Jフェス vs timeleSZ app
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jフェス
Your all-in-one guide for major Japanese music festivals. Get early ticket access, artist announcements, venue maps, and essential tips for beginners. Relive the experience with live photos and setlists after the event.
- Official festival app
- Early ticket applications
- Artist announcements
- Beginner's guide
- Timetable and maps
- Live photos and setlists
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ROCK IN JAPAN FESTIVAL、COUNTDOWN JAPAN、JAPAN JAMの公式アプリ。 出演アーティスト発表からフェスのチケットお申し込み、初心者に嬉しいガイド情報など、フェスに関するすべてを全面サポート！ ■チケット先行申込はこのアプリだけ！ チケットの先行受付から当日の入場まで、すべてが「Jフェス」アプリで完結！出演アーティスト発表やチケットの受付開始もプッシュ通知でいち早くお知らせします。 ■フェス初心者にも嬉しいガイドブックも！ 会場へのアクセス、オフィシャルグッズの購入方法、服装や持ち物のアドバイス、参加者のファッションスナップなど、フェスを楽しむためのありとあらゆる情報をイラストや写真を交えながら解説します。 ■タイムテーブル・マップなど必ずフェス当日に役立つ機能を搭載！ 毎回好評のマイタイムテーブルや、飲食店、グッズ情報、エリアマップなど、当日役立つ機能ももちろん搭載。気になる飲食店やグッズをお気に入り登録したり、フェスの準備にもお役立ち。 ■ライブ写真やセットリストでフェスが終わった後も楽しもう！ フェス当日は各アクト終了後からライブ写真とセットリストをアプリに掲載。フェスに参加した方はもちろん、参加できなかった方もお楽しみいただけるコンテンツです。 ■対応フェスティバル ROCK IN JAPAN FESTIVAL（ロック・イン・ジャパン・フェスティバル） COUNTDOWN JAPAN （カウントダウン・ジャパン） JAPAN JAM （ジャパン・ジャム）
timeleSZ app
Register serial codes from CD playlists to unlock and play included songs within the app. Create personalized custom playlists of your favorite tracks. Detailed usage instructions are available within the app's "MORE" menu.
- Register CD serial codes
- Play included songs
- Create custom playlists
- Music player function
- Access 'How to Use' guide
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The serial code on the playlist card enclosed in the CDs of Sexy Zone and timelesz can be registered to the music player function in the application to enjoy the included songs. You can also create your own custom playlist. For details on how to use this service, please refer to the "MORE" menu "How to Use" in the app.
Screenshots
Verdict
The clearest difference is review sentiment: timeleSZ app at 71% against Jフェス's 15%. timeleSZ app also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Jフェス's advantage is update cadence (every 4 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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.
Jフェス ships an update every 4 weeks, timeleSZ app every 2 months. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.
| Parameter | Jフェス | timeleSZ app |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (7 ratings) — better |
| Positive reviews | 14.8% of reviews | 71.2% of reviews — better |
| Number of ratings | — | 7 — better |
| Update frequency | Every 4 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 173 MB | 93 MB |
| Age rating | 4+ | 4+ |
| Developer | rockin'on holdings inc. | Groove Music Company Inc. |
Customer experience
Jフェス
timeleSZ app
Bugs and requests
Jフェス
Not enough reviews yet to summarise bugs or requests.
timeleSZ app
Reported bugs
10 issues- Frequent logouts
- App crashes
- Unresponsive taps
- Incorrect song plays
- Lyrics display issues
Show 5 moreShow fewer
- SZ VOICE playback delay
- Bluetooth connectivity issues
- App freezes on login
- Cannot play music
- Background playback not working
Requested features
14 requests- Allow ID memory for login
- Add timer function
- Improve sound quality
- Enable offline playback
- Add MV playback
Show 9 moreShow fewer
- Lyrics scroll with music
- Add search function for songs
- Allow sorting songs by alphabet
- Allow purchasing songs individually
- Add Car Play support
- Allow reordering playlists
- Allow registering past CDs
- Link lyrics to singing parts
- Allow viewing DVDs within the app
In-app purchases
Jフェス
No in-app purchases
timeleSZ app
No in-app purchases
