# Programming Flashcard vs 宇宙の英単語

The clearest difference is in-app purchases: 宇宙の英単語 at none against Programming Flashcard's 1. 宇宙の英単語 also leads on ads (none vs shown). Programming Flashcard's advantage is iOS requirement (15.1 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Programming Flashcard sells 1 one-off in-app purchase. 宇宙の英単語 asks for nothing beyond the download.

Programming Flashcard ships an update every 3 weeks, 宇宙の英単語 fortnightly. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Programming Flashcard | 宇宙の英単語 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 160 MB | 21 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Creatopia Inc.](https://appshunter.io/developer/1523447963) | [Hiroaki Toya](https://appshunter.io/developer/1515661642) |

## What reviewers say

### Programming Flashcard

[App page](https://appshunter.io/ios/app/programming-flashcard/id6470341059)

Learn programming vocabulary through flashcards and spaced repetition. Master coding terms with sample code, pronunciation guides, and level-based learning. Efficiently track your progress and prepare for development.

**Highlights:** Knowledge classification system, Sample code for every term, Spaced repetition review, Reverse dictionary search, Multiple choice tests, Level-based learning, Pronunciation guide

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM | $24.99 | one-time |


### 宇宙の英単語

[App page](https://appshunter.io/ios/app/id6783165808)

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

**In-app purchases:** none


## Frequently asked questions

### Is Programming Flashcard free?

Programming Flashcard is free to download, with in-app purchases available.

### Is 宇宙の英単語 free?

宇宙の英単語 is free to download, with no in-app purchases.

### Do Programming Flashcard or 宇宙の英単語 have ads?

Programming Flashcard shows ads; 宇宙の英単語 does not.

### Which is updated more often, Programming Flashcard or 宇宙の英単語?

Programming Flashcard ships an update every 3 weeks, and 宇宙の英単語 fortnightly. Most recently, Programming Flashcard was updated on September 9, 2026 and 宇宙の英単語 on September 10, 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.*