Ludus vs Doomersion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ludus
This app helps you learn new languages faster by automatically creating study decks from pre-loaded dictionaries. It uses a smart spaced repetition system to schedule reviews right before you forget words, ensuring efficient learning and better long-term memory retention.
- Pre-loaded dictionaries
- Automatic daily review decks
- Spaced Repetition Scheduler (FSRS)
- Word definitions and grammar info
- AI Sentence Generator
- AI Scan Tool
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Stop wasting time making flashcards manually. Ludus comes with pre-loaded dictionaries, so you can search any word, save it instantly, and it automatically becomes part of your daily study deck. Ludus uses Free Spaced Repetition Scheduler (FSRS), a modern spaced repetition system that builds a unique forgetting curve for every word, so you review vocabulary right before you're likely to forget it. That means fewer wasted reps, faster progress, and stronger long-term memory. Whether you're learning French, Spanish, or building vocabulary for school, Ludus helps you study consistently and retain more with less effort. FREE FEATURES: - Pre-loaded dictionaries (no manual flashcard creation) - Instant word saving with automatic daily review deck - FSRS-based spaced repetition for smarter scheduling - Word definitions, grammar info, and example usage - Clean, fast studying built for real learning PAID FEATURES (Academic Weapon subscription): - All Languages Unlocked - Unlimited Saved Lists Coming soon: Games, skins. SUBSCRIPTION INFORMATION Ludus offers an auto-renewable subscription to unlock all premium features: ACADEMIC WEAPON PLAN: - Monthly: $6.99/month FREE PLAN: - Limited access to features - Upgrade anytime to unlock full access SUBSCRIPTION TERMS: - Payment charged to Apple ID at purchase confirmation - Subscription automatically renews unless canceled at least 24 hours before the end of the current period - Manage subscriptions in iPhone Settings > [Your Name] > Subscriptions - No refunds for unused portions of subscription LEGAL DOCUMENTS: Terms of Use (EULA): https://ludusapp.com/terms Privacy Policy: https://ludusapp.com/privacy-policy For support, contact: admin@ludusapp.com
Doomersion
Learn languages through immersive video content that adapts to your skill level. As you scroll through short clips, the difficulty gradually increases, mirroring natural language acquisition methods.
- Immersive video learning
- Adaptive difficulty
- Level-matched content
- Natural language acquisition
- Scroll-based progression
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Doomersion (formerly Doomlingo) lets you watch short videos in your target language that are exactly matched to your level, and then as you scroll they get a little harder so you learn! That way you can learn languages by immersion, which is how people actually learn!
Screenshots
Verdict
The clearest difference is rating: Ludus at 5.0 against Doomersion's 4.1. Ludus also leads on update cadence (every 5 days vs every 2 weeks) and review sentiment (87% vs 70%). Doomersion's advantage is in-app purchases (none vs 2) and ratings volume (82 vs 17). 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. Ludus sells 2 in-app purchases, starting at $7.99 per month. Doomersion asks for nothing beyond the download.
Ludus holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 17 and 82 respectively. Written reviews point the same way: 87% of Ludus's written reviews are positive against 70% of Doomersion's.
Ludus ships an update every 5 days, Doomersion every 2 weeks. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.
| Parameter | Ludus | Doomersion |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (17 ratings) — better | 4.1 (82 ratings) |
| Positive reviews | 86.7% of reviews — better | 70.0% of reviews |
| Number of ratings | 17 | 82 — better |
| Update frequency | Every 5 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.4 | 15.5 — better |
| Further details — not scored | ||
| Size | 166 MB | 73 MB |
| Age rating | 4+ | 12+ |
| Developer | Ludus-Language, Inc. | Mostafa Tamer Afr |
Customer experience
Ludus
Doomersion
In-app purchases
Ludus
- Academic Weapon$7.991 Month
- Annual Subscription7 Days trial$59.991 Year
Doomersion
No in-app purchases









