Comparison

Card Manager vs Simple ToDo Diary

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

Head to head
About

Card Manager

Digitize and organize all your credit, loyalty, and membership cards in one secure, offline-accessible digital wallet. Features include unlimited storage, custom categories, image management, and expiration date alerts to simplify your life.

Highlights
  • Unlimited card storage
  • Customizable categories
  • Front & back card capture
  • Expiration date alerts
  • Offline data access
  • App lock security
  • Data export/import
Features
Read full description

Card Manager is an app that lets you smartly manage all your cards in one place, including credit cards, loyalty cards, and membership cards. Prioritizing ease of use and simplicity, all essential features are available for free. Safely store your important card information offline and access it quickly whenever needed. 【Overview】 - Centralized management of credit cards, point cards, and membership cards - Simple and intuitive interface design - Main features available for free - Secure offline storage 【Key Features】 ■ Card Registration & Management - Unlimited card storage: Register as many credit cards, loyalty cards, and membership cards as you need - Flexible display options: Switch between list and grid views - Customizable grid layout: Freely adjust the number of columns (1-4) in grid view ■ Category Features - Custom categories: Add, delete, and reorder categories - Purpose-based organization: Classify cards by category for easy access ■ Image Management - Front & back capture: Record both sides of your cards - Image editing: Adjust with cropping, brightness controls, and rotation for better visibility - Automatic compression: Save device storage space - Brightness adjustment: Automatically adjust screen brightness when viewing cards (can be set per card) ■ Expiration Date Management - Expiration prevention: Get alerts when expiration dates are approaching - Notification system: Receive reminders for important dates - List display customization: Show or hide expiration dates as needed ■ Data Management - Export/Import: Easily transfer or back up your data - iCloud backup (iOS): Automatically save your data - Offline compatibility: Use securely without internet connection ■ Security - App lock feature: Protect your data with passcode - Privacy protection: Secure management of sensitive card information ■ Customization - Dark mode: Choose an eye-friendly display mode - Theme colors: Personalize with your favorite colors - Multi-language support: Available in English, Japanese, Chinese, and more ■ User-Friendly Features - Search function: Quickly find cards using keywords - Custom sorting: Freely organize your registered cards - Memo feature: Add and copy notes for each card - URL registration: Quick access to related websites 【Perfect for people who】 • Have many loyalty and membership cards that are difficult to manage • Often forget expiration dates • Want to store card images in one place • Need a simple yet secure app Card Manager digitizes your wallet contents for smart organization. Access your card information instantly, with comprehensive expiration management and image editing features. The free version offers most functions without limitations, while premium options provide ad-free experience and enhanced security features. Download now and start managing your cards smartly!

About

Simple ToDo Diary

Features
Read full description

Simple ToDo Diary is an easy-to-use app for managing daily tasks and notes. You can write quick memos, manage your to-do list, and check off completed tasks. It also works as a light daily diary to record small moments. Designed to be simple, clean, and stress-free for everyday use.

Screenshots

Card Manager4 screens
Simple ToDo Diary3 screens

Verdict

The call

The clearest difference is ads: Simple ToDo Diary at none against Card Manager's shown. Simple ToDo Diary also leads on update cadence (daily vs every 2 weeks). Card Manager's advantage is iOS requirement (15.6 vs 18.6). On price, 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. Card Manager sells 1 one-off in-app purchase and Simple ToDo Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Card Manager ships an update every 2 weeks, Simple ToDo Diary daily. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Card Manager versus Simple ToDo Diary: the parameters behind the verdict, then further details
ParameterCard ManagerSimple ToDo Diary
PriceFreeFree
Rating4.5 (18 ratings) — better—
Positive reviews86.7% of reviews—
Number of ratings18 — better—
Update frequencyEvery 2 weeksDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.6
Further details — not scored
Size40 MB4 MB
Age rating4+4+
DeveloperUPDEITO INC.Kazuya Hashimoto

In-app purchases

1 purchases

Card Manager

One-time1
  • Hide ads$9.99
1 purchases

Simple ToDo Diary

One-time1
  • 広告を非表示にする$1.99

Questions

Is Card Manager free?
Card Manager is free to download, with in-app purchases available.
Is Simple ToDo Diary free?
Simple ToDo Diary is free to download, with in-app purchases available.
Do Card Manager or Simple ToDo Diary have ads?
Card Manager shows ads; Simple ToDo Diary does not.
Which is updated more often, Card Manager or Simple ToDo Diary?
Card Manager ships an update every 2 weeks, and Simple ToDo Diary daily. Most recently, Card Manager was updated on November 4, 2026 and Simple ToDo Diary on October 25, 2026.

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