Comparison

小灵鸭 vs KeyMemo

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

Head to head
About

小灵鸭

Features
Read full description

小灵鸭,让学习像游戏一样有趣!在这里,所有知识化身一个个挑战关卡,等你来征服,快来开启你的知识冒险之旅吧! 【玩中学,学中玩】告别传统的学习方式,小灵鸭将知识点融入到精心设计的关卡中。你将在闯关的过程中不知不觉地掌握知识,体验学习的乐趣! 【你的学习,你做主】小灵鸭支持自定义学习内容,你可以根据自己的学习目标和兴趣爱好,创建个性化的学习内容。无论是备考、技能提升,还是兴趣爱好拓展,小灵鸭都能满足你的需求。 【智能出题,高效练习】根据知识点自动生成各种题型和干扰项,全面考察你的学习成果,帮助你巩固知识,查漏补缺,精准练习,事半功倍! 【丰富关卡,等你挑战】除了普通关卡,还有刺激的怪兽关卡等你来挑战!不同的关卡模式,不同的难度等级,让你在挑战中不断突破自我,获得满满成就感!

About

KeyMemo

Features
Read full description

KeyMemo is a password manager designed for iPhone and iPad. Store and organize website accounts, app logins, notes, and related information in one secure place. Quickly search and manage your entries with categories, tags, and favorites. KeyMemo does not operate its own cloud storage service for passwords. Data protection relies on Apple technologies such as device security and iCloud Keychain, depending on your system settings and iCloud configuration. Features: * Password vault with create, edit, delete, and search support * Categories, tags, and favorites for better organization * Biometric unlock using Face ID or Touch ID * Optional master password protection * Strong password generator with customizable options * Security checkup for weak, short, or reused passwords * Clipboard auto-clear options for sensitive information * Local-first experience focused on privacy Premium Features: * More storage entries * Custom app icons and themes * iCloud sync related capabilities * Import and export support for CSV, JSON, and KeyMemo backup files Important Notes: * iCloud sync requires an Apple ID and iCloud Keychain enabled on your device * Initial synchronization may take time due to system-level delays * Please keep exported files and backup passwords secure KeyMemo uses Face ID and Touch ID only for app unlock and sensitive operations. No password manager can guarantee absolute security. Please also protect your device passcode, Apple ID, and keep your system updated. Thank you for choosing KeyMemo.

Screenshots

小灵鸭4 screens
KeyMemo4 screens

Verdict

The call

The clearest difference is update cadence: KeyMemo at daily against 小灵鸭's every 3 weeks. 小灵鸭's advantage is iOS requirement (15.0 vs 17). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 小灵鸭 sells 3 one-off in-app purchases and KeyMemo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

小灵鸭 ships an update every 3 weeks, KeyMemo daily. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 5 level
小灵鸭 versus KeyMemo: the parameters behind the verdict, then further details
Parameter小灵鸭KeyMemo
PriceFreeFree
Positive reviews75.0% of reviews—
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17
Further details — not scored
Size32 MB12 MB
Age rating4+4+
DeveloperShanghai Shuyi Education Technology Co., Ltd.超 刘

In-app purchases

3 purchases

小灵鸭

One-time3
  • 畅学月卡$0.99
  • 畅学年卡$8.99
  • 永恒钻石卡$9.99
1 purchases

KeyMemo

One-time1
  • KeyMemo Premium$2.99

Questions

Is 小灵鸭 free?
小灵鸭 is free to download, with in-app purchases available.
Is KeyMemo free?
KeyMemo is free to download, with in-app purchases available.
Do 小灵鸭 or KeyMemo have ads?
Neither 小灵鸭 nor KeyMemo shows ads.
Which is updated more often, 小灵鸭 or KeyMemo?
小灵鸭 ships an update every 3 weeks, and KeyMemo daily. Most recently, 小灵鸭 was updated on October 7, 2026 and KeyMemo on October 24, 2026.

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