# Pure Flashcards Addition vs こどもクロック2

The clearest difference is iOS requirement: こどもクロック2 at 12.0 against Pure Flashcards Addition's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Pure Flashcards Addition costs $0.99 and こどもクロック2 $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Pure Flashcards Addition ships an update every 11 months, こどもクロック2 every 15 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Pure Flashcards Addition | こどもクロック2 |
| --- | --- | --- |
| Price | $0.99 | **$0.49** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2/id1071325802/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 15 months |
| Monetization | Paid | Paid |
| Size | 0 MB | 37 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [T&T United Inc.](https://appshunter.io/developer/468282934) | [Kouichi INAFUKU](https://appshunter.io/developer/438372899) |

## What reviewers say

### Pure Flashcards Addition

[App page](https://appshunter.io/ios/app/pure-flashcards-addition/id924283137)

This app provides a focused flashcard experience for practicing addition facts. It offers 20 sets of 10 cards covering sums from 1+0 to 9+9, with random card order for each study session. Designed for both classroom and home use, it requires no setup or internet connection.

**Highlights:** 20 sets of 10 addition flashcards, Random card order, No sign-up or setup required, Offline functionality, Designed for classroom and home

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### こどもクロック2

[App page](https://appshunter.io/ios/app/2/id1071325802)

This app helps children learn to tell time with interactive clock faces and engaging quizzes. It offers multiple modes for hands-on exploration, reading practice, and time-setting challenges. The app can also function as a digital desk clock.

**Highlights:** Interactive clock faces, Time-telling quizzes, Adjustable clock hands, Digital desk clock mode, Multiple learning modes

**In-app purchases:** none


## Frequently asked questions

### Is Pure Flashcards Addition free?

Pure Flashcards Addition costs $0.99, with no in-app purchases.

### Is こどもクロック2 free?

こどもクロック2 costs $0.49, with no in-app purchases.

### Do Pure Flashcards Addition or こどもクロック2 have ads?

Neither Pure Flashcards Addition nor こどもクロック2 shows ads.

### Which is updated more often, Pure Flashcards Addition or こどもクロック2?

Pure Flashcards Addition ships an update every 11 months, and こどもクロック2 every 15 months. Most recently, Pure Flashcards Addition was updated on October 8, 2026 and こどもクロック2 on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*