Comparison

The Phonetics 3D vs Readix

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

Readix

Features
Read full description

Built to keep your language learning in flow. I love learning languages through podcasts and reading, but constant lookups interrupt focus. So I built Readix to help you understand and practice languages without distraction. 1. Read without losing your flow Tap any word to see its meaning instantly, right where you read. No page jumps. No interruptions. 2. Analyze text your way Write your own prompts to explore tone, structure, or meaning. Ask better questions. Get deeper understanding. 3. Stay focused through typing Typing engages your hands and your mind — ideal for learners who struggle to concentrate. Learn by doing, not just reading. 4. Learn by writing, not guessing See text in your native language, write it in your target language, and get instant feedback. Spot mistakes clearly and improve through repetition. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

The Phonetics 3D4 screens
Readix4 screens

Verdict

The call

The clearest difference is price: Readix at Free against The Phonetics 3D's $7.99. Readix also leads on update cadence (every 3 days vs every 3 weeks). The Phonetics 3D's advantage is in-app purchases (none vs 2) and iOS requirement (15.6 vs 17.0). On 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

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

UpkeepUpdate frequency

The Phonetics 3D ships an update every 3 weeks, Readix every 3 days. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 6 level
The Phonetics 3D versus Readix: the parameters behind the verdict, then further details
ParameterThe Phonetics 3DReadix
Price$7.99Free — better
Rating3.2 (9 ratings) — better—
Positive reviews51.6% of reviews—
Number of ratings9 — better—
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better17.0
Further details — not scored
Size53 MB9 MB
Age rating4+4+
DeveloperFuminori HommaZHANG YIQUN

In-app purchases

None

The Phonetics 3D

No in-app purchases

2 purchases

Readix

Subscriptions2
  • Monthly$7.991 Month
  • Yearly$89.991 Year

Questions

Is The Phonetics 3D free?
The Phonetics 3D costs $7.99, with no in-app purchases.
Is Readix free?
Readix is free to download, with in-app purchases available.
Do The Phonetics 3D or Readix have ads?
Neither The Phonetics 3D nor Readix shows ads.
Which is updated more often, The Phonetics 3D or Readix?
The Phonetics 3D ships an update every 3 weeks, and Readix every 3 days. Most recently, The Phonetics 3D was updated on October 14, 2026 and Readix on October 2, 2026.

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