Comparison

Antodo vs Challenge21

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

Head to head
About

Antodo

This app helps you stay organized and motivated by breaking down tasks into manageable steps. Earn rewards for completing to-dos and discover the lives of ant characters as you progress. It's designed to encourage consistent effort, even for small tasks.

Highlights
  • Task management
  • Daily planning
  • Gamified rewards (star candies)
  • Character collection
  • Motivation for lazy users
  • Small task tracking
Features
Read full description

Antodo, a reliable helper who will help the lazy person with determination! #Lazy #You can do it too #Stop trying for 3 days #1 star candy a day From sorting waste to going to the bank. Write down what you have to do, even if it's a small task, and put it into practice. “What to do? I’ll destroy everything..!!!” If you do everything you need to do, you get a sweet star candy. If you consistently collect star candies, you can meet various ant friends and get a glimpse into their daily lives. Sounds fun, right? :) An exploration of the ant life of those of us who want to live hard like ants!

About

Challenge21

Read full description

你是否曾經下定決心要改變,卻在幾天後就放棄了? Challenge21 以「21天習慣養成」科學原則為核心,幫助你建立持久的好習慣。透過每日打卡、視覺化進度與遊戲化激勵,讓改變不再是負擔,而是每天期待的成就感。 【核心功能】 四種習慣類型 • 打卡型:閱讀、早起、冥想等簡單每日習慣 • 計時型:設定目標時長,專注完成(支援背景計時) • 喝水型:設定每日目標毫升數,分次記錄 • 運動型:記錄有氧距離與重訓組數 21天視覺化進度 • 熱力圖格子追蹤每日完成狀況 • 週柱狀圖呈現本週表現趨勢 • 連續天數、完成率等詳細統計 成就與升級系統 • 累積經驗值(XP)、解鎖等級 • 5 個里程碑成就:7天連續、21天達成等 • 完成挑戰後自動生成總結報告 個人化設定 • 自由選擇習慣 Emoji 與顏色標籤 • 6 個預設習慣範本快速開始 • 暗色 / 亮色主題自由切換 • 繁體中文 / 英文介面 完全本機儲存 • 所有資料儲存在你的裝置上,無需帳號,保護隱私 【適合你的情境】 • 想培養閱讀習慣 • 想堅持每天運動 • 想戒掉拖延,建立早起習慣 • 想每天喝足夠的水 • 任何你想在 21 天內養成的目標 打開 Challenge21,今天就開始你的第一個挑戰。

Screenshots

Antodo4 screens

Verdict

The call

The clearest difference is in-app purchases: Challenge21 at none against Antodo's 4. Antodo's advantage is device support. On price 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

Both are free to download. Antodo sells 4 one-off in-app purchases. Challenge21 asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Antodo versus Challenge21: the parameters behind the verdict, then further details
ParameterAntodoChallenge21
PriceFreeFree
Rating4.6 (7 ratings) — better—
Positive reviews96.4% of reviews—
Number of ratings7 — better—
Update frequencyMonthly—
AdsYes—
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — better—
Requires iOS15.115.1
Further details — not scored
Size91 MB31 MB
Age rating4+4+
Developerseungmin leeAstra Zenith Ltd.

In-app purchases

4 purchases

Antodo

One-time4
  • 25 candies$0.99
  • 55 candies$1.99
  • 90 candies$2.99
Show 1 more
  • Pro$3.99
None

Challenge21

No in-app purchases

Questions

Is Antodo free?
Antodo is free to download, with in-app purchases available.
Is Challenge21 free?
Challenge21 is free to download, with no in-app purchases.

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