Volume Booster.

Volume Booster by Nguyen Nam Giang is currently riding strong momentum on the App Store, with its all-time peak of #2 reached as recently as August 5, 2026, mirrored today by a #2 ranking in Gambia's Top Free chart. The app is climbing notably in major markets, posting big jumps in Colombia (+65 to #14), Portugal (+13 to #13), Egypt (+7 to #20), and India (+6 to #15), reflecting solid global traction. However, the picture is mixed in smaller markets, with Peru (#38, -20) and Zambia (#47, -14) sliding downward, while Kazakhstan holds steady at #40. Over the last 30 days, the app has averaged #8 with a best of #2, indicating that despite some softness in a few territories, the overall trajectory is clearly climbing.