Comparison

Ludus vs Doomersion

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Pre-loaded dictionaries
  • Automatic daily review decks
  • Spaced Repetition Scheduler (FSRS)
  • Word definitions and grammar info
  • AI Sentence Generator
  • AI Scan Tool
Features
Read full description

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

About

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.

Highlights
  • Immersive video learning
  • Adaptive difficulty
  • Level-matched content
  • Natural language acquisition
  • Scroll-based progression
Features
Read full description

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

Ludus4 screens
Doomersion4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ludus sells 2 in-app purchases, starting at $7.99 per month. Doomersion asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Ludus versus Doomersion: the parameters behind the verdict, then further details
ParameterLudusDoomersion
PriceFreeFree
Rating5.0 (17 ratings) — better4.1 (82 ratings)
Positive reviews86.7% of reviews — better70.0% of reviews
Number of ratings1782 — better
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhoneiPhone, iPod — better
Requires iOS16.415.5 — better
Further details — not scored
Size166 MB73 MB
Age rating4+12+
DeveloperLudus-Language, Inc.Mostafa Tamer Afr

Customer experience

Ludus

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews15 reviews
Positive86.7%
Neutral0.0%
Negative13.3%

Doomersion

All ratings82 ratings
Positive75.6%
Neutral8.5%
Negative15.9%
Written reviews70 reviews
Positive70.0%
Neutral14.3%
Negative15.7%

In-app purchases

2 purchases

Ludus

Subscriptions2
  • Academic Weapon$7.991 Month
  • Annual Subscription7 Days trial$59.991 Year
None

Doomersion

No in-app purchases

Questions

Is Ludus free?
Ludus is free to download, with in-app purchases available.
Is Doomersion free?
Doomersion is free to download, with no in-app purchases.
Which has better reviews, Ludus or Doomersion?
Ludus is rated higher. Ludus averages 5.0 out of 5 from 17 ratings, while Doomersion averages 4.1 from 82 ratings.
Do Ludus or Doomersion have ads?
Neither Ludus nor Doomersion shows ads.
Which is updated more often, Ludus or Doomersion?
Ludus ships an update every 5 days, and Doomersion every 2 weeks. Most recently, Ludus was updated on September 29, 2026 and Doomersion on September 28, 2026.

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