ProperSound vs Fluent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ProperSound
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You already know English. Now make it sound right. In a job interview, a client call, or a presentation, the gap between correct English and convincing English is how it sounds — the rhythm, the stress, the melody of the sentence. ProperSound trains exactly that, the way interpreters and actors train: by mimicking a perfect model until it becomes your own voice. HOW IT WORKS 1. Listen to a sentence spoken the way it should sound. 2. Speak it back — mimic the model's rhythm, stress, and melody. 3. Hear your voice and the model side by side, and see exactly where you differ. The difference is the lesson. No scores, no grades. Your own ears are the judge — the way professionals have always trained their voice. HEAR YOUR OWN VOICE, PERFECTED ProperSound doesn't just compare — it corrects. • Plug in wired headphones and your voice is tuned toward the model in real time as you speak. You hear yourself sounding right while you practice. • After every take, replay a perfected version rendered from your own recording — your voice, with the model's polish. This is what you should sound like. • The model audio itself is enhanced so the cues learners usually miss — sentence stress, crisp consonants, linking — stand out clearly. SEE THE DIFFERENCE • Your waveform overlaid on the model's: rhythm and pauses at a glance. • A band-by-band sound profile shows exactly where your energy falls short of the model. • Every sentence comes with its stress pattern, IPA transcription, and a coaching tip written for that exact sentence. ENGLISH FOR REAL SITUATIONS Practice the sentences professionals actually say: • Job interviews — introduce yourself, answer with the STAR method • Workplace communication — meetings, small talk, difficult conversations • Presentations — open, transition, persuade, close • Financial news — read the markets aloud like a broadcast anchor • Daily life, travel, and campus English From your first sounds to native-level delivery, with six US and UK studio voices to train your ear. WORKS ANYWHERE, STAYS PRIVATE Every lesson and every recording ships inside the app. Nothing to download, nothing to stream, no account needed to look around. Practice on a plane, on the subway, anywhere. Your voice never leaves your device: recordings and progress are stored locally and are never uploaded to us or anyone else. PROPERSOUND PRO Start free with lessons in every chapter. ProperSound Pro unlocks the full curriculum, with a 7-day free trial on the monthly and yearly plans. • Monthly, yearly, or yearly for the family (up to 6 people) • Payment is charged to your Apple Account at confirmation of purchase • Subscriptions renew automatically unless turned off at least 24 hours before the period ends • Manage or cancel in your Apple Account settings after purchase • Any unused portion of a free trial is forfeited when you buy a subscription Terms of Use: https://rx20.github.io/propersound_pages/terms-of-service.html Privacy Policy: https://rx20.github.io/propersound_pages/privacy-policy.html
Fluent
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Fluent は、シャドーイングと AI の先生で、英語の「聞く・話す」を毎日少しずつ伸ばす学習アプリです。お手本に声を重ねて録音すると、AI が発音・リズム・抑揚を採点。5 分の AI クラスや総合テストで、自分に合った練習を続けられます。 ■ シャドーイング + AI 採点 ・多国籍アクセントのプリセット教材(アメリカ・イギリス・オーストラリア・インド・シンガポール など) ・再生位置のハイライト、0.5× からの速度調整、くり返し再生 ・録音してそのまま AI 分析。単語ごとの評価と総合スコア、次に直す一点のコメント ・画面をロックしても再生が続きます ■ AI クラス(5 分のマンツーマン) ・AI の先生と声で話す 5 分のレッスン ・TOEIC・TOEFL 形式のリーディング、リスニング、ライティング、スピーキング、英単語 4 択 ・1 問ごとに正誤とひとことの解説。正解が続くと少し難しく、つまずくと少しやさしく ・会話レベルチェック ■ 総合テスト ・語彙、文法、リーディング、リスニング、ライティング、スピーキングから、今のレベルを 9 段階(A1〜C2)で推定します(学習の目安で、公式の認定ではありません) ■ AI コーチ(Premium) ・目標と使える時間から 2 週間の学習計画を一緒に作成 ・音声での面談と振り返り。話した内容は面談記録として見返せます ■ 単語帳 ・練習画面で単語をタップして保存。文脈に合った意味と例文つき ■ Web 版との連携 同じアカウントで Web 版(fluent-en.com)にログインすると、教材と学習記録が同期されます。手持ちの音声から教材を作る機能は Web 版で使えます。 ■ 料金 7 日間の無料トライアル(AI クラス 3 回、音声コーチング 15 分まで)のあと、続けて使うには有料プランが必要です。アプリ内では自動更新サブスクリプションで購入できます。 ・Starter:AI クラス 5 分 × 月 4 回 ・Pro:AI クラス 5 分 × 毎日 1 回 ・Pro Plus:AI クラス 5 分 or 10 分 × 毎日 1 回 ・Premium:Pro Plus の内容 + AI コーチ それぞれ月額と年額があります。料金はアプリ内で、お住まいの地域の通貨で表示されます。 購入すると Apple ID に課金されます。サブスクリプションは、現在の期間が終わる 24 時間前までに解約しない限り自動で更新されます。更新や解約は iPhone の「設定」> Apple ID >「サブスクリプション」から行えます。 利用規約:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Fluent 利用規約:https://fluent-en.com/terms プライバシーポリシー:https://fluent-en.com/privacy ■ 必要な権限 マイク:シャドーイングの録音と、AI クラス・AI コーチとの会話に使います。録音はあなたのアカウントにのみ保存されます。AI との会話の音声はリアルタイムに処理され、保存しません(文字起こしのみ保存)。
Screenshots
Verdict
The clearest difference is in-app purchases: Fluent at none against ProperSound's 3. Fluent also leads on update cadence (daily vs every 2 weeks). On price, 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
Both are free to download. ProperSound sells 3 in-app purchases, starting at $8.99 per month. Fluent asks for nothing beyond the download.
ProperSound ships an update every 2 weeks, Fluent daily. The most recent releases landed on October 25, 2026 and November 1, 2026 respectively.
| Parameter | ProperSound | Fluent |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 606 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Yonghao Xu | tetsuya takayanagi |
In-app purchases
ProperSound
- Pro Monthly7 Days trial$8.991 Month
- Pro Yearly7 Days trial$29.991 Year
- Pro Family$49.991 Year
Fluent
No in-app purchases









