# SYNCHRONICITY'26 vs 川口フェス

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.

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.

## The numbers

| Metric | SYNCHRONICITY'26 | 川口フェス |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 58 months |
| Size | 76 MB | 123 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Spincoaster, Inc.](https://appshunter.io/developer/1121965399) | [Next Stage Company Limited](https://appshunter.io/developer/1593792968) |

## What reviewers say

### SYNCHRONICITY'26

[App page](https://appshunter.io/ios/app/synchronicity26/id1496583488)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### 川口フェス

[App page](https://appshunter.io/ios/app/id1593792966)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SYNCHRONICITY'26 free?

SYNCHRONICITY'26 is free to download, with no in-app purchases.

### Is 川口フェス free?

川口フェス is free to download, with no in-app purchases.

### Do SYNCHRONICITY'26 or 川口フェス have ads?

Neither SYNCHRONICITY'26 nor 川口フェス shows ads.

### Which is updated more often, SYNCHRONICITY'26 or 川口フェス?

SYNCHRONICITY'26 ships an update every 2 weeks, and 川口フェス every 58 months. Most recently, SYNCHRONICITY'26 was updated on November 3, 2026 and 川口フェス on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*