Slack

Slack’s peak rank is #8 on Google Play’s Top Free chart, achieved on August 14, 2026; it also reached #8 within the last 30 days and averaged #15. Its strongest current position is Sweden at #16, followed by Norway at #17, while Canada, Finland, and Japan are tied at #22. The United Kingdom and United States are both #24, with the U.S. unchanged, and Denmark is #29. Overall, the app’s trajectory is broadly downward: seven listed countries lost ground, led by Finland (-10) and Canada (-7), while the U.S. remained steady.