# Gravicode vs PRISM

The clearest difference is in-app purchases: Gravicode at none against PRISM's 1. Gravicode also leads on update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PRISM sells 1 one-off in-app purchase. Gravicode asks for nothing beyond the download.

Gravicode ships an update every 9 days, PRISM every 3 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Gravicode | PRISM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alex Fedotov](https://appshunter.io/developer/1210684956) | [torankirite](https://appshunter.io/developer/1883564850) |

## What reviewers say

### Gravicode

[App page](https://appshunter.io/ios/app/gravicode-laser-puzzle/id6788793098)

**Features:** macOS Compatibility

**In-app purchases:** none


### PRISM

[App page](https://appshunter.io/ios/app/prism-laser-logic-puzzle/id6791115421)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is Gravicode free?

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

### Is PRISM free?

PRISM is free to download, with in-app purchases available.

### Do Gravicode or PRISM have ads?

Neither Gravicode nor PRISM shows ads.

### Which is updated more often, Gravicode or PRISM?

Gravicode ships an update every 9 days, and PRISM every 3 weeks. Most recently, Gravicode was updated on October 31, 2026 and PRISM on October 29, 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.*