Best apps like Quartus Online

7+ similar apps compared and reviewed

7 free apps
Updated August 2026

Whether you want more options like Quartus Online or a completely different take on the same concept, our curated list of 7+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Quartus Online

Com-One#2

Com-One by Smart induPRO

The answer to your call
Strong Contender
💼 Business
0.0(0 ratings)
Free
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This business communication app offers a unified platform for corporate users. It provides features like presence status, directory search, office phone line access, and integrated chat and SMS messaging.