Check out our comparison of the Oticon Zeal vs Phonak Audéo Infinio Ultra. Listen to audio samples and see how the two hearing aids differ in terms of sound performance, features, accessories, and more.
Compare comprehensive test results and expert opinions.
Oticon Zeal is an instant-fit, nearly invisible, rechargeable prescription hearing aid with AI-driven processing and modern Bluetooth LE Audio connectivity for Android and Apple iOS.
Read full reviewPhonak’s Infinio Sphere delivers genuinely standout speech clarity in loud, noisy places thanks to its DEEPSONIC “Sphere mode,” but you’ll trade some discretion and may wrestle with fit or Bluetooth pairing to get that top-tier performance.
Read full reviewOticon Zeal achieved a SoundScore of 4.26/5 in HearAdvisor lab testing. The Prescription Hearing Aid category average SoundScore was 3.91/5.
Phonak Sphere Infinio Ultra achieved a SoundScore of 4.58/5 in HearAdvisor lab testing. The Prescription Hearing Aid category average SoundScore was 3.91/5.
Zeal offer excellent moisture and dust protection with an ingress rating of IP68. Both the hearing aids and case are well build and ready for daily use.
Phonak Audéo Sphere Ultra have an excellent build quality with a robust, portable charging case and a high ingress rating of IP68.
With a battery life of up to 20 hours, Zeal should last you all day.
Audéo Infinio Ultra offer around 17 hours of use per charge under normal use and streaming conditions. When using the new Sphere mode, battery life is around 10 hours which is an improvement over the original Sphere Infinio model. They take 3 to 4 hours to recharge, and a 30-minute quick charge can provide an additional 6 hours of use.
I found Zeal to offer easy and stable wireless connection. Their audio quality while streaming music, and during hands-free calling, was good and comparable to other prescription hearing aids.
Phonak Infinio Ultra are compatible with both iOS and Android, offering wireless audio streaming and hands-free calls. Pairing is now easier directly from your phone's Bluetooth menu.
I found the Companion app easy to navigate and use. Other prescription hearing aid companies offer more in-depth health features, but there is still plenty of opportunity to customize settings from your mobile device. The HearingFitness component is also a nice feature for those who like to actively track their progress.
I found the MyPhonak Hearing Aid app easy to use with many useful features, including health and fitness tracking.
Oticon Zeal were extremely comfortable and lightweight in my ears. In general, hearing care providers can make numerous physical changes to prescription hearing aids like Zeal to improve comfort.
Phonak Audéo Sphere Infinio Ultra were extremely comfortable and lightweight in my ears. In general, hearing care providers can make numerous physical changes to prescription hearing aids to improve comfort.
Zeal are sleek, easy to use, in-the-ear prescription hearing aids. They are nearly invisible in the ear which is extremely impressive given their battery life and wireless capabilities.
Phonak's new Audéo Sphere Infinio Ultra model shares the same notably larger size as the original Phonak Infinio Sphere. This is needed for its increased AI processing. While the larger size may be more noticeable, Sphere Ultra remains comfortable, and your provider should have no trouble adjusting the fit to your preference.
Oticon Zeal has a value score of 3.2/5 based on lab performance and public display price.
Phonak Sphere Infinio Ultra has a value score of 3.4/5 based on lab performance and public display price.
Zeal are easy to use and adjust with the Oticon Companion app. I had no issues making adjustments while testing them.
Infinio Ultra are easy to use and adjust using either the large multi-function button or MyPhonak app. I had no issues making adjustments with either.
Prescription hearing aids like Zeal are fit by hearing care providers so you should receive quality care. The Oticon Companion app also opens the possibility for remote programming and virtual follow-up appointments.
Prescription hearing aids like Infinio Sphere Ultra are fit by hearing care providers so you should receive quality care. The MyPhonak app also opens the possibility for remote programming and virtual follow-up appointments.
Listen to direct output recordings from our acoustic test lab.
HearingTracker partners with HearAdvisor to provide recordings and performance data from an acoustic laboratory that follows standard scientific procedures. All hearing aids are fitted and performance-tested for mild sloping to moderate hearing loss. All audio samples cutoff above 10kHz.
Compatible accessories for each hearing aid
As a break-through in hearing technology, Marvel hearing aids feature RogerDirect™ which allows the Roger technology to stream directly to Marvel hearing aids without having to attach an external receiver. This major innovation makes Roger technology easier to use and more attractive for a broader group ranging from mild to profound hearing loss. Roger technology makes use of intelligent and adaptive algorithms that continuously measure and precisely analyze noise levels to keep the Roger signal clearly audible above the background noise.
Charger with integrated battery
The myPhonak app allows you to access remote support, information about their hearing aids, and a hearing diary. The app also allows you to adjust the volume and pitch of your hearing aids, and change program settings.
The Phonak RemoteControl provides a discreet way to control your Phonak hearing aids.
Phonak Roger Table Mic II is a microphone dedicated for working adults who participate in various meetings. It selects the person who’s talking and switches automatically between the meeting participants.
Discreet remote microphone that helps to boost your partners voice in one-to-one conversations in noise.
Phonak Roger Select is a microphone specifically designed to help boost your hearing performance and keep you at the heart of the conversation.
The Phonak TV Connector is a wireless accessory that streams audio directly from your TV or stereo system to your Phonak hearing aids, transforming them into wireless stereo headsets. Enjoy high-quality sound, independent volume control, and a long transmission range of up to 15 meters.
Phonak Roger On is an advanced remote mic accessory developed by Phonak. It is designed to improve speech understanding in noisy environments, over distance, and when many people are speaking simultaneously. Equipped with MultiBeam 2.0 Technology, it provides a boost in understanding by capturing voices from all directions. The Roger On can connect to a variety of multimedia devices and is fully compatible with almost all hearing aids and cochlear implants that have a T-coil or a Roger receiver.