# J vs THE CAVE｜惟諾之角

J and THE CAVE｜惟諾之角 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | J | THE CAVE｜惟諾之角 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 81 MB | 81 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [weichieh lin](https://appshunter.io/developer/1683777188) | [YiChun LIN](https://appshunter.io/developer/1678669057) |

## What reviewers say

### J

[App page](https://appshunter.io/ios/app/j-lin-infinity/id1643486063)

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

**In-app purchases:** none


### THE CAVE｜惟諾之角

[App page](https://appshunter.io/ios/app/the-cave/id6443612189)

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

**In-app purchases:** none


## Frequently asked questions

### Is J free?

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

### Is THE CAVE｜惟諾之角 free?

THE CAVE｜惟諾之角 is free to download, with no in-app purchases.

### Do J or THE CAVE｜惟諾之角 have ads?

Neither J nor THE CAVE｜惟諾之角 shows ads.

### Which is updated more often, J or THE CAVE｜惟諾之角?

J ships an update every 3 months, and THE CAVE｜惟諾之角 every 3 months. Most recently, J was updated on September 17, 2026 and THE CAVE｜惟諾之角 on September 15, 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.*