GoodOff vs Gizmo.
Two AI flashcard apps with very different DNA. Gizmo leans into gamified daily study; GoodOff is built around FSRS spaced repetition for long-term retention.
The tale of the tape.
Both have AI generation and gamification. Where they differ: algorithm transparency, voice mode, offline support, and price.
| Feature | GoodOff | Gizmo |
|---|---|---|
| Spaced repetition algorithm | FSRS by default | Spaced repetition (algorithm unspecified) |
| Voice tutor | Yes, hands-free study | No |
| Pomodoro timer | Built in | No |
| AI flashcard generation | Gemini Pro, 90+ formats | AI from PDF, YouTube, PowerPoint, Notes, Quizlet |
| Offline study | Yes | Limited; reviewers cite lack of offline |
| Gamification | XP, streaks, leaderboards | Lives, streaks, "addictive" loops |
| Trial eligibility | Eligible account and selected offer confirmed in app; Starter from $4.99/mo | 15 daily lives, up to 10 AI quizzes/day |
| Paid tier (entry) | Starter $4.99/mo or $49.99/yr | ~$8.80/mo or $52.80/yr |
| Top tier | Max $29.99/mo | Higher tiers reported up to ~$159/yr |
FSRS by default — not a black box.
GoodOff uses FSRS, the open-source spaced repetition scheduler that has published benchmarks and exposes stability, difficulty, and retrievability per card. Gizmo offers spaced repetition, but reviewers report tuning issues on decks over 100 cards — older cards getting skipped while newer ones repeat.
Pre-configured FSRS, no setup
Benchmarked against alternative schedulers
Scales cleanly past 1,000+ cards
Study without looking at a screen.
GoodOff has a built-in voice tutor — ask questions, get explanations, study while commuting or exercising. Gizmo does not currently offer a voice mode; study sessions happen at the screen.
Conversational explanations
Hands-free review on the go
Powered by Gemini Pro
Half the price, same job.
GoodOff Starter is $4.99/mo or $49.99/yr. Gizmo is most commonly cited at $8.80/mo or $52.80/yr, with higher tiers reported up to $159/yr. For students paying out of pocket, that gap matters.
Starter $4.99/mo includes AI generation, voice tutor, ad-free
Pro $8.99/mo for active learners
Max $29.99/mo for power users
Switching from Gizmo.
Is GoodOff free like Gizmo?
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GoodOff has three paid plans. Eligible trial offers are confirmed for the account and selected plan in the app. Starter starts at $4.99/mo and includes FSRS spaced repetition, AI flashcard generation, and all study modes. Gizmo has a free tier with 15 daily lives and up to 10 AI quizzes per day.
Can I import my Gizmo decks into GoodOff?
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Decks export to standard flashcard formats and import cleanly. You can also re-generate from the source files (PDFs, YouTube, PowerPoints) using GoodOff's AI.
What does Gizmo do better than GoodOff?
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Gizmo's gamification depth and 'addictive learning' loops are well-tuned, and the brand has been around longer with established reviews on multiple AI tool directories. If gamified daily quizzing is the primary driver for you, Gizmo is a strong fit.
What does GoodOff do better than Gizmo?
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FSRS spaced repetition by default with documented benchmarks, a built-in voice tutor for hands-free study, a Pomodoro timer, broader file-format support (90+ including DOCX, MP4, EPUB), full offline study, and a lower entry price ($4.99/mo vs $8.80/mo).
Why are reviewers mixed on Gizmo for large decks?
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User reviews on Smartpostly, Techpoint, and AllAboutAI report that Gizmo's spaced repetition struggles with decks over 100 cards — older cards get skipped while newer ones repeat. GoodOff uses FSRS, which is specifically designed to scale across thousands of cards without that problem.
Last updated: April 26, 2026. Gizmo feature and pricing data verified from gizmo.ai and 2026 third-party reviews on AllAboutAI, Smartpostly, and Techpoint. Pricing varies by promotion and region.
Built for retention.
FSRS by default, voice tutor included, half the price. Trial eligibility is confirmed for your account and selected offer in the app.