# Offcha vs UnderLine

The clearest difference is ads: UnderLine at none against Offcha's shown. UnderLine also leads on update cadence (every 4 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Offcha ships an update every 6 weeks, UnderLine every 4 days. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Offcha | UnderLine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/offcha-instant-group-chat/id1476360630/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 40.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 30 MB | 85 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [RAGNAROCK INC.](https://appshunter.io/developer/1439402800) | [5mm](https://appshunter.io/developer/1832720335) |

## What reviewers say

### Offcha

[App page](https://appshunter.io/ios/app/offcha-instant-group-chat/id1476360630)

Connect with others instantly without sharing personal contact details. Simply create a chat room and share the URL to start conversations with new or existing contacts. Ideal for events, temporary discussions, or replacing email.

**Highlights:** Anonymous group chat, Shareable chat room URLs, No contact information exchange, Temporary chat rooms, Event communication

**Features:** macOS Compatibility

**In-app purchases:** none


### UnderLine

[App page](https://appshunter.io/ios/app/underline/id6751827790)

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

**In-app purchases:** none


## Frequently asked questions

### Is Offcha free?

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

### Is UnderLine free?

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

### Do Offcha or UnderLine have ads?

Offcha shows ads; UnderLine does not.

### Which is updated more often, Offcha or UnderLine?

Offcha ships an update every 6 weeks, and UnderLine every 4 days. Most recently, Offcha was updated on October 18, 2026 and UnderLine on October 12, 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.*