The simple version
STEM Quest is free to download and free to play forever. You can complete every realm, defeat every boss, and earn every reward through gameplay alone. Optional bundles unlock cosmetic upgrades and bonus coins to accelerate progress — they're never required to enjoy the game.
Free vs. Bundle
STEM Quest
- All 3 worlds (Math, Science, Coding)
- All 15 bosses + Endless Tower
- Character evolution and gear earned through gameplay
- Trophy Room and Prize Locker
- Daily streak rewards
- No ads. No tracking. No subscriptions.
One-time purchases
- Bonus in-game coins
- Exclusive character skins and gear
- Themed arenas and backgrounds
- Permanent coin multipliers (select bundles)
- Ad-free experience guarantee (already included)
- No subscription — buy once, own forever
Current bundle catalog
Prices shown in USD. Available in your local currency at checkout. Final prices may vary slightly by country due to taxes and currency conversion (handled automatically by our payment processor).
| Bundle | What is inside | Price |
|---|---|---|
| Inferno Guard | Magma Pup flagship pack — Golden Paw skin + Volcano Home + bonus coins | $2.99 |
| Volcanic Core | Bonus coins + ember-themed gear + Magma Forge arena | $2.99 |
| Storm Bringer | Storm Spirit upgrade — Thunder Lord skin + Sky Fortress + 3,000 coins | $4.99 |
| Shadow Realm | Onyx Reaper expansion — Void Walker skin + Abandoned Laboratory + 5,000 coins | $6.99 |
| Cyber Mainframe | 3,500 coins + cyber gear + Cyber Grid arena | $7.99 |
| System Overload | Cipher high-tier — Ghost Shell skin + Mainframe + 8,000 coins + "Beta Tester" title | $9.99 |
| Apex Predator | Top of the food chain — 10,000 coins + phoenix gear + champion crown + multiple arenas + "Alpha" title | $14.99 |
| Master of Elements — Inferno Drake | Mega-Bundle — permanent 2x coin multiplier + every background + 20,000 coins + master tier rewards | $19.99 |
Catalog updated periodically. The in-app Shop always shows the current selection and live pricing in your local currency.
How payment works
STEM Quest uses Paddle as the merchant of record for all bundle purchases. Paddle handles secure payment processing, tax compliance for your country, and refund disbursement.
- Accepted payment methods: Credit and debit cards, Apple Pay, Google Pay, PayPal, and other regional methods depending on your country
- Currency: Charged in your local currency where supported. USD pricing shown above is the base; exchange rates and applicable taxes are applied automatically at checkout
- One-time charges only: No subscriptions, no auto-renewals, no recurring charges anywhere in the app
- Parent verification: A parent PIN is required to authorize any in-app purchase. STEM Quest is built for kids, and purchases must be approved by a parent or guardian
- Receipts: Sent automatically to the email address on the account immediately after a successful purchase
What is NOT charged for
For total clarity:
- The app itself — free download, free to play
- Gameplay — every boss, every level, every reward earnable for free
- Account creation — no setup fee, no credit card required to sign up
- Future game updates and new content — free for all players
- Customer support — always free, contact stemquest@valosinmedia.com
Refunds
We offer a 14-day refund window on all bundle purchases, plus full refunds for unauthorized child purchases regardless of timing. See our full Refund Policy for details.
Questions?
Anything pricing-related — bundle questions, payment issues, refund requests, currency confusion:
Email: stemquest@valosinmedia.com
We respond within 1-2 business days.
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