grsly vs Kitti
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
grsly
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Learn Japanese dynamically with spaced-repetition. Includes 3200 concepts (so far) including: verb/adjective conjugation patterns, counters, dates and times, vocab up through JLPT n4 and beyond, and hiragana / katakana (skippable). Grsly uses Appleβs Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Kitti
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Learn anything with a plan built around you. Kitti turns your learning goal into a personalized roadmap with bite-sized lessons, quick quizzes, daily reviews, and protected focus time. Choose what you want to learn, tell Kitti what success looks like, and follow a clear path from your first lesson to course completion. LEARNING MADE PERSONAL β’ Create a course for nearly any topic β’ Set your experience level and desired outcome β’ Review and refine your roadmap before starting β’ Learn through clear explanations, practical examples, and memorable takeaways β’ Test your understanding with quick quizzes and answer explanations REMEMBER WHAT YOU LEARN Kitti brings back previously studied concepts through daily challenges, helping you revisit material that is ready for another look. Track your review streak, mastery, and progress across each module. FOCUS WITH A COMPANION Start a flexible focus session whenever you are ready to study. Your animated companion stays beside you while you work, celebrates completed sessions, and earns fish as you make progress. MAKE KITTI YOURS Give your companion a name, choose from six colors, and select a backdrop that feels like home. Earn fish through learning and focus sessions, then use them to care for your companion. FOLLOW YOUR PROGRESS See your course progress, module mastery, review streak, earned fish, and total focus time in one place. Start a new learning plan anytime while keeping previous courses in your archive. Kitti uses AI to create personalized roadmaps, lessons, and quizzes. AI-generated content may contain mistakes, so verify important or fast-changing information with an authoritative source. An internet connection is required to create courses. Sign in with Apple is optional and can be used to keep your Kitti profile and progress available across supported devices. Terms of Use: https://kitti-rho.vercel.app/terms/ Privacy Policy: https://kitti-rho.vercel.app/privacy/
Screenshots
Verdict
The clearest difference is ads: Kitti at none against grsly's shown. Kitti also leads on update cadence (weekly vs every 6 weeks). grsly's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 26.1). On price and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. grsly sells 1 in-app purchase, starting at $4.99 per month and Kitti sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
grsly ships an update every 6 weeks, Kitti weekly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.
| Parameter | grsly | Kitti |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Weekly β better |
| Ads | Yes | No β better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 14.0 β better | 26.1 |
| Further details β not scored | ||
| Size | 17 MB | 31 MB |
| Age rating | 12+ | +17 |
| Developer | Satchel Spencer | Bryl Kezter Lim |
In-app purchases
grsly
- grsly pro$4.991 Month
Kitti
- Kitti Pro Monthly$4.991 Month
- Kitti Pro Yearly$39.991 Year









