# Light4Events vs Grall

The clearest difference is review sentiment: Grall at 100% against Light4Events's 50%. Grall also leads on update cadence (weekly vs every 2 months). Light4Events's advantage is iOS requirement (12.4 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Light4Events ships an update every 2 months, Grall weekly. The most recent releases landed on June 25, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Light4Events | Grall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/grall/id1551643343/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 9 MB | 130 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Light4Events](https://appshunter.io/developer/1827238206) | [Glorytech](https://appshunter.io/developer/1489925268) |

## What reviewers say

### Light4Events

[App page](https://appshunter.io/ios/app/light4events/id1042244718)

Transform your smartphone into a dynamic visual element at compatible events. Participate in synchronized light shows and interactive content, enhancing the collective experience for concerts, shows, and commercial events. The more users, the grander the effect.

**Highlights:** Synchronized visual effects, Smartphone as animated pixel, Interactive content, Public light canvas, Camera flash activation

**Features:** macOS Compatibility

**In-app purchases:** none


### Grall

[App page](https://appshunter.io/ios/app/grall/id1551643343)

This app provides local information by scanning your surroundings via satellite, Bluetooth, and Li-Fi. Discover points of interest, shopping, and smart city features. It also offers a Geo-Vocal mode for navigation and an offline mode.

**Highlights:** Local information discovery, Satellite, Bluetooth, Li-Fi scanning, Geo-Vocal navigation, Offline mode, Smart city integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Light4Events free?

Light4Events is free to download, with no in-app purchases.

### Is Grall free?

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

### Do Light4Events or Grall have ads?

Neither Light4Events nor Grall shows ads.

### Which is updated more often, Light4Events or Grall?

Light4Events ships an update every 2 months, and Grall weekly. Most recently, Light4Events was updated on June 25, 2026 and Grall on September 20, 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.*