# ReplyRoom AI vs DopamineOS

The clearest difference is in-app purchases: ReplyRoom AI at none against DopamineOS's 1. ReplyRoom AI also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. DopamineOS sells 1 one-off in-app purchase. ReplyRoom AI asks for nothing beyond the download.

ReplyRoom AI ships an update every 9 days, DopamineOS every 2 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ReplyRoom AI | DopamineOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/replyroom-ai-character-chat/id6776506245/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free | — |
| Size | 41 MB | 56 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [淇淇 陈](https://appshunter.io/developer/1872259174) | [Konrad Kern](https://appshunter.io/developer/6775921733) |

## What reviewers say

### ReplyRoom AI

[App page](https://appshunter.io/ios/app/replyroom-ai-character-chat/id6776506245)

Engage in creative text and voice conversations with AI characters. Build groups, discover unique voices, and share your creations. Primarily stored on your device, with clear data usage explanations before third-party AI processing.

**Highlights:** Text and voice conversations, Group chat with multiple characters, Discover and add custom voices, Share text, image, and voice posts, On-device chat history storage, Privacy controls and consent management

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

**In-app purchases:** none


### DopamineOS

[App page](https://appshunter.io/ios/app/dopamineos/id6782207382)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DopamineOS Pro | $1.99 | one-time |


## Frequently asked questions

### Is ReplyRoom AI free?

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

### Is DopamineOS free?

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

### Do ReplyRoom AI or DopamineOS have ads?

Neither ReplyRoom AI nor DopamineOS shows ads.

### Which is updated more often, ReplyRoom AI or DopamineOS?

ReplyRoom AI ships an update every 9 days, and DopamineOS every 2 months. Most recently, ReplyRoom AI was updated on October 28, 2026 and DopamineOS on October 31, 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.*