カラオケ大学 vs Jazz Practice Journal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
カラオケ大学
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【いつでも、どこでも、歌のレッスン!】 \音痴克服・歌うま・歌手デビューを目指せる!/ ◆歌唱力と点数を両方伸ばす カラオケ上達・オンラインレッスン 講師、センパイと一緒にまずは90点以上の“歌うま”を目指しましょう! オンラインレッスンならではの、テレビで活躍する歌うま講師や、95点以上の高得点を出せる歌うまセンパイのレッスンを受けられます。 先生やセンパイに会って対面でレッスンを受ける機会もあります。 ◆歌手や業界人が登壇する会員限定スペシャルセミナー 歌手や業界人を講師に迎えて、会員限定の一夜限りのスペシャルなオンラインセミナー講座を開催します。 ◆カラオケ好きなら取得したい検定と資格 カラオケ大学には、「歌うまグレード検定」と「カラオケソムリエ資格」があり、どちらもオンラインで受験できます。 ・歌うまグレード検定 歌うまグレード検定は、あなたのカラオケの実力を認定します。(認定証を発行) 3級以上を取得すると、センパイとしてカラオケ大学でレッスンを開催できます。センパイとしてレッスン実績を積み、実技試験に合格すると、カラオケ大学認定講師としてレッスンを開催できます。 ・カラオケソムリエ資格 カラオケソムリエ資格は、カラオケ機材の最適設定や、盛り上がる曲・歌いやすい曲のアドバイスができる人、カラオケの場を楽しくファシリテートできる人を認定する検定です。 ◆仲間とワイワイ盛り上がれるサークル活動 オンラインのサークルイベントを開催できます。 好きな歌手、好きな音楽、カラオケの悩みなどのテーマで参加者を募り、みんなで楽しく盛り上がったり、真面目に話し合ったりできます。 カラオケ好きで、趣味嗜好が似た人たちと出会えるので、盛り上がれること間違いなし! ◆グランプリはiTunes歌手デビュー確約のオーディションイベント ドリカムやジュディマリを発掘育成した、元ソニーミュージックレコーズ社長目黒育郎氏の育成プロデュースに参加できます。
Jazz Practice Journal
Log music practice sessions quickly, identify areas for improvement, and build motivation with streaks. Features include an AI coach, automatic routine generation, and multi-instrument support.
- Log practice sessions in 30 seconds
- AI practice coach identifies blind spots
- Automatic daily routine generation
- Multi-instrument support with presets
- Integrated metronome, tuner, and drone (Pro)
- Streak tracking for motivation
- Weekly and monthly practice reviews
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Jazz Practice Journal helps you work through your daily practice routine, log every session, and stay on track — in seconds. Start free. ◆ YOUR ROUTINE, TOP TO BOTTOM Line up the exercises you do every day, in the order you do them. They appear on Home with the next one highlighted, so you can start right away. Begin with a suggested routine for your instrument, or build your own. ◆ SAVE AND KEEP GOING Save one item and go straight to the next — no trip back to Home. Key and tempo carry over from last time. ◆ LOG A SESSION IN 30 SECONDS Practicing something outside your routine? Tap a preset and you're practicing. ◆ MULTI-INSTRUMENT Trumpet, Trombone, Tenor Sax, Alto Sax, Baritone Sax, Piano, Bass, Drums, Guitar, and Vocal — each with its own presets. Key transposition (C / Bb / Eb) for horn players. ◆ METRONOME, TUNER & DRONE (Pro) All your practice tools, one tap from the practice screen. ◆ WEEKLY REVIEW See your practice time, top exercises, and how each session felt over the past week — in clear charts (monthly and all-time with Pro). ◆ SPACED REVIEW (Pro) Get reminded to revisit each piece at the right time, based on the forgetting curve. Make every session stick. ◆ PRO ($4.99/month) • Unlimited routine items (free plan: up to 5) • Spaced review (forgetting curve) • Metronome, tuner, drone, and recording while practicing • Monthly and all-time summaries, plus full practice history Terms of Use: https://music-practice-coach.vercel.app/terms Privacy Policy: https://music-practice-coach.vercel.app/privacy
Screenshots
Verdict
The clearest difference is review sentiment: カラオケ大学 at 93% against Jazz Practice Journal's 0%. カラオケ大学 also leads on in-app purchases (none vs 1) and iOS requirement (10.0 vs 18.0). Jazz Practice Journal's advantage is update cadence (weekly vs every 3 weeks). On price, 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
Both are free to download. Jazz Practice Journal sells 1 in-app purchase, starting at $3.99 per month. カラオケ大学 asks for nothing beyond the download.
カラオケ大学 ships an update every 3 weeks, Jazz Practice Journal weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | カラオケ大学 | Jazz Practice Journal |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 93.3% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 19 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | AtoNO Records | Toshihiro Suzuki |
Customer experience
カラオケ大学
Jazz Practice Journal
In-app purchases
カラオケ大学
No in-app purchases
Jazz Practice Journal
- Pro - monthly14 Days trial$3.991 Month









