SYNCHRONICITY'26 vs 川口フェス
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SYNCHRONICITY'26
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The official app for the circuit-style festival "SYNCHRONICITY" held in Shibuya. Full of information and functions to make the festival more convenient and enjoyable. [Main functions] ■Artist information You can check the lineup of artists by performance date. From the artist details, you can check the music with MVs and links to various streaming services such as Apple Music and Spotify. ■Timetable You can check the timetable by performance date. You can also create your own timetable and use the "reminder function" to notify you when the performance time is approaching. You can also share your own timetable on SNS etc. ■Crowding situation You can check the congestion situation at each venue. ■Map You can check the location of each venue on a map linked to GPS. ■Goods You can check the design and size of official goods from a list. ■Information You can check information about the festival such as news, tickets, access information, and frequently asked questions.
川口フェス
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川口フェスの公式アプリ。フェスを楽しむための情報・機能が満載! アーティスト情報やグッズ情報、タイムテーブル等を発信しています。
Screenshots
Verdict
The clearest difference is update cadence: SYNCHRONICITY'26 at every 2 weeks against 川口フェス's every 58 months. SYNCHRONICITY'26 also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On price, ads and in-app purchases 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.
SYNCHRONICITY'26 ships an update every 2 weeks, 川口フェス every 58 months. Both last shipped on November 3, 2026.
| Parameter | SYNCHRONICITY'26 | 川口フェス |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 58 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 76 MB | 123 MB |
| Age rating | 12+ | 4+ |
| Developer | Spincoaster, Inc. | Next Stage Company Limited |
In-app purchases
SYNCHRONICITY'26
No in-app purchases
川口フェス
No in-app purchases









