Volume Booster：Sound Amplifier

Volume Booster: Sound Amplifier by o16i Apps recently hit its all-time peak of #14 on Google Play on September 9, 2026, after which momentum has noticeably cooled. Top Free positions have dropped across all six tracked markets, with the steepest declines in Turkey (#76, down 45), Thailand (#53, down 39), and Indonesia (#61, down 38). Monetization, however, tells a different story: the app is climbing in Indonesia's Top Grossing chart at #33 (+3) and holding steady in Turkey at #43. Overall, the trajectory suggests a transition from a viral free-download spike toward a more stable revenue-generating phase, with the last 30-day average of #42 reflecting this mid-range consolidation.