SubPlay vs ConceptGen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SubPlay
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In this product, you can learn languages using YouTube videos powered by AI. App Features: * Speak along with audio * Listening review * Tag search * In-app YouTube * Subtitle list search * Subtitle list translation * Partial subtitle translation * History of partial subtitle translations * Review of partial translations * Bookmark videos/subtitles * Video search and filtering * Video viewing history * Multilingual support You can also learn the following languages in this app: * Japanese * English * Korean * Spanish * French * German * Italian * Portuguese * Hindi * Arabic * Russian * Simplified Chinese * Traditional Chinese For more details, please check the landing page: https://sub-play.netlify.app/en/top
ConceptGen
Instantly generate organized study materials and multiple-choice quizzes from any topic using AI. Supports dual AI providers, multi-language options, and progress tracking. Organize your learning by custom topics and share your materials.
- AI-powered concept and quiz generation
- Multiple choice quizzes
- Dual AI provider options (Gemini, Groq)
- Import/export study materials
- Organize by custom topics
- Progress tracking
- Multi-language support
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ConceptGen uses artificial intelligence to instantly create study materials from any topic. KEY FEATURES: • AI-Powered Generation: Enter any topic or text, and AI generates organized concepts with quiz questions • Multiple Choice Quizzes: Auto-generated 4-option multiple choice questions for each concept • Dual AI Providers: Choose between Google Gemini or Groq for generation • Import/Export: Backup your study materials or share with others • Organize by Topics: Group related concepts into custom study topics • Progress Tracking: Track your quiz and learning progress • Multi-Language Support: Create study materials in English or Spanish • Subscription Options: Free tier or premium subscription for unlimited generation SETUP: You'll need a free API key from either: Google Gemini (aistudio.google.com/app/apikey) Groq (console.groq.com) Perfect for students, educators, and lifelong learners who want to study smarter, not harder.
Screenshots
Verdict
The clearest difference is iOS requirement: SubPlay at 16.0 against ConceptGen's 26.2. On price, ads, 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
Both are free to download. SubPlay sells 3 in-app purchases, starting at $2.99 per month and ConceptGen sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | SubPlay | ConceptGen |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 62 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Vadim Petrov | CALEB KEKOA THOMPSON |
In-app purchases
SubPlay
- Mini Plan3 Days trial$2.991 Month
- Basic Plan3 Days trial$4.991 Month
- Study Plan$7.991 Month
ConceptGen
- Premium Features$2.99









