Comparison

Uknow.AI vs 単語マスターX

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

Head to head

Uknow.AI

Unlimited Answer All Subjects

Free

📚 Education

★ 4.64.2K ratingsView app →

About

Uknow.AI

This AI-powered study assistant provides instant solutions and step-by-step guidance for all subjects, from math to writing. It offers video explanations, error analysis, and 24/7 support to help students improve their grades and understanding.

Highlights

AI-powered homework solutions
Step-by-step guidance
Support for all subjects
Video explanations
Wrongs Review for error analysis
24/7 instant help

Features

Read full description

Uknow.AI: Your all-in-one AI-powered study assistant, trusted by millions worldwide. Perfect for both college and high school students, it offers instant problem-solving, step-by-step guidance, and support across all subjects—not just math and science. From writing to reading, we’ve got your needs covered effortlessly. Enjoy features like Wrongs Review and visual explanations. Affordable and available 24/7 for faster, clearer learning. Download Uknow.AI today! 24/7 Help Anytime Get instant AI solutions and live tutor support whenever you need it. All Subjects, One Platform From math to history, Uknow.AI supports all your coursework in one app. Proven by Millions Trusted by students worldwide to boost grades and confidence. Real testimonials showcase how Uknow.AI outshines competitors like Brainly and Photomath. Learn with Videos More than step-by-step text explanation, also offering video-explanations for your depth understanding. Better Math Solutions Solve tough problems like calculus and physics faster and more accurately. Learn Better Together Real-life examples make studying more relatable for everyone. Master Your Mistakes "Wrongs Review" mode identifies your errors, explains them, and helps you improve step by step. Uknow.AI Privacy Policy:https://api.checkmath.net/cm/privacy/en Uknow.AI User Agreement :https://api.checkmath.net/cm/agreement/en Agreement for Uknow.AI plus membership service: https://api.checkmath.net/leo/h5/checkmath-web-vip/use-agreement.html

About

単語マスターX

Features

Read full description

315語の英単語を10カテゴリで効率的に学習できるアプリです。【主な機能】 - フラッシュカードで単語を覚える - 4択クイズ/スペリングクイズで実力チェック - 学習進捗トラッキング（連続学習日数、正答率） - 今日の単語で毎日新しい単語に出会える【10カテゴリ】日常生活/旅行/ビジネス/食べ物/感情/テクノロジー/健康/自然/スポーツ/教育完全無料で広告なし。毎日の英語学習にぜひご活用ください。

Screenshots

Uknow.AI4 screens

単語マスターX4 screens

Verdict

The call

The clearest difference is in-app purchases: 単語マスターX at none against Uknow.AI's 14. 単語マスターX also leads on ads (none vs shown). Uknow.AI's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Uknow.AI sells 14 in-app purchases, starting at $1.99 per month. 単語マスターX asks for nothing beyond the download.

UpkeepUpdate frequency

Uknow.AI ships an update weekly, 単語マスターX every 2 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level

Uknow.AI versus 単語マスターX: the parameters behind the verdict, then further details
Parameter	Uknow.AI	単語マスターX
Price	Free	Free
Rating	4.6 (4.2K ratings) — better	—
Positive reviews	77.7% of reviews	—
Number of ratings	4.2K — better	—
Update frequency	Weekly — better	Every 2 weeks
Ads	Yes	No — better
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	13.0 — better	17.0
Further details — not scored
Size	121 MB	6 MB
Age rating	4+	4+
Developer	Study Evolution EdTech Pte. Ltd.	SANWA Inc.