Comparison

Tuba Note Chart vs Learn Portuguese

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

Head to head
About

Tuba Note Chart

Features
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Handy note chart that lets you learn all the notes for the saxhorn family of instruments very easily. You can choose the type of the saxhorn for the better reference. From the creators the revolutionary ear training platform, the "... by Ear" series. Multiple instruments available, check out developer's profile for more.

About

Learn Portuguese

Features
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Learn Portuguese faster with real content, AI pronunciation coaching, and live voice practice. LingFast is a next-generation language learning app that replaces boring textbooks with authentic Portuguese audio, video, and dialog content - then gives you powerful tools to practice speaking, build vocabulary, and track your progress. * IMMERSIVE CONTENT FEED * Swipe through real-life Portuguese lessons in a TikTok-style feed: - Native Portuguese dialogs and two-speaker conversations - Short news articles and stories - Videos and imported YouTube lessons - Filter by type: Dialog, Video, Talk, News, Story * AI SHADOWING AND PRONUNCIATION * Powered by on-device Whisper AI - works offline, results in seconds. - Shadow sentence by sentence: listen, record and get your score (0-100%) - Accuracy, fluency and completeness breakdown - Vocabulary pronunciation drill with instant AI grading - See which words and sounds need improvement * TALK NOW - LIVE VOICE PRACTICE * Match instantly with real Portuguese learners worldwide for anonymous voice calls. Build speaking confidence through real conversations, not scripted exercises. * AI CONVERSATION PARTNER * Chat with an AI tutor in Portuguese anytime. Choose your topic and difficulty, have a real two-way conversation, and get feedback on every response. * VOCABULARY SYSTEM (SPACED REPETITION) * Save Portuguese words directly from lessons. Our SRS algorithm schedules reviews at the perfect moment so words stay with you for life. 4 practice modes: - Flashcard self-assessment - Multiple-choice game (timer, 3 lives, streaks) - Typing challenge (typo-tolerant scoring) - Pronunciation drill with AI scoring * LEARNING TOOLS IN EVERY LESSON * - Full transcript: tap any word for instant definition - Shadowing: sentence-by-sentence pronunciation practice - Role Play: take a character's part in the dialog - Dictation: listen and type what you hear - Comprehension Quiz: multiple choice questions - True/False Quiz: rapid understanding check - Grammar and Knowledge: in-context explanations * GAMIFICATION * - Daily XP goals and streak tracker - Global leaderboard - Vocabulary Duel, Sentence Scramble and Shadowing Duel multiplayer games - Study history and progress tracking * COMMUNITY * - Post questions, get answers from native Portuguese speakers - React and comment on posts - Bookmark lessons and discussions * YOUTUBE IMPORT * Paste any Portuguese YouTube link -> instant lesson with transcript, shadowing, dictation, and vocabulary tools. PREMIUM PLAN: - Ad-free experience - Unlimited AI voice chat sessions - Unlimited word translation and lookup - Unlimited saves and YouTube imports Dark and Light mode. Offline AI speech model. Download LingFast and start speaking Portuguese confidently from Day 1. Terms of Use (EULA): https://lingfast-server.tnpixel.com/legal/lingfast/terms-of-service

Screenshots

Tuba Note Chart3 screens
Learn Portuguese4 screens

Verdict

The call

The clearest difference is price: Learn Portuguese at Free against Tuba Note Chart's $4.99. Learn Portuguese also leads on update cadence (every 3 months vs every 42 months). Tuba Note Chart's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 16.0). On ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Learn Portuguese is free to download; Tuba Note Chart costs $4.99 up front. Learn Portuguese sells 3 in-app purchases, starting at $1.99 per 7 days. Tuba Note Chart asks for nothing beyond the download.

UpkeepUpdate frequency

Tuba Note Chart ships an update every 42 months, Learn Portuguese every 3 months. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

Scorecard4 real differences ยท 2 level
Tuba Note Chart versus Learn Portuguese: the parameters behind the verdict, then further details
ParameterTuba Note ChartLearn Portuguese
Price$4.99Free โ€” better
Update frequencyEvery 42 monthsEvery 3 months โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS12.0 โ€” better16.0
Further details โ€” not scored
Size83 MB104 MB
Age rating4+4+
DeveloperOleg SokolovDinh Thang Tran

In-app purchases

None

Tuba Note Chart

No in-app purchases

3 purchases

Learn Portuguese

Subscriptions3
  • LingFast Premium Weekly$1.997 Days
  • LingFast Premium Monthly$4.991 Month
  • LingFast Premium Yearly$23.991 Year

Questions

Is Tuba Note Chart free?
Tuba Note Chart costs $4.99, with no in-app purchases.
Is Learn Portuguese free?
Learn Portuguese is free to download, with in-app purchases available.
Do Tuba Note Chart or Learn Portuguese have ads?
Neither Tuba Note Chart nor Learn Portuguese shows ads.
Which is updated more often, Tuba Note Chart or Learn Portuguese?
Tuba Note Chart ships an update every 42 months, and Learn Portuguese every 3 months. Most recently, Tuba Note Chart was updated on November 7, 2026 and Learn Portuguese on November 10, 2026.

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