Math Orbs vs 零鴨蛋
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Math Orbs
This app offers Grade 1-6 algebra practice for children, allowing parents to track progress and identify areas of difficulty. It features interactive quests, collectible orbs, and a virtual scratchpad for calculations, making learning engaging and eliminating the need for workbooks.
- Grade 1-6 algebra practice
- Parental progress tracking
- Identify areas of struggle
- Interactive quests
- Collectible orbs
- Virtual scratchpad
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Math Orbs is a math app that lets parents track their children's progress through Grade 1—6 algebra as they practice what they've learned. - Say goodbye to grading your child’s answers in workbooks! - Grades 1—6 algebra: never buy that “next grade” workbook again! - Scribbles for incorrect answers are recorded, helping you identify where and why they are struggling. - Track their overall progress and performance with statistics such as overall percentage score, time taken per quest, and time spent per question. Your kids will: - Practice Grade 1–6 arithmetic that becomes progressively more challenging, including addition, subtraction, multiplication, division, decimals, and fractions. - Unlock beautiful orbs every time they pass a quest. Try to collect them all! - Use the built-in virtual scribble pad for calculations—no paper or pencil needed! - No longer able to peek at the answers from the back of workbooks! Download Math Orbs today and help your kids become math wizards!
零鴨蛋
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零鴨蛋 — 為 3 到 10 歲孩子打造的中文與英文學習樂園。從注音入門、國字筆順、數學練習，到中英文手寫遊戲，搭配獎勵卡系統讓孩子主動想練習。一個 App，陪伴孩子從學齡前到國小中年級。 【學習內容】 - 注音符號：認識 37 個注音符號 + 4 種聲調，從點讀到拼讀 - 國字筆順：正確書寫順序示範與練習，內建常用字庫 - 寫字練習：手寫即時辨識，寫對才能過關 - 數學練習：基礎運算題庫，配合國小低年級進度 - 英文聽音手寫：聽發音、寫單字，訓練聽寫能力 - 中翻英手寫：看中文寫英文，邊玩邊背單字（本版新增） - 筆順查詢：隨時查任何國字的標準筆順，作業好幫手 - 自訂練習單：家長可挑字組題，配合孩子當週課程 【家長放心的設計】 - 完全離線：無需網路，旅途、外出皆可使用 - 零廣告：沒有任何廣告打斷學習 - 零追蹤：不收集任何個人資料 - 無內購干擾：所有功能都包含在 App 內 - 家長密碼鎖：獎勵設定區由家長控制，孩子不能自己領獎 - 多孩子檔案：一個 App 支援多位孩子，各自進度獨立 【獎勵卡系統】 完成練習關卡可集滿章，兌換家長預先設定的獎勵（如：選一部卡通、買冰淇淋、去公園）。讓孩子在練習中累積成就感，主動想要打開 App 練字。 【為什麼叫「零鴨蛋」？】 台語「零鴨蛋」是考試零分的意思。我們做這個 App，就是希望從現在開始，每張考卷上都不會再出現那顆鴨蛋。 【適合對象】 小一到小六都適合使用
Screenshots
Verdict
The clearest difference is price: 零鴨蛋 at Free against Math Orbs's $0.99. Math Orbs's advantage is iOS requirement (13.0 vs 15.5). On update cadence, ads, 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
零鴨蛋 is free to download; Math Orbs costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Math Orbs ships an update weekly, 零鴨蛋 fortnightly. The most recent releases landed on August 1, 2026 and September 10, 2026 respectively.
| Parameter | Math Orbs | 零鴨蛋 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 72 MB | 191 MB |
| Age rating | 4+ | 4+ |
| Developer | Knowledge Vortex, LLC | wei ming chen |
In-app purchases
Math Orbs
No in-app purchases
零鴨蛋
No in-app purchases
