Comparison

iKnow! vs ハウスクリーニング技能士対策

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

Head to head
About

iKnow!

Master Japanese, Chinese, and English with this app's adaptive learning engine. It offers multiple study modes and synchronizes your progress across devices for flexible learning. Ideal for anyone looking to efficiently acquire new vocabulary and sentence structures.

Highlights
  • Adaptive learning engine
  • Spaced rehearsal pattern
  • Five study modes
  • Vocabulary and sentence mastery
  • Progress synchronization
  • Audio playback with speed control
Features
Read full description

Enjoy the iKnow! experience on your phone or tablet! All your iKnow! study progress is automatically synched across devices, so you can study in the way that best matches your needs and lifestyle. “Japanese, Chinese, and English” Official courses are offered for studying Japanese, Chinese, and SAT English. The Japanese courses cover the 6,000 most commonly used words in Japanese. The Chinese courses cover the 2,000 most commonly used words in spoken Chinese and over 1,200 words commonly used in newspapers and magazines. (All Chinese courses are available in both Traditional and Simplified Chinese.) All words have sample sentences and audio. “The iKnow! Learning Engine” iKnow! presents items in a spaced rehearsal pattern optimized for efficient learning. iKnow! adapts to differences in learning speeds and item difficulty, constantly measuring memory and predicting performance across all of your items. iKnow! does this by tracking your performance and then predicting your optimal review time on an item-by-item basis. All you have to do is push the study button, and iKnow! tells you what to learn. ************** Features: - Five study modes: iKnow!, Rapid Choice, Self Check, Sentence Trainer, and Listening. - iKnow!: Master words and phrases with our patented learning algorithms. - Rapid Choice: Fast-paced quizzing and review. - Self Check: Judge yourself on what you know and how well. - Sentence Trainer: Master sentence patterns by listening and then dictating. - Listening: Listen to content on the go. You can slow down and loop any audio. - Study progress synched across supported devices.

About

ハウスクリーニング技能士対策

Features
Read full description

ハウスクリーニング技能士の対策クイズアプリです。 本番を想定したオリジナル問題192問を収録。章別学習・ランダム演習・模擬試験で効率的に合格を目指せます。 【収録内容】 ・全192問、四肢択一形式 ・全問に詳しい解説付き ・章別の学習進捗トラッキング ・間違えた問題の自動復習リスト+ブックマーク ・模擬試験モードで実戦演習 【アプリの特長】 ・完全オフライン動作(通信不要) ・アカウント登録・ログイン不要 ・広告なし、追加課金なし(買い切り型) ・データ収集は一切行いません ※本アプリは非公式の学習支援アプリであり、試験実施団体とは一切関係ありません。収録問題は公開情報に基づき独自に作成したオリジナル問題です。 通勤・通学などのスキマ時間の学習に。ハウスクリーニング技能士の合格対策にお役立てください。

Screenshots

iKnow!4 screens
ハウスクリーニング技能士対策4 screens

Verdict

The call

The clearest difference is price: iKnow! at Free against ハウスクリーニング技能士対策's $3.99. ハウスクリーニング技能士対策's advantage is in-app purchases (none vs 10). On update cadence, ads, device support 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

iKnow! is free to download; ハウスクリーニング技能士対策 costs $3.99 up front. iKnow! sells 10 one-off in-app purchases. ハウスクリーニング技能士対策 asks for nothing beyond the download.

UpkeepUpdate frequency

iKnow! ships an update every 5 weeks, ハウスクリーニング技能士対策 every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
iKnow! versus ハウスクリーニング技能士対策: the parameters behind the verdict, then further details
ParameteriKnow!ハウスクリーニング技能士対策
PriceFree — better$3.99
Rating4.8 (491 ratings) — better—
Positive reviews78.6% of reviews—
Number of ratings491 — better—
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size19 MB33 MB
Age rating4+4+
DeveloperDMM.com LLCsatoshi yoshida

Bugs and requests

iKnow!

Reported bugs

4 issues
  • Crashes on startup
  • Blank screens during multiple-choice questions
  • Issues with typing answers and registering input
  • Audio not playing for some example sentences

Requested features

7 requests
  • Add more languages beyond Japanese and Chinese
  • Improve community course integration
  • Implement a dark mode
  • Add more example sentences per word
  • Provide an option to learn without kanji
Show 2 more
  • Implement a notification system for review reminders
  • Add grammar drills and kanji writing practice

ハウスクリーニング技能士対策

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

iKnow!

One-time10
  • 3 Month Plan$23.99
  • 12 Month Plan$39.99
  • 12+1 Month Plan$39.99
Show 7 more
  • 6 Month Plan$47.99
  • 6+1 Month Plan$47.99
  • 12+3 Month Plan$54.99
  • 12 Month Plan$59.99
  • 12 Month Plan$64.99
  • 12+1 Month Plan$64.99
  • 12 Month Plan$69.99
None

ハウスクリーニング技能士対策

No in-app purchases

Questions

Is iKnow! free?
iKnow! is free to download, with in-app purchases available.
Is ハウスクリーニング技能士対策 free?
ハウスクリーニング技能士対策 costs $3.99, with no in-app purchases.
Do iKnow! or ハウスクリーニング技能士対策 have ads?
Neither iKnow! nor ハウスクリーニング技能士対策 shows ads.
Which is updated more often, iKnow! or ハウスクリーニング技能士対策?
iKnow! ships an update every 5 weeks, and ハウスクリーニング技能士対策 every 3 weeks. Most recently, iKnow! was updated on November 6, 2026 and ハウスクリーニング技能士対策 on October 31, 2026.

Other comparisons