# RFR901 APP vs CometChat Builder

The clearest difference is update cadence: CometChat Builder at every 3 weeks against RFR901 APP's every 2 months. RFR901 APP's advantage is iOS requirement (11.0 vs 13.0). On price, ads, 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.

RFR901 APP ships an update every 2 months, CometChat Builder every 3 weeks. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | RFR901 APP | CometChat Builder |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 5 MB | 66 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bluebirdcorp](https://appshunter.io/developer/1290195462) | [CometChat Inc.](https://appshunter.io/developer/1790694976) |

## What reviewers say

### RFR901 APP

[App page](https://appshunter.io/ios/app/rfr901-app/id6450923548)

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

**In-app purchases:** none


### CometChat Builder

[App page](https://appshunter.io/ios/app/cometchat-builder/id6740586011)

Explore and customize pre-built chat UI components for your applications. This tool allows developers and designers to visualize and test different themes, colors, and layouts for seamless chat integration.

**Highlights:** Interactive UI components, Customizable themes, colors, and layouts, Layout testing, Design exploration, Hands-on demonstration

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

**In-app purchases:** none


## Frequently asked questions

### Is RFR901 APP free?

RFR901 APP is free to download, with no in-app purchases.

### Is CometChat Builder free?

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

### Do RFR901 APP or CometChat Builder have ads?

Neither RFR901 APP nor CometChat Builder shows ads.

### Which is updated more often, RFR901 APP or CometChat Builder?

RFR901 APP ships an update every 2 months, and CometChat Builder every 3 weeks. Most recently, RFR901 APP was updated on September 30, 2026 and CometChat Builder on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*