Deep Dive

Everything You Need to Learn

Every feature in LumenLingo is based on how your brain actually learns. Timed reviews, background sounds, and study tools that work together.

iOS NativeBuilt with SwiftUI
Polished UIEvery pixel considered
Research-BackedResearch-backed
9:41
3 / 5
3D Flip
FrenchBonjour/ bɔ̃.ʒuʁ /
Tap to flip
Still Learning
Got It
+10 XP per card

Flashcards

LumenLingo flashcards look and feel different from other apps. Each card has a smooth, layered design that responds to your touch. Swipe right for correct, left for incorrect, and watch the card animate naturally.

Cards show both languages with pronunciation guides, and colour coding helps your memory through visual cues. The design adapts to dark and light modes.

Every tap and swipe gives you clear feedback. The card flips with a smooth 3D rotation. Borders flash green for 'Got It' and red for 'Still Learning'. Sound plays with each gesture, and you earn 10 points per correct answer.

Swipe gestures with smooth, natural animations3D card flip with layered designInstant colour-coded feedback on every answerPronunciation guides for non-Latin scriptsVisual and audio feedback on every actionCustomisable deck sizes per tier (50–unlimited)
Mastery Tracking
37 of 95 mastered
Greetings
18/20
Food & Drink
12/25
Travel
5/30
Business
2/20
Streak
7
Accuracy
94%
Total XP
2,450

Timed Reviews

LumenLingo tracks how well you know each word and shows you the ones you need to practise most. Words you get wrong come back more often. Words you have learned appear less.

Vocabulary is sorted into categories — Greetings, Food, Travel, Business, and more. You can see how many words you have learned in each category with clear progress bars.

The system adjusts in real time. Miss a card after a long break? It comes back sooner. Get five in a row? That word joins your learned set. The app works with your brain, not against it.

Per-category progress trackingLearned word sets that grow with youAccuracy and streak statisticsReal-time difficulty adjustmentVisual progress bars per topicPoints system: 10 per Flash Card, 10 per Quiz, 15 per Word Builder
Choose Mode
Flash Cards
3D flip cards, swipe to recall
Grammar Challenge
Multiple-choice A / B / C / D
Intermediate
Word Builder
Build words letter by letter, 15 XP
Start Session

3 Distinct Practice Modes

Different practice styles keep things interesting. LumenLingo has three modes that each test a different skill, so your sessions never feel the same.

Flash Cards build speed with smooth 3D flip animations. Grammar Challenge tests your understanding with A/B/C/D questions and explanations that show why an answer is right. Word Builder asks you to spell words letter by letter, helping with spelling and recall at the same time.

Each mode has three levels — Beginner, Intermediate, and Advanced — unlocked as you move up tiers. If you pause for too long, gentle hints keep you going.

Flash Cards: 3D flip with swipe gesturesGrammar Challenge: A/B/C/D with explanationsWord Builder: letter-by-letter construction, 15 XPThree difficulty levels per modeProgress tracked independently per modeIdle hints to keep you in flow
12 Background Sounds
Four categories, find your focus
Cozy3
Nature3
Atmospheric3
Travel3
Paris Café
Cozy
Japanese Bamboo Forest
Nature
Deep Space Drift
Atmospheric
Dominican Beach
Travel
Now Playing
Deep Space Drift

12 Background Sounds

Set the mood for studying with 12 background sounds in four categories: Cozy, Nature, Atmospheric, and Travel. Each one is a layered mix of sounds designed to help you focus and block out distractions.

Study in a Parisian cafe with gentle conversation and clinking cups. Or drift into deep focus with the hum of a space station. Every sound mix sits quietly under your learning so it helps without getting in the way.

Research shows that consistent background audio helps your brain connect sounds with what you are learning. When you study with the same background, recall gets easier over time.

Cozy: Paris Café, Rainy Window, Midnight Jazz PianoNature: Mountain Campfire, Japanese Bamboo Forest, Amazon RainforestAtmospheric: Observatory Night, Desert Night Sky, Deep Space DriftTravel: Dominican Beach, Tokyo Night Street, Venice Canal MorningVolume balancing with system audioTier-gated access (0 free → 1 Pro → 8 Elite → 12 Royal)
18 Visual Backgrounds
6 Breathing Orbs
6 Starfield
6 Focus Flow
Barcelona
Shanghai
Tokyo
New York
Paris
Krakow

Breathing Exercises & Visual Backgrounds

LumenLingo is the only language app with built-in relaxation. Breathing exercises show a calming, animated circle that gently grows and shrinks. This creates a relaxed mood that reduces study stress and helps you focus.

Choose from 6 colour themes, each inspired by a real city. Beyond breathing, try Flowing Light scenes with gentle moving shapes, or Space-Themed presets with slow-moving cosmic animations.

These are not just for looks. Research shows that calming visuals lower stress and help you focus. Every background in LumenLingo is designed with this in mind.

6 city-inspired breathing exercise colour themes6 Flowing Light scenes (Elite+)6 Space-Themed presets (Elite+)Smooth real-time animationsRespects reduced-motion preferencesMore backgrounds unlock as you upgrade
Your Progress
Level 12
2,450 XP
70%
This week
M
T
W
T
F
S
S
7-day streak

Progress & Analytics

LumenLingo turns your progress into something you can see. A points system rewards regular practice — earn points for every correct answer, streak bonuses for studying every day, and multipliers based on your plan.

Track your results across all three practice modes: accuracy rates, speed, favourite categories, and streaks. Clean charts make your data easy to read at a glance.

Daily goals keep you on track. Set a practice time or card count, and watch your daily ring fill as you learn. Monthly reports (Elite and Royal tiers) break down your growth by language pair and level.

Points system with tier-based multipliers (1x–2x)Streak tracking with daily goalsPer-mode accuracy and speed statsCategory progress breakdownsClean progress chartsMonthly reports (Elite/Royal)
Language Pairs
25+ Combinations
ENESEnglish → SpanishFree
ENFREnglish → FrenchFree
ENDEEnglish → GermanFree
ENJAEnglish → JapanesePro
ENUKEnglish → UkrainianPro

25 Language Pairs

LumenLingo supports 9 languages — English, Spanish, French, German, Japanese, Chinese, Arabic, Polish, and Ukrainian — in 25 two-way pair combinations. Learn Spanish from English, or flip it and learn English from Spanish.

Each pair includes a vocabulary deck covering key topics: greetings, food, travel, business, emotions, and more. Languages that do not use the Latin alphabet include pronunciation guides to help you get started.

Language pairs unlock by tier. Free users get 3 core pairs: English to Spanish, French, and German. Pro unlocks all 25+ combinations.

9 languages: ES, FR, DE, JA, ZH, AR, PL, UK, EN25 two-way pair combinationsCurated vocabulary per categoryPronunciation guides for non-Latin scriptsTier-gated: 3 Free → 7 Pro → 25 Elite/RoyalTwo-way learning support
Starter
Free
3 pairs
Pro
£9.99
Offline
Popular
Elite
£19.99
All Languages
Royal
£99.99
Everything
14-day free Royal trial

Membership Tiers

LumenLingo has five membership tiers — Free, Trial, Pro, Elite, and Royal — each with more features than the last. Start free and upgrade whenever you are ready.

Every tier adds more language pairs, background sounds, visual backgrounds, and tools. Pro adds unlimited practice and offline mode. Elite opens all languages, advanced levels, and Flowing Light scenes. Royal gives you everything, including Space-Themed presets, unlimited decks, and double points.

All tiers are managed through the App Store with simple monthly billing. Try the top tier free for 14 days to see everything LumenLingo offers.

Free tier with 3 language pairs and 50-card decksPro (£9.99/mo): unlimited practice + offline modeElite (£19.99/mo): all languages + Flowing Light backgroundsRoyal (£99.99/mo): everything + double points + Space-Themed backgrounds14-day free trial of the top tierSimple App Store subscription management
See it in action

How it feels to learn

Three core features that show how LumenLingo works.

Card 1 of 5
FrenchBonjourTap to flip
EnglishHello

Flashcard Flow

Swipe through layered cards. Tap to flip, swipe right when you know it, left when you need more practice.

Word Builder
Build the word for "Hello"
_
_
_
_
_
L
E
H
O
L

Word Builder

Tap letters to spell each word. Get instant feedback, earn points, and see your accuracy grow.

Background Sounds
Find your focus
Coffee Shop
Cozy
Ocean Waves
Nature
Deep Space
Atmospheric
Paris Café
Travel

Soundscape Selection

Choose a background sound -- tropical rain, deep space, or coffee shop -- and settle into focused study.

Language Pairs

9 languages, 25+ combinations

Learn in any direction. Hover any card to see a sample flashcard.

🇬🇧🇪🇸

EnglishSpanish

2,500+ flashcardsFree
🇬🇧🇫🇷

EnglishFrench

2,200+ flashcardsFree
🇬🇧🇩🇪

EnglishGerman

2,100+ flashcardsFree
🇬🇧🇯🇵

EnglishJapanese

1,800+ flashcardsPro
🇬🇧🇨🇳

EnglishChinese

1,900+ flashcardsPro
🇬🇧🇸🇦

EnglishArabic

1,600+ flashcardsPro
🇬🇧🇮🇹

EnglishItalian

2,000+ flashcardsElite
🇬🇧🇵🇱

EnglishPolish

1,700+ flashcardsElite
🇪🇸🇬🇧

SpanishEnglish

2,500+ flashcardsFree
🇫🇷🇬🇧

FrenchEnglish

2,200+ flashcardsPro
🇩🇪🇬🇧

GermanEnglish

2,100+ flashcardsPro
🇪🇸🇫🇷

SpanishFrench

1,400+ flashcardsElite

More languages coming soon

Subscribe to be the first to know when new language pairs launch.

We're preparing something special.

Follow us on social media for updates.

Start Learning Today

Download LumenLingo free on the App Store. Upgrade anytime for more languages and features.

Free to start. No credit card required.

Made by people who love learning languages