GSC Countdown Timer Bar, built by Getsitecontrol, is a free Shopify app for adding countdown timers as announcement bars, sticky banners and timers on product, cart and landing pages. It is listed first in the Shopify App Store's countdown timer category and has more than 700 reviews.

Timers can run to a fixed end date, over a date range, on a recurring schedule, or reset per visit or session, which covers flash sales, daily deals, product launches and shipping cut-offs. Colors, fonts, text and position are customizable.

Strengths:

Free to use, no paid plans listed
Fixed, recurring, date-range, per-visit and session-based timers
Announcement bar, sticky banner, product page, cart page and landing page placements
Notification, promotional, countdown and product page banner types

Plans and Pricing:

Free

Ratings on Shopify.com: 4.9 stars (717 reviews)

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