Comparison

Ludus vs Kimchi

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ludus

This app helps you learn new languages faster by automatically creating study decks from pre-loaded dictionaries. It uses a smart spaced repetition system to schedule reviews right before you forget words, ensuring efficient learning and better long-term memory retention.

Highlights
  • Pre-loaded dictionaries
  • Automatic daily review decks
  • Spaced Repetition Scheduler (FSRS)
  • Word definitions and grammar info
  • AI Sentence Generator
  • AI Scan Tool
Features
Read full description

Learn Korean and French from the ground up. Start with grammar, then build vocabulary that sticks past a streak. Ludus teaches you how the language actually works: how Hangul letters build into syllables, how sentences fit together, and why the rules are what they are. Join 2,000+ learners mastering language, one lesson at a time. Stadiums We breaks lesson units down into stadiums, structured paths that take you from your first letters and sounds, step by step. Each stadium is a short run of lessons and activities that builds on the last, so you always know what you've learned and what comes next. Read Hangul New to Korean? Start with the alphabet. Lessons break down consonants and vowels and show how they combine into syllable blocks, and our Character Stroke game lets you practice writing each letter. With regular practice, you can start reading Hangul within two weeks! Understand the language Stop learning random vocabulary that doesn't appear in daily life. Lessons teach foundations and grammar concepts, so you know why something is right instead of guessing. You build real structure first, then add vocabulary on top. Discover 1M+ premade flashcards Search through our built-in dictionaries, read definitions, and save any word in one tap. Saved words join your daily review automatically, so you spend your time learning instead of making flashcards or remaking sets. Reviews are scheduled with FSRS, a spaced-repetition algorithm that adapts to how well you recall each word. Words surface right before you forget them. Games Play live multiplayer games in the classroom, or play solo Gravity and destroy vocab asteroids before they reach the bottom of your screen. There is a way to study for every kind of learner. Starter characters Select from our three starters: Marmunch, Lucifin, and Dribbit! Study vocabulary and go through stadiums to level them up with XP. Complete the fourth stadium lesson to unlock our newly added character Pandit. No ads. No AI tutor. Just lessons and real progress. Subscriptions Ludus Premium unlocks all stadium lessons, languages, and unlimited flashcards. Plans are $7.99 per month or $59.99 per year, and prices may vary by region. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel anytime in your Apple ID settings. Terms of Use: https://ludusapp.com/terms Privacy Policy: https://ludusapp.com/privacy-policy Support: admin@ludusapp.com

About

Kimchi

Features
Read full description

Kimchi is the AI-driven operational OS built for multi-location brands to build, execute, and continuously improve their standards in one place. Create your SOPs, build digital training, and launch AI-first checklists instantly. As team members complete tasks, Kimchi’s AI agents cross-analyze field data and guest feedback to spot process breakdowns, drafting human-approved updates to keep your entire organization executing at peak level. Built for Scaled Operations: → Build & Train: Easily define SOPs, digitize team training, and launch smart, interactive checklists. → Diagnose & Refine: AI agents aggregate guest feedback and operational data to pinpoint issue areas and suggest targeted SOP fixes. → Prove & Scale: Human experts approve changes, Kimchi tracks the impact, and proven improvements roll out system-wide. → Define your standards. Execute in the field. Let AI fuel continuous improvement. Want to learn more? https://usekimchi.com/

Screenshots

Ludus4 screens
Kimchi4 screens

Verdict

The call

The clearest difference is in-app purchases: Kimchi at none against Ludus's 2. Kimchi also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ludus sells 2 in-app purchases, starting at $7.99 per month. Kimchi asks for nothing beyond the download.

UpkeepUpdate frequency

Ludus ships an update weekly, Kimchi every 10 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Ludus versus Kimchi: the parameters behind the verdict, then further details
ParameterLudusKimchi
PriceFreeFree
Rating4.8 (123 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings123 — better—
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size175 MB52 MB
Age rating4+4+
DeveloperLudus-Language, Inc.Inventure Digital GmbH

In-app purchases

2 purchases

Ludus

Subscriptions2
  • Academic Weapon$7.991 Month
  • Annual Subscription7 Days trial$59.991 Year
None

Kimchi

No in-app purchases

Questions

Is Ludus free?
Ludus is free to download, with in-app purchases available.
Is Kimchi free?
Kimchi is free to download, with no in-app purchases.
Do Ludus or Kimchi have ads?
Neither Ludus nor Kimchi shows ads.
Which is updated more often, Ludus or Kimchi?
Ludus ships an update weekly, and Kimchi every 10 days. Most recently, Ludus was updated on October 30, 2026 and Kimchi on October 25, 2026.

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