Juliet vs Solfe
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Juliet
This application allows users to unlock and lock doors at the TCM Nakameguro and Daikanyama campuses. It provides a list of lockable locations and enables password changes for app access. Note that hallways and practice rooms are automatically locked.
- Unlock/lock campus doors
- View lockable locations
- Change app login password
- Automatic hallway/practice room locking
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TCM中目黒・代官山キャンパスの鍵開錠・施錠のためのアプリです。 ID/パスワードはガイダンスにて説明されます。 <機能一覧> ・トップ画面(鍵の開錠・施錠ができる場所の一覧) TCM中目黒・代官山キャンパスの鍵の開錠・施錠ができます。 ※但し、廊下や練習室は自動施錠となります。 ・パスワード変更 Julietアプリのログインパスワード変更ができます。 ※パスワードを忘れてしまった場合は、各キャンパス内事務局までご相談ください。
Solfe
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Solfe brings the study and the practice of music together: theory, plus the solfège side — ear training, sight-singing and rhythm — all in one place, at your own pace. - Music theory: 14,000+ questions across 8 categories (intervals, key signatures, scales, rhythm, terms, chords, transposition, score analysis), every one with a careful explanation. Notation questions are rendered on a real staff, with a keyboard diagram in the explanation. - Solfège: ear training, sight-singing, and rhythm. Exercises are generated on the fly, so the training never runs out. Sight-singing grades your pitch and timing on the device — your voice never leaves your phone. - Ask about a question: when an explanation doesn't land, ask about that question directly. Answers are grounded in the question, its answer, and the notation. - Today: the home screen picks what to do next - review that is due, or the level you are working through - plus one solfège exercise for when you can use your voice. - Review: spaced repetition (SRS) remembers what you solved and brings it back right before you forget. - Practice exam: 20 questions in 20 minutes, modelled on the structure of Japanese music high school and conservatory entrance exams. Free plan: every question is open - all categories and all levels, up to conservatory entrance level - with 5 sessions a day (a session is 10 questions in theory or ear training; one exercise in sight-singing). Every explanation, score, and keyboard stays visible, and spaced repetition works with a 30-question queue. Solfe Pro (subscription, 7-day free trial): no daily limit, unlimited review, a mastery map broken down by category and by material, the practice exam, and weak-spot drills. Your account is shared with the music learning service Creatone. Active Creatone subscribers get Solfe Pro at no extra cost. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in your App Store account settings. Terms: https://solfeapp.web.app/terms Privacy: https://solfeapp.web.app/privacy Music notation is rendered with Verovio (RISM Digital Center). https://www.verovio.org
Screenshots
Verdict
The clearest difference is update cadence: Solfe at every 3 days against Juliet's every 5 months. Juliet's advantage is device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Juliet ships an update every 5 months, Solfe every 3 days. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.
| Parameter | Juliet | Solfe |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 30.8% of reviews | — |
| Update frequency | Every 5 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 26 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Tokyo College of Music | REGNITION, K.K. |
In-app purchases
Juliet
No in-app purchases
Solfe
No in-app purchases








