Comparison

The Phonetics 3D vs 步必记

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

Head to head
About

The Phonetics 3D

Visualize English pronunciation with realistic 3D graphics, detailing tongue position, airflow, and vocal cord vibration. Understand the mechanics of sounds, ideal for learners rebuilding pronunciation or those struggling with specific sounds.

Highlights
  • 3D visualization of phonemes
  • Detailed tongue and airflow explanations
  • Comparison of native vs. accented pronunciation
  • Coverage of commonly confused sounds
  • High-frequency vocabulary visualization
  • Slow and phoneme-by-phoneme playback
Features
Read full description

See English pronunciation. The Phonetics 3D recreates English pronunciation using realistic 3D computer graphics, showing tongue position, airflow, and vocal cord vibration. It explains the mechanics of English sounds — once known only to specialists — in a way that beginners can easily understand. Recommended for: - Learners who want to rebuild their pronunciation from the basics - Those who struggle with sounds like R and L or TH - Anyone aiming to improve listening skills - Students preparing for study abroad, business English, or exams Features: - All 41 American English phonemes recreated in 3D - Step-by-step explanations of tongue movement, airflow, and voicing - Direct comparison between Japanese-accented English and native pronunciation - 46 commonly confused sound pairs (R/L, S/TH, N/NG, etc.) - High-frequency vocabulary selected from the BNC corpus - Over 120,000 words visualized in sync with audio - 3x slow playback and phoneme-by-phoneme playback - Coverage of 40 advanced pronunciation features (reduction, assimilation, linking, elision) Supported OS: - iOS 15.0 or later

About

步必记

This comprehensive AI-powered platform offers a suite of tools for language learning. It includes features like translation, dictionaries, text-to-speech, pronunciation assessment, and AI coaching to meet all your language study needs.

Highlights
  • AI language coaching
  • Translation and dictionary
  • Text-to-speech (TTS)
  • Pronunciation assessment
  • Grammar analysis
  • Flashcards and notes
Features
Read full description

多合一AI语言学习训练平台 AI全家桶 All in One 提供语言学习的一站式服务: 大语言模型、翻译、词典、点读卡、复读机、电子书、文本转语音(TTS)、发音评估、AI教练、语法分析、卡片笔记、知识卡、单词卡 满足你的所有语言学习需求

Screenshots

The Phonetics 3D4 screens
步必记3 screens

Verdict

The call

The clearest difference is review sentiment: 步必记 at 100% against The Phonetics 3D's 52%. 步必记 also leads on price (Free vs $7.99) and rating (5.0 vs 3.2). The Phonetics 3D's advantage is in-app purchases (none vs 2) and ratings volume (9 vs 3). On update cadence, ads and device support 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

步必记 is free to download; The Phonetics 3D costs $7.99 up front. 步必记 sells 2 in-app purchases, starting at $11.00 per month. The Phonetics 3D asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

步必记 holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 52% of The Phonetics 3D's written reviews are positive against 100% of 步必记's.

UpkeepUpdate frequency

The Phonetics 3D ships an update every 3 weeks, 步必记 every 2 weeks. The most recent releases landed on November 1, 2026 and October 20, 2026 respectively.

Scorecard7 real differences · 3 level
The Phonetics 3D versus 步必记: the parameters behind the verdict, then further details
ParameterThe Phonetics 3D步必记
Price$7.99Free — better
Rating3.2 (9 ratings)5.0 (3 ratings) — better
Positive reviews51.6% of reviews100.0% of reviews — better
Number of ratings9 — better3
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size53 MB85 MB
Age rating4+4+
DeveloperFuminori HommaHardwareOrigin, LLC

Customer experience

The Phonetics 3D

All ratings9 ratings
Positive44.4%
Neutral22.2%
Negative33.3%
Written reviews93 reviews
Positive51.6%
Neutral16.1%
Negative32.3%

步必记

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

The Phonetics 3D

No in-app purchases

2 purchases

步必记

Subscriptions2
  • KaZuo.AI Monthly Membership$11.001 Month
  • KaZuo.AI Annual Membership$119.001 Year

Questions

Is The Phonetics 3D free?
The Phonetics 3D costs $7.99, with no in-app purchases.
Is 步必记 free?
步必记 is free to download, with in-app purchases available.
Which has better reviews, The Phonetics 3D or 步必记?
步必记 is rated higher. The Phonetics 3D averages 3.2 out of 5 from 9 ratings, while 步必记 averages 5.0 from 3 ratings.
Do The Phonetics 3D or 步必记 have ads?
Neither The Phonetics 3D nor 步必记 shows ads.
Which is updated more often, The Phonetics 3D or 步必记?
The Phonetics 3D ships an update every 3 weeks, and 步必记 every 2 weeks. Most recently, The Phonetics 3D was updated on November 1, 2026 and 步必记 on October 20, 2026.

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