Zoom has a Proven Score of 72/100 (Established). Circleback has a Proven Score of 37/100 (Emerging). Zoom ranks higher in Video & meetings. Both are in Video & meetings on the Proven Trust Index. Vendors cannot pay to change a score. Scores can't be bought.
| Input | Circleback | Zoom |
|---|---|---|
| Proven marketplaces | 5.4 / 15 | 12.1 / 15 |
| Member redemption clicks | 4.5 / 15 | 5.1 / 15 |
| Client quality | 20 / 20 | 20 / 20 |
| Operating tenure | 2 / 10 | 10 / 10 |
| Market standing | 0 / 10 | 10 / 10 |
| Connected relationships | 0 / 10 | 3.7 / 10 |
| Connected data | 0 / 5 | 0 / 5 |
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Circleback · Zoom · Best Video & meetings for startups, ranked by the Proven Trust Index
Data updated 2026-10-27.
Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Scores can't be bought. Data updated 2026-10-27. About the data · Proven