Comparison

Synapse vs Second Language RPG

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

Head to head
About

Synapse

This app focuses on language learning through sound and memory, using immersive stories and ear training exercises. It offers visual grammar guides, camera-based flashcards, and collaborative learning features. Learn 26 languages with a science-backed approach.

Highlights
  • Immersive story podcasts
  • Science-based ear training
  • Camera-powered flashcards
  • Visual grammar tables
  • Collaborative sentence practice
  • Alphabet courses from zero
Features
Read full description

You are not too old. The "critical period" is a myth: adult brains still rewire with intentional focus plus quality restful sleep. Synapse is a language learning app built on that science: train your ear first, make mistakes on purpose, and let each night of sleep lock in the day's practice. No streaks to protect, no guilt trips. STORY PODCASTS Follow a whole story in your new language on day 1. Short, immersive stories told slowly and clearly: read along word by word, tap anything to learn it instantly, and keep listening with the screen locked — a podcast that teaches. EAR TRAINING Hear the difference between words that used to sound identical. Your native language decides which sounds you can't hear yet; listening exercises built for your exact native/target pair train you to catch what native speakers hear effortlessly. Soundalike drills then tackle the words that trip learners up. ALPHABETS FROM ZERO Sound out real words in an alphabet that was pure noise to you last week. Letter-by-letter audio courses take you from zero, one sound at a time. (Rolling out language by language.) FLASHCARDS FROM YOUR LIFE Learn the words your own life is made of. Point your camera at anything with Language Lens and learn its name on the spot; spaced repetition then brings each word back right before you'd forget it, so it sticks for good. GRAMMAR YOU CAN SEE Say the right form without reciting a rule. Conjugations and cases as clear visual tables, linked to real example sentences — patterns instead of memorized rules. LEARN TOGETHER Trade your first real sentences with another person this week. Pair up with a partner and exchange short daily messages in each other's target language. Family kits (select language pairs) give parents and kids a shared track. 26 LANGUAGES Korean, Japanese, Spanish, French, Vietnamese, Russian, German, Italian, Portuguese, Arabic, Hindi and more — with the interface in your own language too. THE METHOD Free video lessons at synapseko.com explain the science behind it all. Your progress follows you to any device with a free account. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Second Language RPG

Features
Read full description

Second Language is a new language learning game concept where the entire game world is written in a language you are learning. To make progress in the game, you have to improve your understanding of this language. You arrive in a new land where everyone speaks a language you don't know yet. To explore the world you have to interact with the local characters and understand what they are saying. Progress requires comprehension. You can't beat the game without learning the language. In this first release, there's 250 vocab terms, 2,500 practice sentences, about 5,000 words of in-game native dialog content, and 5-10 hours of gameplay quest content. How It Works - Learn through adventure, not flashcards. Explore hand-crafted pixel-art worlds, talk to characters, and solve quests that need real understanding. - Comprehensible input, built in. You meet new words in context you can follow—the way languages are actually acquired. - Spaced repetition without the homework. Words come back right when you're about to forget them. No decks to build, no scheduling. - Every skill, in the story. Reading, listening, writing, and speaking challenges are woven into the world. - Built for real fluency. Thousands of challenges take you from your first words toward real conversations. Most learning apps stop early—this one is built to go the distance. What You Can Learn Spanish, Chinese (Mandarin), and English today. More languages on the way. Guiding Philosophy Second Language is built on decades of second-language-acquisition research—the idea that we acquire a language when we understand messages, not when we memorize rules. Every quest, conversation, and world is designed to give you input you can understand, and a reason to understand it.

Screenshots

Synapse4 screens
Second Language RPG4 screens

Verdict

The call

The clearest difference is device support: Synapse at 3 against Second Language RPG's 1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 14, 2026 and September 12, 2026 respectively.

Scorecard1 real difference · 9 level
Synapse versus Second Language RPG: the parameters behind the verdict, then further details
ParameterSynapseSecond Language RPG
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 daysEvery 3 days
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size182 MB99 MB
Age rating4+12+
DeveloperThe Synaptic Learning Company LLCSean Smith

In-app purchases

None

Synapse

No in-app purchases

None

Second Language RPG

No in-app purchases

Questions

Is Synapse free?
Synapse is free to download, with no in-app purchases.
Is Second Language RPG free?
Second Language RPG is free to download, with no in-app purchases.
Do Synapse or Second Language RPG have ads?
Neither Synapse nor Second Language RPG shows ads.
Which is updated more often, Synapse or Second Language RPG?
Synapse ships an update every 3 days, and Second Language RPG every 3 days. Most recently, Synapse was updated on September 14, 2026 and Second Language RPG on September 12, 2026.

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