Signia Styletto AX vs Starkey Genesis AI
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Choice

Signia Styletto AX
The Signia Styletto AX is a premium prescription behind-the-ear hearing aid released in 2022, priced at $4,398. In HearAdvisor's lab testing, it earns an A grade with a SoundScore of 4.3/5, ranking #19 among 36 prescription hearing aids tested. This device demonstrates strong speech-in-quiet performance at 4.0/5, scoring 0.71 points above the category average. Speech-in-noise shows mixed absolute results at 2.3/5, though this still sits 0.32 points above the category average of 1.96/5. Music streaming quality is solid at 3.1/5, exceeding the category average by 0.46 points—a meaningful advantage for users who frequently stream audio from their iPhone. Own-voice comfort scores a solid 3.0/5, slightly above category average. However, feedback handling at 3.9/5 falls 0.81 points below the category average of 4.71/5—solid in absolute terms but notably weaker than many prescription competitors in our testing. The Styletto AX has earned HearAdvisor's Expert's Choice Award in both 2023 and 2024. With its distinctive slim design, rechargeable batteries, and iPhone streaming capabilities, it may appeal to users prioritizing aesthetics and convenience alongside strong speech clarity in quieter environments. Those frequently in challenging noise situations or requiring maximum feedback stability may want to compare alternatives in this price tier.

Starkey Genesis AI
The Starkey Genesis AI is a premium behind-the-ear prescription hearing aid released in 2023, priced at $4,798. In HearAdvisor's lab testing, it earned a B grade with a SoundScore of 3.7/5, ranking #31 of 36 prescription hearing aids tested. This device demonstrates solid speech clarity in quiet environments, scoring 3.5/5—0.13 points above the category average. Its standout feature is excellent feedback handling, achieving a perfect 5.0/5 score. Speech-in-noise performance lands at 2.3/5, which is 0.36 points above the category average but remains mixed in absolute terms. Music streaming scored 2.8/5, slightly above average (+0.16 points) though still in mixed territory. Own-voice comfort presents a notable weakness, scoring 2.2/5—0.55 points below the category average. This may be a consideration for users sensitive to how their own voice sounds while wearing hearing aids. The Genesis AI showed meaningful improvement with professional tuning, with the normalized score jumping from 3.5/5 (Initial) to 4.3/5 (Tuned), suggesting that proper fitting is particularly important for this device. At this premium price point, competitors including the Phonak Sphere Infinio (5.0/5), Oticon Intent (4.85/5), and Oticon Real (4.75/5) deliver stronger overall sound performance. The Genesis AI may suit users who prioritize Starkey's ecosystem, hands-free calling features, and robust feedback control, but those seeking top-tier sound quality in this price range have higher-scoring alternatives to consider.
We independently review each item we recommend and appreciate your trust and support. When you buy through our links, we may earn a commission. Learn More.
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Scale 1-5 (Tuned)
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit