Programming Flashcard vs Citlin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Programming Flashcard
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.
- Knowledge classification system
- Sample code for every term
- Spaced repetition review
- Reverse dictionary search
- Multiple choice tests
- Level-based learning
- Pronunciation guide
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■ Born from the thought: "If only I could learn programming like flashcards..." When I was learning programming, no matter how many video tutorials I completed, I couldn't write programs well. The reason was that programming "vocabulary" wasn't sticking in my head. "How do I write a loop again?" "What's the function to get the first 3 characters of text?" I wasted so much time searching through tutorials repeatedly. So I started writing everything I learned into flashcards and memorizing them for 30 minutes daily. In about 2 months, I could write simple programs fluently. From this experience, I developed Pro-Tan as "the app I truly wanted 5 years ago." ■ Main Features 【Knowledge Classification System】 Simply sort words you know from words you don't, and it automatically creates a list of words to memorize. Focus your learning on unknown words efficiently. 【Sample Code for Every Term】 Every term includes sample code. Preview execution results to understand meanings visually. 【Review Function】 Repeated review helps programming vocabulary stick in your brain. 【Reverse Dictionary】 Quickly search for forgotten terms. A handy partner during development. 【Multiple Choice Tests】 Measure your skills with tests. Check your skill level. 【Level-Based Learning】 Terms are classified into Levels 1-5. Learn progressively from beginner to advanced. 【Pronunciation Guide】 Learn how to pronounce terms like "width" and "height" for better workplace communication. ■ Supported Languages HTML / CSS / JavaScript / PHP / SQL / Laravel / Python and more Start memorizing programming vocabulary little by little every day!
Citlin
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忘却曲線に基づいた最適なタイミングで、英単語を出題する英単語学習アプリ
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Verdict
The clearest difference is in-app purchases: Citlin at none against Programming Flashcard's 1. On price, ads, device support and iOS requirement 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
Both are free to download. Programming Flashcard sells 1 one-off in-app purchase. Citlin asks for nothing beyond the download.
| Parameter | Programming Flashcard | Citlin |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 78.6% of reviews | — |
| Update frequency | Every 3 weeks | — |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 160 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Creatopia Inc. | nachito fukuda |
In-app purchases
Programming Flashcard
- PREMIUM$24.99
Citlin
No in-app purchases









