14% VAT included | $0.18 |
🇨🇱 Chile South America | $190 19% VAT included | $0.19 |
🇹🇷 Turkey Europe | ₺9.99 20% VAT included | $0.20 |
🇳🇬 Nigeria Africa | ₦300.00 8% VAT included | $0.23 |
🇷🇺 Russia Europe | ₽19.00 20% VAT included | $0.23 |
🇵🇱 Poland Europe | zł0.99 23% VAT included | $0.25 |
🇲🇽 Mexico North America | $5.00 16% VAT included | $0.27 |
21 Days – AI Challenge prices by country
21 Days – AI Challenge is a paid app, and Apple lets its price differ for each App Store region. Below is how it compares across up to 22 regions. Prices were last checked on October 25, 2026 and are converted to US dollars at current exchange rates.
21 Days – AI Challenge download
The download costs USD 0.99 in the United States. It is cheapest in the Philippines at PHP 9.00 (about $0.14), 90% less than in Australia, the most expensive region at AUD 1.99 (about $1.40).
Cheapest regions
- PhilippinesPHP 9.00 (≈ $0.14)
- PakistanPKR 50.00 (≈ $0.18)
- EgyptEGP 9.99 (≈ $0.18)
Most expensive regions
- AustraliaAUD 1.99 (≈ $1.40)
- United KingdomGBP 0.99 (≈ $1.32)
- SwitzerlandCHF 1.00 (≈ $1.21)
Frequently asked questions
Where is 21 Days – AI Challenge cheapest to buy?
The Philippines, where 21 Days – AI Challenge costs PHP 9.00 (about $0.14), followed by Pakistan (PKR 50.00) and Egypt (EGP 9.99) (prices checked on October 25, 2026).
How much does 21 Days – AI Challenge cost in the United States?
21 Days – AI Challenge costs USD 0.99 on the US App Store (prices checked on October 25, 2026).
How much do 21 Days – AI Challenge prices differ between countries?
Across 22 App Store regions, the cheapest, the Philippines, is 90% below the most expensive, Australia (AUD 1.99).
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