Starkey Evolv AI vs Zepp Clarity One

The Starkey Evolv AI is a premium prescription behind-the-ear hearing aid released in 2022, currently available at $4,598. In HearAdvisor's lab testing, it earns a B grade with a SoundScore of 3.9/5, ranking #30 of 39 prescription hearing aids tested. This device shows notable strengths in specific performance areas. Music streaming quality scores a solid 3.7/5, which is +0.94 points above the category average—a meaningful advantage for users who frequently stream audio from their phone. Speech in noise performance also stands out at 2.8/5, sitting +0.66 points above the category average, though this remains a mixed absolute score. Speech in quiet is solid at 3.4/5, essentially matching the category average. The Evolv AI does show some limitations in our testing. Own voice comfort scores 2.1/5, falling -0.60 points below the category average, which may affect how natural your own speech sounds. Feedback handling presents a more significant gap: while the 3.5/5 score is solid in absolute terms, it sits -1.22 points below the category average of 4.72/5, meaning competing prescription devices generally perform better in feedback stability tests. Professional fitting makes a meaningful difference with this device. The normalized Initial Score of 3.8/5 improves to 4.2/5 after tuning, a +0.4 point gain primarily driven by improvements in speech clarity metrics. At this premium price point, several competitors like the Phonak Sphere Infinio and Oticon Intent deliver higher overall scores. The Evolv AI is best suited for users who prioritize music streaming quality and speech understanding in noise, and who have access to professional fitting services to optimize performance.

The Zepp Clarity One is a mid-priced OTC hearing aid with an invisible-in-ear design, priced at $699. In HearAdvisor's lab testing, it earned a B grade with a SoundScore of 3.9/5, ranking #23 among 65 OTC hearing aids tested—placing it in the top 34% of the category. This device demonstrates notable strengths in speech clarity during quiet environments, scoring 3.7/5—nearly a full point above the category average. Own-voice comfort is another highlight at 3.8/5, measuring 1.29 points above average, which suggests reduced occlusion effects that many users find bothersome with in-ear devices. Feedback handling is excellent at 5.0/5 in the tuned configuration. However, the Clarity One has significant limitations. Speech understanding in noisy environments scores just 1.4/5, slightly below the category average. Most notably, music streaming scored 0.0/5—nearly 2 points below the category average—indicating this device does not support audio streaming functionality, a feature some competitors in this price range offer. The Zepp Clarity One is best suited for users who prioritize clear speech in quieter settings and natural own-voice quality, and who do not need music or media streaming capabilities. Those seeking better noise performance or streaming features should consider alternatives, including options like the Olive Union Air, which offers similar overall sound quality at a lower price point.