Comparison

The Phonetics 3D vs プロンテストシリーズ

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

プロンテストシリーズ

Features
Read full description

プロンテストシリーズは、英語の発音を「聞く・話す・確認する」練習で身につける学習アプリです。 口や舌の動かし方を図解で確認し、単語や会話の発音を練習できます。学習レポートで取り組んだ内容を振り返り、獲得したトロフィーや学習の進み具合を確認できます。 マイページでは、利用中の教材、学習履歴、アカウント設定をまとめて確認できます。ご利用の教材・契約により、利用できる内容が異なります。 音声を録音する練習にはマイクへのアクセスが必要です。ログインや教材の取得、音声送信などにはインターネット接続が必要です。 プライバシーポリシー: https://prontest.co.jp/privacy-policy/ 利用規約: https://prontest.co.jp/terms-of-service/

Screenshots

The Phonetics 3D4 screens
プロンテストシリーズ4 screens

Verdict

The call

The clearest difference is price: プロンテストシリーズ at Free against The Phonetics 3D's $7.99. The Phonetics 3D's advantage is in-app purchases (none vs 10). On update cadence, ads, device support and iOS requirement 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

プロンテストシリーズ is free to download; The Phonetics 3D costs $7.99 up front. プロンテストシリーズ sells 10 in-app purchases, starting at $19.49 per month. The Phonetics 3D asks for nothing beyond the download.

UpkeepUpdate frequency

The Phonetics 3D ships an update every 3 weeks, プロンテストシリーズ every 5 weeks. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 8 level
The Phonetics 3D versus プロンテストシリーズ: the parameters behind the verdict, then further details
ParameterThe Phonetics 3Dプロンテストシリーズ
Price$7.99Free — better
Rating3.2 (9 ratings) — better—
Positive reviews51.6% of reviews—
Number of ratings9 — better—
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size53 MB28 MB
Age rating4+4+
DeveloperFuminori HommaPRONTEST Inc.

In-app purchases

None

The Phonetics 3D

No in-app purchases

10 purchases

プロンテストシリーズ

Subscriptions10
  • SanseidoES_6th_licenseG$19.491 Month
  • SanseidoJHS_1st_licenseG$19.491 Month
  • SanseidoJHS_2nd_licenseG$19.491 Month
Show 7 more
  • SanseidoJHS_1st_licenseG$68.996 Months
  • SanseidoJHS_2nd_licenseG$68.996 Months
  • SanseidoES_5th_licenseG$91.991 Year
  • SanseidoES_6th_licenseG$91.991 Year
  • SanseidoJHS_3rd_licenseG$91.991 Year
  • SanseidoJHS_1st_licenseG$91.991 Year
  • SanseidoJHS_2nd_licenseG$91.991 Year

Questions

Is The Phonetics 3D free?
The Phonetics 3D costs $7.99, with no in-app purchases.
Is プロンテストシリーズ free?
プロンテストシリーズ is free to download, with in-app purchases available.
Do The Phonetics 3D or プロンテストシリーズ have ads?
Neither The Phonetics 3D nor プロンテストシリーズ shows ads.
Which is updated more often, The Phonetics 3D or プロンテストシリーズ?
The Phonetics 3D ships an update every 3 weeks, and プロンテストシリーズ every 5 weeks. Most recently, The Phonetics 3D was updated on October 18, 2026 and プロンテストシリーズ on October 20, 2026.

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