Perfect OB Wheel

What it does

Perfect OB Wheel offers pregnancy-date calculations using menstrual, conception, expected-delivery, or ultrasound-dating information.

Pricing

United States App Store download: $1.99 (USD), checked 2026-10-02. An upfront purchase is required.

Sources & verification

• Perfect OB Wheel: developer's App Store listing (United States)Primary source

Last verified: 2 October 2026. Features not listed here may be unverified.

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