Comparison

SpeakIt AI vs Gravity

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

Head to head
About

SpeakIt AI

This app helps you learn languages by focusing on speaking full sentences and practicing pronunciation. It uses AI to generate natural phrases, offers shadowing exercises, and employs spaced repetition for long-term memory retention.

Highlights
  • AI sentence generation
  • Real conversation patterns
  • Shadowing practice
  • Sentence saving
  • Spaced repetition
  • Multi-language support
Features
Read full description

How It Works 1. Say what YOU want Type anything you want to say — SpeakIt turns it into natural sentences. Get accurate translations See how native speakers actually say it Learn possible replies in real conversations 2. Train with real speech (Shadowing) Practice speaking with native-like rhythm and pronunciation. Listen and repeat Shadow real sentences Build speaking confidence 3. Turn sentences into memory Save sentences and turn them into long-term knowledge. Smart spaced repetition (Ebbinghaus-based) Fast practice mode Build your personal sentence library Why SpeakIt Works Most apps teach you words. SpeakIt teaches you how to speak. Learn full sentences instead of isolated words Focus on patterns you can reuse Train speaking, not just recognition This is how real language acquisition works. Who It’s For Beginners → Start speaking from zero Intermediate learners → Break the “I understand but can’t speak” barrier Busy adults → Learn efficiently without wasting time Supported Languages 1. Spanish 2. Japanese 3. Chinese Key Features AI-powered sentence generation Real conversation patterns Shadowing practice Sentence saving & review system Spaced repetition for long-term retention Terms of Use: https://speakitapp.com/terms-of-service

About

Gravity

Learn Japanese and Mandarin Chinese through authentic videos and music. This immersion-first app uses real content, word-synced transcripts, and interactive flashcards to build practical language skills. Enjoy personalized learning tailored to your interests, from anime to C-dramas.

Highlights
  • Learn through native videos and music
  • Word-synced transcripts with translations
  • Interactive flashcards with spaced repetition
  • Karaoke Mode for song-based learning
  • Personalized learning feed
  • Supports Japanese and Mandarin Chinese
Features
Read full description

LEARN LANGUAGES THE FAST WAY - THROUGH VIDEOS! (Now with Mandarin Chinese support!) ◆ Learn Japanese and Mandarin Chinese through the content you already love. ◆ Gravity is an immersion-first language app that turns real videos and music into personalized learning. Doomscroll short native clips, sing along in Karaoke Mode, or pick something from a hand-curated library of native videos, each one transcribed word by word and levelled for learners. ◆ Whether you're into anime, J-pop, C-dramas, music, or YouTube creators, Gravity helps you build real language skills through context instead of generic textbook lessons. WHY CHOOSE GRAVITY? → Doomscroll to fluency: Moments turns scrolling into learning with a feed of short clips from native content. → Curated video library: native videos across anime, music, entertainment, creators, and more, levelled from complete beginner to advanced. → Word-synced transcripts: follow along word by word as the audio plays, with an English translation for every line that you can show or hide. → Karaoke Mode: follow the lyrics of songs you love, understand every line, and pick up vocabulary through music. → Tap to learn: tap any word for its reading, meaning, and an AI explanation, then save it in one tap. → Context-based flashcards: every saved word keeps the moment it came from, so you can replay the original clip while you review. → Smart spaced repetition: reviews are scheduled so each word comes back right before you'd forget it. → Practice right after watching: review the words you just saved as soon as you finish a video. → Daily word goals and reminders: stay consistent without overwhelming study sessions. BUILT FOR EACH LANGUAGE Japanese → Furigana, romaji, or no reading aids. Your choice. → Pitch accent graphs and dictionary meanings on every card. → Anime, J-pop, podcasts, streams, and more, levelled from Pre-JLPT to N1. Mandarin Chinese → Pinyin with tone marks, or turn it off. → Simplified characters, with traditional forms shown alongside. → C-dramas, music, and more, levelled from Pre-HSK to HSK 6. WHAT YOU'LL LEARN ◆ Real vocabulary and phrases, the way native speakers actually use them. ◆ Listening and reading skills through authentic videos, songs, and clips. ◆ Words from the shows, music, and creators you already watch. ◆ Language you'll actually hear, not just textbook examples. WHO IT'S FOR → Anime, J-pop, C-drama, and music fans who want to learn from what they already love. → Learners who already spend hours watching videos and scrolling online. → Travelers, international students, and people living or working abroad. → Busy learners who want immersion to fit naturally into their day. → Anyone tired of repetitive textbook lessons and overwhelming flashcard decks. HOW IT WORKS 1. Choose Japanese or Mandarin Chinese and your level. 2. Watch a video, scroll Moments, or sing along with a song. 3. Tap unfamiliar words to see what they mean and save them. 4. Gravity turns your saved words into flashcards, each linked to its original moment. 5. Review a few minutes a day and watch your known words grow. LEARN THROUGH WHAT YOU LOVE Doomscroll in the language you're learning. Watch videos. Sing your favorite songs. Gravity turns the content you already want to watch into something you can actually learn from. GRAVITY IS IN EARLY ACCESS. Any bugs, issues, or feedback can be directed to support@learngravity.com. Privacy: https://learngravity.com/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SpeakIt AI4 screens
Gravity4 screens

Verdict

The call

The clearest difference is rating: Gravity at 4.2 against SpeakIt AI's 3.5. Gravity also leads on review sentiment (71% vs 50%) and ratings volume (46 vs 2). 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. SpeakIt AI sells 2 in-app purchases, starting at $4.99 per month and Gravity sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Gravity holds the better App Store score, 4.2 against 3.5. That said, the two scores are not equally well evidenced: Gravity has 46 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of SpeakIt AI's written reviews are positive against 71% of Gravity's.

UpkeepUpdate frequency

SpeakIt AI ships an update every 5 days, Gravity weekly. The most recent releases landed on October 31, 2026 and November 11, 2026 respectively.

Scorecard3 real differences · 7 level
SpeakIt AI versus Gravity: the parameters behind the verdict, then further details
ParameterSpeakIt AIGravity
PriceFreeFree
Rating3.5 (2 ratings)4.2 (46 ratings) — better
Positive reviews50.0% of reviews70.6% of reviews — better
Number of ratings246 — better
Update frequencyEvery 5 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size115 MB112 MB
Age rating4+4+
DeveloperDLMW LLCHeimdall Space Inc.

Customer experience

SpeakIt AI

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Gravity

All ratings45 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews34 reviews
Positive70.6%
Neutral2.9%
Negative26.5%

In-app purchases

2 purchases

SpeakIt AI

Subscriptions2
  • Monthly Pro3 Days trial$4.991 Month
  • Annual Pro3 Days trial$29.991 Year
6 purchases

Gravity

Subscriptions6
  • special offer$4.991 Month
  • Fluency$6.997 Days
  • Immersive Monthly7 Days trial$8.991 Month
Show 3 more
  • Immersive Monthly7 Days trial$11.991 Month
  • Immersion7 Days trial$14.991 Month
  • Polyglot7 Days trial$69.991 Year

Questions

Is SpeakIt AI free?
SpeakIt AI is free to download, with in-app purchases available.
Is Gravity free?
Gravity is free to download, with in-app purchases available.
Which has better reviews, SpeakIt AI or Gravity?
Gravity is rated higher. SpeakIt AI averages 3.5 out of 5 from 2 ratings, while Gravity averages 4.2 from 46 ratings.
Do SpeakIt AI or Gravity have ads?
Neither SpeakIt AI nor Gravity shows ads.
Which is updated more often, SpeakIt AI or Gravity?
SpeakIt AI ships an update every 5 days, and Gravity weekly. Most recently, SpeakIt AI was updated on October 31, 2026 and Gravity on November 11, 2026.

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