At-home male fertility tests typically work by analyzing a semen sample to measure sperm count (concentration) and sometimes motility (movement) using test strips, smartphone apps, or small microscopes, giving a quick indication of whether levels fall within a normal range. While convenient, these kits are less comprehensive and slightly less accurate than a full laboratory semen analysis, which also evaluates morphology (shape), volume, and other detailed parameters. If results are low, abnormal, or unclear, or if a couple has been trying to conceive for 6–12 months without success, it’s important to seek medical testing with a doctor or fertility specialist for a more complete evaluation and guidance.