Some apps are distributed as Split APKs (multiple .apk files packaged together) to optimize resources. Standard Android installers cannot open them.
Pebblio turns math practice into an adventure. Kids answer math questions to stack colorful pebbles and build structures across 30 worlds. Every correct answer adds to the stack as towers, castles, rockets, and more come to life.
How it works
Each question comes with a helpful tip before answering and an explanation afterward, so kids understand the math rather than just memorizing answers. Difficulty increases gradually within each world.
30 worlds of math
Beginner (Ages 5-8):
1. Pebble Beach - Counting
2. Block Town - Addition
3. Candy Canyon - Subtraction
4. Crystal Caves - Multiplication
5. Cookie Kingdom - Division
Intermediate (Ages 7-11):
6. Fruit Forest - Fractions
7. Robot Workshop - Algebra Basics
8. Puzzle Palace - Logic Puzzles
9. Star Station - Patterns
10. Geometry Garden - Geometry
11. Money Market - Decimals and Money
12. Frost Valley - Negative Numbers
13. Clockwork Castle - Time and Measurement
Advanced (Ages 9-14):
14. Guesswork Gulch - Estimation
15. Digit Dunes - Place Value
16. Odd-Even Orchard - Even and Odd
17. Chart Cove - Data and Graphs
18. Lucky Lagoon - Probability
19. Mirror Meadow - Symmetry
20. Grid Galaxy - Coordinates
21. Shape Summit - Area and Perimeter
22. Coin Castle - Money Math
23. Velocity Valley - Speed and Distance
24. Power Peaks - Exponents and Roots
25. Data Depths - Statistics
26. Equation Island - Equations
27. Balance Bridge - Inequalities
28. Prime Pyramid - Number Theory
Expert (Ages 11-14):
29. Ratio Rapids - Ratios and Proportions
30. Genius Galaxy - Competition Math
What's included:
- 30 math worlds covering counting through competition-level math
- Tips before each question and explanations after
- Pebble stacking that makes progress visual and rewarding
- Combo system and milestone celebrations
- Coins and stars to earn across every level
- Works offline
- No in-app purchases
- No social features or personal data collection
com.pebblio.game on the APK Downloader.Yes! Every APK download provided by APKDER undergoes rigorous security verification. We verify that the cryptographic signature of the APK file matches the official signature from the developer, ensuring the APK is original, untouched, and free from any modifications.
To install it, you first need to enable "Unknown Sources" in your Android device's security settings. After downloading the APK file from APKDER, tap it to begin the installation and follow the on-screen prompts.
Yes! As soon as the developer releases a new version of Pebblio: Math for Kids, we will update and provide the updated APK on APKDER. You can simply download and install the new APK over the existing installation without losing your app data.
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A standard APK is a single installation package. An XAPK or Split APK contains multiple resource files (like OBB expansions or device-specific layout parts) packaged together. To install them, you can download splits individually or use dynamic helper tools like Split APKs Installer (SAI).
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