# Clack vs AI Agent Builder

The clearest difference is price: Clack at Free against AI Agent Builder's $2.99. Clack also leads on update cadence (every 2 days vs every 10 days). AI Agent Builder's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Clack is free to download; AI Agent Builder costs $2.99 up front. Clack sells 2 in-app purchases, starting at $4.99 per month. AI Agent Builder asks for nothing beyond the download.

Clack ships an update every 2 days, AI Agent Builder every 10 days. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Clack | AI Agent Builder |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/clack-ai-agent-messenger/id6759464908/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Paid | — |
| Size | 18 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fabian Schneider](https://appshunter.io/developer/1878751714) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## What reviewers say

### Clack

[App page](https://appshunter.io/ios/app/clack-ai-agent-messenger/id6759464908)

Communicate privately with your AI agent through text and voice calls, all stored on your own server. Choose from various voice providers and manage multiple conversations with full history.

**Highlights:** Real-time voice and text chat, Self-hosted data storage, Multiple private conversations, Choice of voice providers, End-to-end encryption, No account required

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Clack Pro | $2.99 | one-time |


### AI Agent Builder

[App page](https://appshunter.io/ios/app/ai-agent-builder-create-agent/id6762403953)

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

**In-app purchases:** none


## Frequently asked questions

### Is Clack free?

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

### Is AI Agent Builder free?

AI Agent Builder costs $2.99, with no in-app purchases.

### Do Clack or AI Agent Builder have ads?

Neither Clack nor AI Agent Builder shows ads.

### Which is updated more often, Clack or AI Agent Builder?

Clack ships an update every 2 days, and AI Agent Builder every 10 days. Most recently, Clack was updated on October 15, 2026 and AI Agent Builder on October 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.*