How do their growth rates compare?

Gizmo has a month-over-month growth rate of +18.2%; Overlayer (Devoteam Knowledge Services) has —.

How does pricing compare?

Gizmo: Freemium. Free to use for the core flashcard, quiz and spaced-repetition workflow. Premium features are offered through subscription options presented in-app; check the app for current tiers. Overlayer (Devoteam Knowledge Services): Free (enterprise licensing via vendor). The Chrome extension is free to install and use within your Google Workspace tenant; enterprise rollout, governance and support terms are handled through Devoteam. The Chrome Web Store listing does not publish a per-seat price, so check with Devoteam for organizational licensing.

What are alternatives to Gizmo and Overlayer (Devoteam Knowledge Services)?

Other tools in related categories include Studocu, Knowt, StudyFetch, Flashka, Algor Education.

Gizmo vs Overlayer (Devoteam Knowledge Services) — Traffic (9.27M vs 0), Pricing & Verdict

Open AI Tools

Gizmo vs Overlayer (Devoteam Knowledge Services) — Traffic (9.27M vs 0), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Gizmo	Overlayer (Devoteam Knowledge Services)
Official Domain	gizmo.ai	chromewebstore.google.com
Pricing Model	Freemium	Free (enterprise licensing via vendor)
Monthly Visits	9.27M (9,273,984)	0 (0)
MoM Traffic Delta	+1.42M (+18.2%)	0 (—)
Primary Market & Share	🇵🇭 Philippines (31.3%)	🌐 Global (—)
Direct Visits / mo	5.7M	0
User Rating	4.3	4.2
Supported Platforms	Website	Browser Extension

Gizmo

AI flashcards that turn note dumps and PDFs into addictive quiz sessions

AI flashcard generation

Turn notes, PDFs, PowerPoint slides and YouTube videos into ready-to-quiz flashcards without writing cards by hand.

Spaced repetition engine

Automatic scheduling resurfaces cards right before you would forget them, so review time goes where it is needed.

Active recall quizzes

Answer-first quizzing with instant feedback instead of passive re-reading, reinforcing long-term retention.

Gamified study streaks

Streaks, points and social study sessions keep motivation high and make daily review a habit.

Strengths & Pros

+Fast conversion of messy notes and PDFs into usable flashcards
+Spaced repetition plus active recall is a proven learning combination
+Free tier covers the core study loop
+Works well on mobile for on-the-go review

Limitations

Frequently Asked Questions: Gizmo vs Overlayer (Devoteam Knowledge Services)

Gizmo has 9,273,984 monthly visits, while Overlayer (Devoteam Knowledge Services) has 0. Traffic estimates describe audience size, not product quality.