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Shoo! is a third-party Mac app locker that asks you to authenticate before a selected app appears. Its developer says Shoo! does this without requesting Accessibility or Screen Recording permissions, using Touch ID, Apple Watch, or an optional separate backup password instead. That is the developer’s claim about those system permissions—not a claim that Shoo! needs no permissions or entitlements of any kind.

What Shoo! does—and what it does not do

macOS does not include a built-in feature for locking individual apps, according to Shoo!’s guide. Shoo! is a separate utility for adding an authentication step to selected apps, such as Messages. (Shoo!’s Mac app-lock guide)

The developer describes the protected app as not appearing until authentication succeeds, and says Shoo! checks again when you switch back to it. Its guide says the utility ends the protected app’s process and reopens it after authentication. These are vendor descriptions; they have not been independently verified here. (Shoo! product page; Shoo!’s Mac app-lock guide)

What “without a single permission” means

Shoo!’s homepage says the app requests no system permissions and contrasts its approach with app lockers that use Accessibility or Screen Recording access. Read that as a specific product claim about those permissions, not proof that the app has no macOS permissions or security entitlements whatsoever. The claim does not independently establish how Shoo! is implemented. (Shoo!’s product, terms, and privacy page)

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Apple documents an app flow for requesting Touch ID authentication through LocalAuthentication: “When your app tries to use Touch ID, a system message asks the user to present a finger to scan.” Apple also notes that Touch ID does not require the comparable usage-description key required for Face ID. This makes it plausible for an app to request Touch ID without Accessibility or Screen Recording access, but Apple’s documentation does not verify Shoo!’s particular implementation. (Apple Developer Documentation: Logging a User into Your App with Face ID or Touch ID)

Authentication methods and compatibility

Shoo! advertises Touch ID, Apple Watch, and an optional separate backup password. The backup password is described as separate; the product information does not establish that your Mac account password is a fallback. The developer says Shoo! supports macOS 14 Sonoma or later on Apple silicon and Intel Macs. Touch ID or Apple Watch availability depends on the Mac and its configuration. (Shoo!’s product, terms, and privacy page)

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Security limits to understand

Shoo! may add useful app-level privacy friction when someone else has access to an unlocked Mac, but it should not be treated as a security boundary against someone with administrator access. The vendor’s terms warn that an administrator may be able to circumvent protection and say Shoo! is not a substitute for full-disk encryption or the Mac’s system password. The terms also state: “The Software is provided "as is."” (Shoo!’s terms of service)

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Trial, price, and refund terms

As listed by the vendor on October 4, 2026, Shoo! offers a seven-day full-feature trial, followed by a $17.99 one-time purchase, and a 14-day refund window. These are changeable vendor terms; check the live product page for current pricing and conditions before buying. (Shoo!’s product, terms, and privacy page)

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