# janvo vs Prism Chess

The clearest difference is ads: Prism Chess at none against janvo's shown. Prism Chess also leads on iOS requirement (15.1 vs 18.4). On price, update cadence, 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.

janvo ships an update every 3 days, Prism Chess every 4 days. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | janvo | Prism Chess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prism-chess/id6758590405/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | — | Free |
| Size | 102 MB | 32 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ARC LAB LLC](https://appshunter.io/developer/1858767099) | [Hunter Billhardt](https://appshunter.io/developer/1809484744) |

## What reviewers say

### janvo

[App page](https://appshunter.io/ios/app/janvo/id6756155611)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prism Chess

[App page](https://appshunter.io/ios/app/prism-chess/id6758590405)

Experience classic chess with a unique twist. Rotate sections of the board to reposition pieces, disrupt opponents, and create new tactical opportunities. This game introduces a novel win condition where capturing the king directly ends the match.

**Highlights:** Classic chess rules with board rotation, Local multiplayer on a single device, AI opponent with adjustable difficulty, Unique win condition: direct king capture, Visual grid guides for rotation zones, Move log and undo functionality

**In-app purchases:** none


## Frequently asked questions

### Is janvo free?

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

### Is Prism Chess free?

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

### Do janvo or Prism Chess have ads?

janvo shows ads; Prism Chess does not.

### Which is updated more often, janvo or Prism Chess?

janvo ships an update every 3 days, and Prism Chess every 4 days. Most recently, janvo was updated on September 30, 2026 and Prism Chess on October 9, 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.*