# RAYVN vs Klar App

The clearest difference is in-app purchases: RAYVN at none against Klar App's 1. RAYVN also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Klar App sells 1 one-off in-app purchase. RAYVN asks for nothing beyond the download.

RAYVN ships an update fortnightly, Klar App every 2 weeks. The most recent releases landed on September 13, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | RAYVN | Klar App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/rayvn/id1221857713/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free | — |
| Size | 55 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rayvn AS](https://appshunter.io/developer/1221857712) | [Michel Cato](https://appshunter.io/developer/1895561703) |

## What reviewers say

### RAYVN

[App page](https://appshunter.io/ios/app/rayvn/id1221857713)

This application serves as a mobile companion for an online critical event management system. It allows users to quickly start and document events, notify teams, and receive real-time updates. Users can share images, track tasks, and view team locations during incidents.

**Highlights:** Start event logs instantly, Predefined scenarios with teams and tasks, Automatic team notifications, Real-time incident log updates, Share images and location, Track and complete assigned tasks

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

**In-app purchases:** none


### Klar App

[App page](https://appshunter.io/ios/app/klar-app/id6767936951)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Klar | $2.99 | one-time |


## Frequently asked questions

### Is RAYVN free?

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

### Is Klar App free?

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

### Do RAYVN or Klar App have ads?

Neither RAYVN nor Klar App shows ads.

### Which is updated more often, RAYVN or Klar App?

RAYVN ships an update fortnightly, and Klar App every 2 weeks. Most recently, RAYVN was updated on September 13, 2026 and Klar App on September 19, 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.*