CrystalClear Sound vs CallLane: AirPods quality on Mac calls
CrystalClear Sound and CallLane both keep AirPods in high quality by switching your Mac's input to its own mic; CrystalClear Sound is a Mac App Store subscription, and CallLane is a one-time purchase that also stops calls from ducking your music. The App Store now lists it as CrystalClear Sound Switcher. It also switches your input and output for you when you plug in a dock or an external mic.
I make CallLane, so weigh this with that in mind. Checked on against CrystalClear Sound Switcher on the Mac App Store, Show HN post by its developer (2024) and CrystalClear Sound on GitHub.
CrystalClear Sound and CallLane side by side
| Feature | CrystalClear Sound | CallLane |
|---|---|---|
| Price model | Free download, then a subscription after a 1-month free trial: $1.99 a month or $9.99 a year (US App Store) | One-time purchase, 14-day refund |
| macOS requirement | macOS 13.5 or later | macOS 14 or later, Apple silicon and Intel |
| Stops call ducking | Not advertised. It picks which mic and speaker your Mac uses | Yes. Call apps play into the CallLane device, so macOS ducks only the call |
| Keeps AirPods out of headset mode (mic lock) | Yes. It switches to the Mac's own mic, or an external mic, on its own, so the headphones' mic stays off. A mode switch turns the headphone mic back on when you want it | Yes, for apps that follow the system input. Lock input keeps the system input on the Mac's mic (or a USB mic) and puts it back if macOS or an app moves it. An app set to the AirPods mic directly needs switching to System default once |
| Signed and notarized | Sold through the Mac App Store | Yes, signed and notarized installer |
| Open source | No. Its GitHub repository holds only the license, privacy policy and support notes | The audio driver is (GPL-3, derived from BlackHole); the app is not |
| Extra setup | Install from the Mac App Store. Its page mentions no driver or admin password | Admin password once for the driver, then pick CallLane as the speaker in each call app, once per app |
When to pick CrystalClear Sound
- You want an App Store install. CrystalClear Sound's page mentions no driver or admin password.
- You dock your Mac. Its custom modes pick the right input and output when a dock, external mic or speakers connect.
- You only need the mic fix for a short time. After the free month, the monthly plan is $1.99.
- You're on macOS 13.5 or a later macOS 13 release. CallLane needs macOS 14.
When to pick CallLane
- Calls also turn your music down. CallLane stops that ducking and keeps AirPods in high quality in one app.
- You want the input held in place. CallLane's Lock input puts the Mac's mic back whenever macOS or an app moves the system input.
- You'd rather pay once. CallLane is a one-time purchase with a 14-day refund; CrystalClear Sound is a subscription.
Questions
Do CrystalClear Sound and CallLane fix AirPods the same way?
Yes. Both keep the Mac's own mic, or an external mic, as the system input, so the headphones' mic stays off and they stay in high-quality mode. Both work with any Bluetooth headphones that have a mic, not only AirPods. With either app, a call app set to the headphone mic by name can still switch them to headset mode, so set call apps to the system default mic.
Does CrystalClear Sound stop audio ducking during calls?
Its App Store page doesn't mention it. It picks which mic and speaker your Mac uses. CallLane stops call ducking by giving the call its own output device.
How much does CrystalClear Sound cost?
It is a free download that needs a subscription after a one-month free trial. The US App Store lists $1.99 a month or $9.99 a year, as of 21 October 2026. CallLane is a one-time purchase with a 14-day refund.
Which macOS does each app need?
CrystalClear Sound needs macOS 13.5 or later. CallLane needs macOS 14 or later, on Apple silicon or Intel.