N vs KoreanFox
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
N
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A daily training app based on the N-Back task, widely used in cognitive psychology research. Challenge your working memory with just 5 minutes a day. β 3 TRAINING MODES β’ Single β Position: Memorize lit positions on a 3Γ3 grid β’ Single β Audio: Remember spoken letters via text-to-speech β’ Dual β Position + Audio: Train both at the same time for the ultimate challenge β TRACK YOUR GROWTH β’ Accuracy trend chart and session history β’ Highest N-level reached β’ Streak counter to build a daily habit β’ iCloud sync keeps your training data on every device β COMPETE & ACHIEVE β’ Game Center leaderboards: accuracy, max N-level, streak β’ 8 achievements from your first session to 30-day streaks β DESIGNED FOR FOCUS β’ Zero ads during training β your concentration comes first β’ Clean, minimal interface inspired by fitness tracking tools β SIMPLE PRICING β’ Free to use with occasional ads (never during training) β’ Optional Premium subscription removes all ads. Every training feature stays free β ADJUSTABLE DIFFICULTY β’ N-1 to N-9: start easy and progress at your own pace β’ Suitable for students, professionals, and anyone looking to challenge their cognitive abilities Note: This app is a cognitive training tool based on the N-Back task used in research. It is not a medical device and does not diagnose, treat, or prevent any condition. Improvement in cognitive function is not guaranteed. Premium is an auto-renewing monthly subscription. Payment is charged to your Apple Account, and the subscription renews automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel it anytime in your Apple Account settings. Terms of Use: https://fukuidinotech.github.io/nback-training-site/terms.html Privacy Policy: https://fukuidinotech.github.io/nback-training-site/privacy.html Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
KoreanFox
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Learn Korean step by step with KoreanFox, from your first Hangul sounds to vocabulary and grammar for TOPIK study. START WITH HANGUL Learn vowels and consonants, follow stroke-order guides, and combine letters into syllables. Listen to Korean sounds and practise writing them. BUILD VOCABULARY AND GRAMMAR Explore vocabulary organised into six study levels and grammar lessons across five stages. Learn word meanings and use available example sentences to see how words work in context. You can open the TOPIK vocabulary section directly without completing the Hangul course first. LISTEN, WRITE AND SPEAK Listen to words and sentences, practise handwriting, and record your voice to listen back and compare. Microphone and speech-recognition permissions are used for speaking practice. MAKE REVIEW A HABIT Set a daily learning goal, revisit mistakes and use spaced review. Choose reminder hours that fit your day and exclude your sleeping hours. CHOOSE YOUR LANGUAGE The interface is available in English, Japanese, Traditional Chinese and Vietnamese. No separate KoreanFox account is required. FREE LEARNING AND PREMIUM Hangul basics and review of previously started learning are free. Free access includes 10 new words and one new grammar lesson per day and may show ads. KoreanFox Premium removes ads and daily limits on new learning. Choose a monthly or yearly auto-renewable subscription, or a one-time lifetime Premium purchase. Prices are displayed in the app before purchase and may vary by region. Payment is charged to your Apple Account when you confirm your purchase. Monthly and yearly subscriptions renew automatically. Manage or cancel them in your Apple Account subscription settings. Restore eligible purchases from Settings in KoreanFox. Study levels are KoreanFox learning recommendations, not official TOPIK vocabulary lists. KoreanFox is not affiliated with the TOPIK organiser. Privacy Policy: https://koreanfox-privacy.superb-jinwoo.chatgpt.site Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
N and KoreanFox are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. N sells 1 in-app purchase, starting at $1.99 per month and KoreanFox sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
N ships an update every 3 days, KoreanFox every 5 days. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.
| Parameter | N | KoreanFox |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Every 5 days |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details β not scored | ||
| Size | 5 MB | 227 MB |
| Age rating | 4+ | 12+ |
| Developer | Toru Fukui | JINWOO KIM |
In-app purchases
N
- Premium (Monthly)$1.991 Month
KoreanFox
- KoreanFox Premium Monthly$1.991 Month
- KoreanFox Premium Yearly$14.991 Year
- KoreanFox Premium Lifetime$29.99









