Comparison

KarlLang vs StepJLPT

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

Head to head
About

KarlLang

Read full description

KarlLang is a typing-first vocabulary trainer for adult learners. Instead of tapping multiple choice options, you type every answer yourself. This helps build real recall, not just passive recognition. Learn across multiple languages including German, Japanese, Chinese, Spanish, French, and more. Features: β€’ Typing, copy, card, cram, and Word Drop training modes β€’ Spaced repetition (SRS) review system β€’ Typing hints and focused repetition training β€’ Difficult word and bookmark review β€’ Shareable learning summary cards β€’ CEFR-based vocabulary (A1–B2) KarlLang is designed for learners who want to actively train memory and build real output skills through typing and repetition.

About

StepJLPT

Read full description

Master JLPT from N5 to N1 with StepJLPT! StepJLPT is the ultimate Japanese self-study app designed to help you pass the JLPT (Japanese Language Proficiency Test) efficiently. From beginner N5 essentials to advanced N1 mastery, practice Kanji, Vocabulary, and Grammar step-by-step with structured learning and engaging quizzes. Key Features: Comprehensive Level Coverage: Complete study sets tailored for JLPT N5, N4, N3, N2, and N1. Kanji & Vocabulary Cards: Master essential readings (Onyomi, Kunyomi), meanings, and example sentences with interactive flashcards. Grammar Mastery: Clear explanations and usage patterns to understand core sentence structures. Practice Games & Quizzes: Reinforce your memory with Speed Quiz, Card Matching, and Survival challenges. Progress Tracking & Bookmarks: Monitor your study habits, review difficult words, and keep your prep on track. Start your journey to Japanese fluency today with StepJLPT!

Screenshots

KarlLang4 screens
StepJLPT4 screens

Verdict

The call

The clearest difference is in-app purchases: KarlLang at none against StepJLPT's 6. KarlLang also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. StepJLPT sells 6 one-off in-app purchases. KarlLang asks for nothing beyond the download.

UpkeepUpdate frequency

KarlLang ships an update monthly, StepJLPT every 4 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

Scorecard2 real differences Β· 4 level
KarlLang versus StepJLPT: the parameters behind the verdict, then further details
ParameterKarlLangStepJLPT
PriceFreeFree
Update frequencyMonthlyEvery 4 weeks β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details β€” not scored
Size35 MB82 MB
Age rating4+4+
DeveloperSung Chul Parkheesung jin

In-app purchases

None

KarlLang

No in-app purchases

6 purchases

StepJLPT

One-time6
  • κ΄‘κ³  제거$1.99
  • N4 λ§ˆμŠ€ν„° 팩$2.99
  • N3 λ§ˆμŠ€ν„° 팩$4.99
Show 3 more
  • N1 λ§ˆμŠ€ν„° 팩$5.99
  • N2 λ§ˆμŠ€ν„° 팩$5.99
  • 전체 패슀ꢌ 및 κ΄‘κ³ μ œκ±°$14.99

Questions

Is KarlLang free?
KarlLang is free to download, with no in-app purchases.
Is StepJLPT free?
StepJLPT is free to download, with in-app purchases available.
Do KarlLang or StepJLPT have ads?
StepJLPT shows ads; KarlLang does not.
Which is updated more often, KarlLang or StepJLPT?
KarlLang ships an update monthly, and StepJLPT every 4 weeks. Most recently, KarlLang was updated on October 24, 2026 and StepJLPT on October 7, 2026.

Other comparisons