Comparison

Penny vs 卡记Kaji

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

Head to head
About

Penny

This minimal expense tracker helps you quickly record income and expenses, organize transactions by category, and review monthly spending trends. Understand where your money goes with clear summaries and budget progress reminders.

Highlights
  • Quickly record income and expenses
  • Organize transactions by category
  • Review monthly spending trends
  • Track budget progress
  • Category insights
  • Data export
Features
Read full description

Penny is a minimal expense tracker designed for everyday personal finance. It helps you keep track of spending with less friction: Quickly record income and expenses Organize every transaction by category Review monthly spending trends See which categories take up the largest share of your budget Track budget progress throughout the month You can use Penny for daily expenses, food, transport, shopping, subscriptions, and other personal spending. When you want to understand where your money went this month, Penny helps you see it clearly. Features: Fast and lightweight expense tracking Clean monthly summaries and spending trends Category insights to highlight major spending areas Budget progress reminders to help control spending Historical records for monthly review Data export for personal backup Local-first design with a simple and focused interface Whether you want to build a daily budgeting habit or better understand your monthly spending, Penny gives you a lightweight and dependable way to keep your finances clear.

About

卡记Kaji

Features
Read full description

卡记是一款轻量的会员卡管理工具,适合记录理发店储值卡、洗车次卡、健身年卡、游泳卡、瑜伽卡、咖啡卡和各类订阅服务。 你可以把每张卡的余额、剩余次数、到期日期和门店位置记录下来,打开 App 就能知道钱和次数还剩多少,哪些卡快到期,哪些卡需要确认。 卡记不做复杂记账,也不伪装成商家余额自动同步。它专注解决一个实际问题:别忘了自己在哪些店还存着钱、次数或会员期限。 主要功能: - 管理金额卡、次卡、期限卡和订阅 - 查看总储值、卡片数量、待确认和待办提醒 - 快速记录消费、用次、充值、续卡和改余额 - 日历视图查看消费、续卡和到期记录 - 到期、低余额、低次数和长期未确认提醒 - 可设置门店位置,到店或离店时提醒更新卡片 - 支持 iCloud 同步,多设备查看数据 - 支持系统日历同步,统一查看卡片事件 - 支持小组件和快捷入口,常用操作更方便 适用场景: - 理发店、美容院、按摩店储值卡 - 洗车卡、瑜伽卡、游泳卡、课程次卡 - 健身房年卡、会员月卡、期限卡 - 咖啡店、餐饮店、零售店会员卡 - 视频会员、云存储、音乐会员等订阅 卡记适合希望简单记录、不想维护复杂账本的人。消费后点一下,用次后记一次,余额不准时直接校准。它不会要求你逐笔记得非常完整,而是帮你保持一个可信、可更新、不会被忘记的个人会员卡台账。 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Penny4 screens
卡记Kaji4 screens

Verdict

The call

Penny and 卡记Kaji are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Penny sells 1 one-off in-app purchase and 卡记Kaji sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Penny ships an update every 3 days, 卡记Kaji every 5 days. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

ScorecardNo meaningful differences
Penny versus 卡记Kaji: the parameters behind the verdict, then further details
ParameterPenny卡记Kaji
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterEvery 5 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS17.0 — better18.0
Further details — not scored
Size10 MB8 MB
Age rating4+4+
Developer晓丰 张Beijing Ruhong Technology Co., Ltd.

In-app purchases

1 purchases

Penny

One-time1
  • Penny Pro$1.99
2 purchases

卡记Kaji

Subscriptions1
  • Kaji Pro$0.991 Month
One-time1
  • Kaji lifetime$9.99

Questions

Is Penny free?
Penny is free to download, with in-app purchases available.
Is 卡记Kaji free?
卡记Kaji is free to download, with in-app purchases available.
Do Penny or 卡记Kaji have ads?
Neither Penny nor 卡记Kaji shows ads.
Which is updated more often, Penny or 卡记Kaji?
Penny ships an update every 3 days, and 卡记Kaji every 5 days. Most recently, Penny was updated on October 4, 2026 and 卡记Kaji on September 28, 2026.

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