Comparison

Hypothesis Test vs 奇蹟背單字

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

Head to head
About

Hypothesis Test

Perform Type I Error hypothesis testing with customizable null hypotheses and sample sizes. Calculate alpha errors or acceptance/rejection ranges with detailed, step-by-step solutions. Save and share your calculations.

Highlights
  • Type I Error hypothesis testing
  • Calculate alpha error
  • Calculate acceptance/rejection range
  • Right, left, or bilateral tests
  • Step-by-step solution display
  • Calculation history
  • Shareable results
Features
Read full description

This app provides the ability to perform Type I Error hypothesis testing. The null hypothesis and sample size can be specified. Depending on the selected mode, the alpha error or the acceptance or rejection range can be calculated. The different modes offer the possibility of performing right-sided, left-sided or bilateral tests. For this purpose, k1 and/or k2 can be specified for mode I or II. Various modifications can be made to calculate the acceptance and rejection ranges. It is important to note whether X should be greater than/equal to or less than/equal to k. P(X)≤ α is always assumed. The solution is shown step by step. All calculations are saved in history. The final solution can be shared. [ Contents ] - 2 modes to calculate alpha error with right, left or bilateral tests - 4 modes for calculating acceptance and rejection range depending on α - Results are calculated and displayed in detail - History to save input - detailed solution - Natural numbers and decimal numbers are supported depending on the variable - no ads! [ Use ] - There are fields for entering values using a special keyboard - Click on the checkmark button at the bottom right to start the calculation - If values are missing, the corresponding field is highlighted in yellow - If the values are incorrect, the affected field is highlighted in red - a short message explains why a value is incorrect - The entries in the history can be deleted or sorted - When you select an entry in the history, it is automatically loaded for calculation - All history can be deleted at the touch of a button - Solutions can be shared

About

奇蹟背單字

Features
Read full description

告別傳統死記硬背,OK背單字運用先進的 AI 技術和科學的記憶方法,讓你輕鬆掌握英語單字!無論是學生、上班族還是英語學習愛好者,都能找到最適合自己的學習方式。 核心特色 • AI 智慧記憶系統 - 根據艾賓浩斯遺忘曲線,智能安排複習時間 - 自動分析你的記憶特點,打造個人化學習計劃 - 精準把握複習黃金時間 • 情境化學習 - 生活場景加深印象 - 趣味故事連結,讓單字更好記 - 實用例句幫助理解和運用 • 科學記憶方法 - 詞根詞綴分析,舉一反三 - 聯想記憶法,加深印象 - 分級學習系統,循序漸進 • 貼心功能 - 發音練習 - 學習數據分析 - 每日打卡提醒 適合人群 • 準備各類英語考試的學生 • 想提升職場競爭力的上班族 • 自學英語的語言愛好者 • 需要系統學習英語的各類人群 使用效果 • 詞彙量快速提升 • 記憶更持久 • 學習更有趣 • 應用更靈活 特別福利 • 豐富的免費詞庫 • 每日學習任務獎勵 • 定期舉辦學習競賽 • 專業語言老師在線指導 用戶反饋 "終於找到一個讓我堅持下來的背單字 APP!" "介面設計很精美,用起來很順手" "推薦功能特別貼心,幫我省去很多時間" 立即下載 OK背單字,開啟你的英語學習新旅程! 【自動訂閱服務說明】 訂閱服務:OK背單字會員年卡(12個月)、OK背單字會員月卡(1個月) 自動續費:蘋果iTunes帳戶會在到期前24小時內扣款,扣款成功後訂閱週期將順延一個訂閱週期。 關閉服務:您可以在iPhone的「設定」--> 進入「iTunes Store 與 App Store」--> 點擊「Apple ID」,選擇「查看Apple ID」,進入「帳戶設定」頁面,點擊「訂閱」,管理自動訂閱服務。如需取消,請於每個計費週期結束前24小時關閉即可;若在到期前24小時內操作,則不會再扣款。 隱私協議:https://wordtw.wordbye.cn/agreement?type=privacy 使用條款: https://wordtw.wordbye.cn/agreement?type=agreement 標準Apple使用條款(EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Hypothesis Test4 screens
奇蹟背單字4 screens

Verdict

The call

The clearest difference is price: 奇蹟背單字 at Free against Hypothesis Test's $1.99. 奇蹟背單字 also leads on update cadence (every 5 days vs monthly) and ratings volume (4 vs 1). Hypothesis Test's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 3). On 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

奇蹟背單字 is free to download; Hypothesis Test costs $1.99 up front. 奇蹟背單字 sells 3 in-app purchases, starting at $1.99 per month. Hypothesis Test asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hypothesis Test holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UpkeepUpdate frequency

Hypothesis Test ships an update monthly, 奇蹟背單字 every 5 days. The most recent releases landed on August 24, 2026 and August 20, 2026 respectively.

Scorecard5 real differences · 5 level
Hypothesis Test versus 奇蹟背單字: the parameters behind the verdict, then further details
ParameterHypothesis Test奇蹟背單字
Price$1.99Free — better
Rating5.0 (1 ratings) — better3.8 (4 ratings)
Positive reviews—40.0% of reviews
Number of ratings14 — better
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size180 MB47 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRByteTechVista LTD

Customer experience

Hypothesis Test

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

奇蹟背單字

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

None

Hypothesis Test

No in-app purchases

3 purchases

奇蹟背單字

Subscriptions2
  • 背單字會員月卡$1.991 Month
  • 背單字會員年卡$17.991 Year
One-time1
  • 終身會員$12.99

Questions

Is Hypothesis Test free?
Hypothesis Test costs $1.99, with no in-app purchases.
Is 奇蹟背單字 free?
奇蹟背單字 is free to download, with in-app purchases available.
Which has better reviews, Hypothesis Test or 奇蹟背單字?
Hypothesis Test is rated higher. Hypothesis Test averages 5.0 out of 5 from 1 ratings, while 奇蹟背單字 averages 3.8 from 4 ratings.
Do Hypothesis Test or 奇蹟背單字 have ads?
Neither Hypothesis Test nor 奇蹟背單字 shows ads.
Which is updated more often, Hypothesis Test or 奇蹟背單字?
Hypothesis Test ships an update monthly, and 奇蹟背單字 every 5 days. Most recently, Hypothesis Test was updated on August 24, 2026 and 奇蹟背單字 on August 20, 2026.

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