Math Orbs vs 99乘法大挑戰:九九乘法練習
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!
99乘法大挑戰:九九乘法練習
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讓孩子先看懂乘法,再慢慢記熟。 「99乘法大挑戰」用積木圖解、語音口訣與短回合練習,陪國小低年級孩子一步步學會九九乘法。家長也能輕鬆掌握學習進度,知道今天可以怎麼陪。 完整 ×2 免費體驗。無廣告、不需註冊帳號,學習內容可離線使用。 【跟著冒險,一關一關學會】 從積木看懂乘法,再自己算算,最後完成關卡挑戰。29 關循序練習 2×2~9×9 的 64 個算式,讓孩子依自己的節奏累積理解與信心。 【看圖、聽提示,再試一次】 用等量分組的積木,理解「每組幾個 × 有幾組」。遇到卡住的題目,可以聽分步提示、看積木示範,再試著作答。 【短短一回合,練習更有方向】 自由選擇想加強的乘法組別,或用混合練習試試不同組合。今日短複習依學習紀錄安排最多 5 個算式,隔一段時間再想一次;也能反覆聽整組或單句口訣。 【看見努力,也看見進步】 努力星與貼紙鼓勵每一次投入,答錯不扣努力星。「我的乘法」讓孩子看看學到哪裡;家長學習總覽與完整報告呈現近期活動、分組進度與算式熟悉度,幫助安排下一步練習。 【把陪學與鼓勵帶到紙上】 在家長專區預覽、列印、儲存或分享紙筆練習單與榮譽證書。孩子檔案、朗讀、音效與提醒集中管理;解鎖完整內容後,可為多位孩子各自保存進度與收藏。 【安心開始,清楚付費】 免費內容:完整 ×2 教學與練習、8 個算式進度,以及家長學習總覽、報告與提醒。 一次買斷:解鎖 ×3~×9、全部混合練習、完整 64 題圖鑑、混合檢查站、最終挑戰與多孩子檔案。無訂閱;主線關卡仍依學習順序開啟。 適合約 6~8 歲、已理解加法,正開始接觸乘法的國小低年級孩子。 隨附語音可離線播放,不使用麥克風,無第三方追蹤或分析。學習紀錄保存在裝置上。購買與回復購買須通過家長驗證並連線 Apple 商店;回復購買可取回內容使用權,不會復原已刪除的學習紀錄。
Screenshots
Verdict
The clearest difference is price: 99乘法大挑戰:九九乘法練習 at Free against Math Orbs's $0.99. Math Orbs's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On update cadence, ads 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
99乘法大挑戰:九九乘法練習 is free to download; Math Orbs costs $0.99 up front. 99乘法大挑戰:九九乘法練習 sells 1 one-off in-app purchase. Math Orbs asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.
| Parameter | Math Orbs | 99乘法大挑戰:九九乘法練習 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 72 MB | 118 MB |
| Age rating | 4+ | 4+ |
| Developer | Knowledge Vortex, LLC | HSIHSUN HO |
In-app purchases
Math Orbs
No in-app purchases
99乘法大挑戰:九九乘法練習
- 完整乘法學習・一次買斷$4.99









