Comparison

iCost记账 vs Subdeck

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

Head to head
About

iCost记账

This lightweight billing app simplifies daily bookkeeping for improved financial efficiency. It offers detailed consumption and income classification, asset management, and insightful chart analysis. Enjoy automatic iCloud backups, data export options, and support for multiple currencies and accounts.

Highlights
  • Minimalist operation process
  • Detailed consumption/income classification
  • Asset management
  • Chart analysis
  • Automatic iCloud cloud backup
  • Export accounting data
  • Support for multiple currencies and accounts
Features
Read full description

** Recommended by AppStore "Editor's Choice" column ** Thank you for your likes. If you agree with our direction or recognize our efforts, please help us to promote iCost. Grateful. If there are any problems during use, you can send an email to feedback@quji.tech for feedback, and every suggestion of yours will be carefully considered. 【Introduction】 iCost is a simple, lightweight billing app. It aims to improve the efficiency of people's daily bookkeeping. We promise not to use your data. 【Features】 - Minimalist operation process, quickly complete each note operation; - Detailed classification of consumption/income, clear at a glance; - asset Management; - Chart analysis, all kinds of trends are well known; - Fully automatic iCloud cloud backup, no fear of data loss; - Support exporting accounting data for easy editing in Excel; - Support importing old bills for easy migration; - Support unlimited classification, sorting and data migration; - Support iOS 13 dark mode; - Support monthly and yearly classified budget functions; - Support privacy protection; - Support instant open mode. - Support Siri shortcut commands for automatic accounting; - Support template quick bookkeeping; - Support consumer bill refund association; - Support custom reimbursement bills; - Support multiple accounts; - Support adding pictures to bills; - Support multiple currencies; - Support periodic account entry; - Support consumption installments; - Support asset trend analysis; - Support asset reconciliation; - Support money saving function. 【Others】 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://help.icostapp.com/guide/law/privacy.html

About

Subdeck

Manage all your recurring expenses in one place. Track subscriptions, get reminders for upcoming payments and free trial endings, and understand your spending habits. No bank connection needed, just a clear overview of your memberships.

Highlights
  • Track subscriptions, prices, and renewal dates
  • Renewal and payment reminders
  • Free trial ending notifications
  • Subscription spending insights
  • Multi-currency support
  • Custom subscriptions and categories
  • iCloud sync
Read full description

Subscriptions should make life easier — not become forgotten expenses. Subdeck is a simple, focused subscription manager that helps you keep memberships, software services, and recurring payments in one place. Stay ahead of renewals, upcoming charges, and free trial endings while keeping a clear view of how much you spend on subscriptions. No bank account connection. No complicated budgeting. Just a clearer way to manage your subscriptions. Everything in one place Keep track of your subscriptions, prices, billing cycles, and renewal dates from one clean dashboard. Renewal and payment reminders Get notified before upcoming payments so you can review your subscriptions before the next charge. Free trial reminders Keep track of trial periods and receive reminders before they end, helping you avoid forgotten renewals. Spending insights See your monthly, yearly, and overall subscription spending, with trends and categories that make recurring expenses easier to understand. Multi-currency support Track subscriptions in different currencies and manage services from around the world more easily. Custom subscriptions and categories Add the services you use, create your own subscriptions, and organize them in a way that works for you. iCloud sync Keep your subscription data in sync across your Apple devices with iCloud. Privacy by design Your subscription data is stored locally on your device. No account is required, and you never need to connect a bank account. When you use iCloud sync, your data is stored in your private iCloud account. Subdeck has one simple goal: Know what you're paying for, see what's coming next, and decide whether every subscription is still worth keeping. Third-Party Brand Notice Subdeck is not affiliated with, endorsed by, sponsored by, or officially connected with any third-party brands, products, or services displayed in the app. All names, trademarks, and logos belong to their respective owners and are used only to help users identify and manage their subscriptions. Privacy Policy https://qihu87.github.io/subdeck-privacy/ Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

iCost记账4 screens
Subdeck4 screens

Verdict

The call

The clearest difference is in-app purchases: Subdeck at none against iCost记账's 6. Subdeck also leads on update cadence (every 5 days vs every 2 weeks). iCost记账's advantage is ratings volume (983 vs 1) and device support (5 vs 1). On price, rating, review sentiment and ads 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. iCost记账 sells 5 in-app purchases, starting at $0.99 per month. Subdeck asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for iCost记账 against 5.0 for Subdeck. That said, the two scores are not equally well evidenced: iCost记账 has 983 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 88% and 89% positive.

UpkeepUpdate frequency

iCost记账 ships an update every 2 weeks, Subdeck every 5 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

Scorecard5 real differences · 5 level
iCost记账 versus Subdeck: the parameters behind the verdict, then further details
ParameteriCost记账Subdeck
PriceFreeFree
Rating4.9 (983 ratings)5.0 (1 ratings) — better
Positive reviews88.4% of reviews88.9% of reviews — better
Number of ratings983 — better1
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size99 MB32 MB
Age rating4+4+
DeveloperGuangzhou Quji Technology Co., Ltd.启虎 王

Customer experience

iCost记账

All ratings983 ratings
Positive98.0%
Neutral0.9%
Negative1.1%
Written reviews164 reviews
Positive88.4%
Neutral5.5%
Negative6.1%

Subdeck

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

Bugs and requests

iCost记账

Reported bugs

5 issues
  • Incorrect currency conversion
  • Disappearing transaction history
  • Inability to delete/edit accounts
  • Syncing issues across devices
  • Unreliable backup and restore

Requested features

5 requests
  • Recurring expense/income tracking
  • Budgeting and spending limit alerts
  • Automatic bank/credit card sync
  • Detailed category-based analytics
  • Multi-user/family account support

Subdeck

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

iCost记账

Subscriptions3
  • VIP Membership(1 month)$0.991 Month
  • VIP Membership(1 year)$3.991 Year
  • VIP Membership(1 year)$4.991 Year
One-time2
  • Permanent VIP Membership2 variants$8.99
  • Subscription Upgrade$8.99
None

Subdeck

No in-app purchases

Questions

Is iCost记账 free?
iCost记账 is free to download, with in-app purchases available.
Is Subdeck free?
Subdeck is free to download, with no in-app purchases.
Which has better reviews, iCost记账 or Subdeck?
Subdeck is rated higher. iCost记账 averages 4.9 out of 5 from 983 ratings, while Subdeck averages 5.0 from 1 ratings.
Do iCost记账 or Subdeck have ads?
Neither iCost记账 nor Subdeck shows ads.
Which is updated more often, iCost记账 or Subdeck?
iCost记账 ships an update every 2 weeks, and Subdeck every 5 days. Most recently, iCost记账 was updated on October 17, 2026 and Subdeck on October 16, 2026.

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