JLPT N4 です vs 4e
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JLPT N4 です
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Build your Japanese skills with JLPT N4 Complete Prep. Practice kanji and vocabulary with English meanings, clear questions, and easy-to-read answer choices. Study a little each day and review what you have learned. KANJI PRACTICE • Practice kanji readings and choose the correct kanji. • Choose a quick 10-question quiz, daily practice, or a full question set. • Check your answers and review missed questions. VOCABULARY PRACTICE • Explore 845 vocabulary questions across 14 themed lessons. • Study words for daily life, people, nature, verbs, and more. • Browse vocabulary lists and tap to reveal English meanings. • Track your progress and revisit words that need more practice. STUDY REMINDERS • Choose your reminder days and time. • Receive a countdown to the December 6, 2026 JLPT exam. Make kanji and vocabulary practice part of your daily routine. This app contains ads and is an independent study tool. It is not affiliated with or endorsed by the official JLPT organizers.
4e
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Challenging Rewards : A new approach to engage/train Security Guards. 4e is a brand-new reward-based App that is a designed for Security Guards to be more engaged and efficient. 4e will provide onboarding, continuous site-specific training, and incentivizes patrols.
Screenshots
Verdict
The clearest difference is ads: 4e at none against JLPT N4 です's shown. 4e also leads on iOS requirement (15.6 vs 18.6). JLPT N4 です's advantage is update cadence (every 3 months vs every 19 months). On price, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
JLPT N4 です ships an update every 3 months, 4e every 19 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | JLPT N4 です | 4e |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 19 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 7 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | hiromu izuwa | TYLER BRENTNELL |
In-app purchases
JLPT N4 です
No in-app purchases
4e
No in-app purchases
Questions
Is JLPT N4 です free?
Is 4e free?
Do JLPT N4 です or 4e have ads?
Which is updated more often, JLPT N4 です or 4e?
Other comparisons
