Harper Zilmer Fake Call & Chat icon

Harper Zilmer Fake Call & Chat

Kostiin Apps

⬇ 50+ downloads

Est. actual: 51

Free

Released: Jun 11, 2026

No in-app purchases

Contains ads

Signals

3 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days +5 installs — 67% faster than the week before (+3) · 0/day since Oct 9
🏆Among Personalization apps bottom 36% by installs gained this week (264 peers growing)
🛠Updates dormant · updated 138 days ago

Installs since launch

+14 installs since Oct 9

Update history

2.5 Jun 27, 2026 · seen Oct 23, 2026

Only the current version so far — new entries appear as the app ships updates.

Harper Zilmer Fake Call & Chat is a personalization app by Kostiin Apps with 50+ downloads (about 51 estimated). +5 installs in the last 7 days. Released Jun 11, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Harper sim — fake video call, audio, offline & AI chat — unofficial fan app”