Offcha vs Colony Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Offcha
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.
- Anonymous group chat
- Shareable chat room URLs
- No contact information exchange
- Temporary chat rooms
- Event communication
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Ranked #1 in the Japanese search engine 'group chat'. ◆ What is Offcha ◆ Group chat made possible without exchanging your contact information. To start a chat, just share the group chat room URL. Even if you do NOT use any SNS, it's easy to join! Offcha is best instant messaging App! [Highly recommended for] - Start a group chat with people you have never met - Get in touch with someone at an event, even when you don't want to exchange your information or connect through social networks - Replacing (troublesome) e-mails - Create a chat room temporarily to kill time [How to use] 1. Create your chat room. 2. Share the URL to open SNS. (Closed messenge is OK like messenger) 3. Let's talk with friends!! * This service is not a dating / matching service. SNS (Twitter, KakaoTalk, Kik etc.) account information exchanges between unknown men and women are prohibited. * Users who violate the terms of use may get their account suspended semi-permanently. Let's enjoy communicating with the off-group chat "Offcha"!
Colony Chat
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Colony Chatは、興味やコミュニティごとに人が集まり、会話できるグループ型チャットアプリです。 グループは「オープン」「公開」「プライベート」の3種類の公開範囲を選択でき、誰でも参加できるオープンなコミュニティから、承認制・招待制のクローズドな空間まで柔軟に作成できます。 また、グループを入れ子構造で管理できるため、大きなコミュニティの中にテーマ別の小さなコミュニティを作ることも可能です。 ユーザーは1つのアカウントで複数のプロフィールを持つことができ、コミュニティごとに異なるプロフィールを使い分けられます。 リアルタイムチャット、通知、モデレーション機能を備え、安心してコミュニケーションできる場を提供します。
Screenshots
Verdict
The clearest difference is ads: Colony Chat at none against Offcha's shown. Colony Chat also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, Colony Chat monthly. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.
| Parameter | Offcha | Colony Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 40.5% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 36 MB |
| Age rating | 17+ | 4+ |
| Developer | RAGNAROCK INC. | Hiroki Muta |
In-app purchases
Offcha
No in-app purchases
Colony Chat
No in-app purchases
