PrivateTechShares vs Sonar
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
PrivateTechShares compared with Sonar
| Detail | 
PrivateTechShares | 
Sonar |
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| What it does | Understand what your startup equity is really worth — and what to do with it
| Know what your cards will report before they report it
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| Stage | Not given
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| Founded | Not given
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| Based in | GB
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| Pricing model | Not given
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| Pricing | Free tools including estimator and calculators with no sign-up required. Equity Starter Kit: free download. Equity Toolkit — US: $39 (one-off). Equity Toolkit — Europe: €39 (one-off). Equity Position Report: $129 (includes toolkit). Optional 24-hour human review: additional $249. RSU Prep Pack: $19.
| Not given
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| Key features | - Free share value estimator adjusted for common vs preferred, dilution and sale tax by country
- Free exercise cost calculator including AMT tax implications
- Over 250 US and 50+ European company guides with valuation data
- Tax guides for 7 countries: Germany, UK, France, Spain, Italy, Netherlands and Poland
- Free RSU withholding and ESPP analysis tools for public company stock
- Exit waterfall calculator showing proceeds after investor preferences
- Equity Position Report with personalized dilution and tax analysis
- Ready-to-send sale documents and Deal Room control panel
- Free equity glossary and 2026 liquidity data
| - Projects reported utilization before each statement closes
- Learns each card's statement cycle from its own history
- Counts recurring charges committed before the close
- Per-card utilization thresholds with push alerts
- Close date alerts a few days beforehand
- Tracks recurring subscription charges
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| What makes it different | - Plain-English guidance with sources shown for tax rates, valuations and rules
- User maintains complete control over all decisions and equity
- GDPR-compliant data minimization with no data selling
- Structured A-Z deal map with clear professional stop points
| - Counts recurring charges that will post before statement close
- Built around statement close, not payment due date
- Connects through Plaid without storing login credentials
- Personal utilization thresholds drawn per card
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 13 ● no change since last check | 7 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 4 |
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| Citation Flow (Majestic) | 27 | 11 |
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| Referring domains (Majestic) | 55 | 2 |
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3 details filled in for both companies.
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