Comparison

iShowU Instant or QuickTime Player?

QuickTime is enough to capture the screen without sound. iShowU if you need the Mac's internal sound.

Tool A

iShowU Instant

Simple, lightweight macOS screen recording for when QuickTime is not enough.

Tool B

QuickTime Player

Competitor

Criterion by criterion

Criterion by criterion
Criterion	iShowU Instant	QuickTime Player
In my stack	Yes	No, competitor
My rating	4.2 out of 5	No tool page on my site
What it does better	Captures system audio natively, no Soundflower/BlackHole hack	Free, built into macOS, nothing to install
What it does worse	Largely replaced by QuickTime + OBS for more advanced uses	No native system audio (before macOS Sonoma), limited options
Entry price	Included in Setapp (~€9.99/month)	No tool page on my site
Plan I would pick	Setapp · ~€9.99/month (Setapp subscription)	No tool page on my site
Works with	macOS	No tool page on my site
Where the opinion comes from	Based on my iShowU Instant review	Compared from my iShowU Instant review

Verdict

QuickTime is enough to capture the screen without sound. iShowU if you need the Mac's internal sound.

On QuickTime Player, written from my iShowU Instant review