dB Calc

The dB Calc app by Black Cat Systems is holding steady in the Reference category, anchored at its all-time peak of #38 on the Top Paid chart in Laos. It also holds secondary positions on the Top Paid charts in Macao (#83–84) and Slovenia (#98), with all current movements flat at zero change. Across the last 30 days, the app has maintained a best rank of #38 and an average near #39, indicating a stable but narrow chart footprint limited to a handful of smaller markets.