New customers lost per month
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Enter your own numbers. The maths runs in your browser: nothing is sent or stored. The starting values are only an example.
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The maths
Unanswered calls per week × 4.33 weeks × share from new customers × share who buy × value of a first sale. It is an estimate: some callers call back, others leave a message. It does not count a customer's long-term value.
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A clear voicemail, an answering service or an AI receptionist can all help. Our comparison explains when to choose each. Read the comparison.
Zarah answers in French and in English. The free plan does not ask for a credit card.