# J vs CANNONBALL(Fes)

The clearest difference is update cadence: CANNONBALL(Fes) at weekly against J's every 3 months. J's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

J ships an update every 3 months, CANNONBALL(Fes) weekly. The most recent releases landed on September 21, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | J | CANNONBALL(Fes) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 15 MB | 105 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [J-WAVE](https://appshunter.io/developer/379894285) | [eplus inc.](https://appshunter.io/developer/465887676) |

## What reviewers say

### J

[App page](https://appshunter.io/ios/app/j-wave/id836381918)

Listen live to a Tokyo-based FM radio station, participate in listener communities for exclusive events and gifts, and earn points daily. Enjoy real-time song information and engage with other listeners through comments.

**Highlights:** Live radio streaming, Daily point earning, Exclusive member events, Gift and prize applications, Listener comments and communication, Real-time song display

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

**In-app purchases:** none


### CANNONBALL(Fes)

[App page](https://appshunter.io/ios/app/cannonballfes/id6741305402)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is J free?

J is free to download, with no in-app purchases.

### Is CANNONBALL(Fes) free?

CANNONBALL(Fes) is free to download, with no in-app purchases.

### Do J or CANNONBALL(Fes) have ads?

Neither J nor CANNONBALL(Fes) shows ads.

### Which is updated more often, J or CANNONBALL(Fes)?

J ships an update every 3 months, and CANNONBALL(Fes) weekly. Most recently, J was updated on September 21, 2026 and CANNONBALL(Fes) on August 21, 2026.

---

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