AppMarketSpy › Utilities › Callstack - Cold Call Lists
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App info
- Developer
- Leon Gremer
- Category
- Utilities, Productivity
- Released
- Oct 7, 2026
- Version
- 1.2.0 (Oct 18, 2026)
- Price
- Free
- Size
- 56.3 MB
- Requires
- iOS 16.4
- Age rating
- 4+
- Languages
- English
In-app purchases
| Callstack Pro Yearly | $59.99 |
| Callstack Pro Monthly | $5.99 |
Current prices, App Store US.
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About Callstack - Cold Call Lists
Callstack makes cold calling simple. Import your existing call lists from Excel or CSV and work through them one by one - without a bloated CRM, without an account, and without complicated setup. During a call session, Callstack only shows you the next lead. Make the call, add a note if needed, set the right status, and move straight to the next one. Your workflow in Callstack: - Select an Excel or CSV file - Automatically detect and map columns - Automatically filter duplicate phone numbers - Call leads one by one - Save statuses and notes immediately - Keep callbacks and appointments clearly separated Available statuses: - Open - No anwser - Call back - Not interested - Appointment Callstack is intentionally not a traditional CRM. It focuses on one job: helping you work through call lists quickly and clearly. Your lead and sales data stays stored locally on your device. No Callstack…
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