Criteria for Rating Apps
| Very important criteria (weighted ×3) | |
| Authority | Source of rules app uses to determine fertile days |
| Accuracy (method) | Effectiveness of the method on which app is based |
| Accuracy (observations) | Accuracy of app in predicting fertile days |
| Support | Ways to have questions answered |
| Important criteria (weighted ×2) | |
| Adaptability | Ability to enter additional data, use with irregular cycles |
| Cost/pricing | Cost of app, transparency in pricing |
| Ease of use | Ease to learn and use the app and share data |
| Confidentiality | Presence of a user agreement detailing confidentiality |
| Helpful criteria (weighted ×1) | |
| Developer/sponsor | Associated with recognized FABM provider |
| Platforms available | Availability on multiple platforms |
FABM, fertility awareness-based method.