# ChatLLM vs Engage

The clearest difference is in-app purchases: Engage at none against ChatLLM's 3. ChatLLM's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ChatLLM sells 3 in-app purchases, starting at $9.99 per month. Engage asks for nothing beyond the download.

ChatLLM ships an update every 4 days, Engage every 2 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ChatLLM | Engage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.9K ratings)](https://appshunter.io/ios/app/chatllm-ai-chat-bot-and-agent/id6502844681/reviews)** | — |
| Number of ratings | **3.9K** | — |
| Positive reviews | 64.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Subscription | — |
| Size | 125 MB | 50 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Abacus.AI](https://appshunter.io/developer/1747006654) | [Ryota Murakami](https://appshunter.io/developer/1884937437) |

## What reviewers say

### ChatLLM

[App page](https://appshunter.io/ios/app/chatllm-ai-chat-bot-and-agent/id6502844681)

This app integrates multiple advanced AI models for text, voice, image, and video generation. It offers an autonomous AI agent for complex task automation and real-time meeting transcription with AI insights. Personalization options and deep research capabilities are also included.

**Highlights:** Autonomous AI Agent for task completion, Real-time meeting transcription and summaries, Multi-modal AI chat (text, voice, image, video), Deep web research with source citations, Code execution and debugging, Document analysis and summarization, Personalization with custom instructions and memory

**Features:** Safari Extension, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Monthly subscription | $9.99 | per month |
| Pro Tier | $19.99 | per month |

**What reviewers like**

- 💰 Cheap and powerful
- 🔥 Amazing best on the market by far
- 🔥 Abacus ai - Absolutely fabulous tool great work horse, The best value on the market
- 🔥 The best of AI capabilities into a single, seamless platform!
- 🔥 Super impressive app

**What reviewers complain about**

- 🚫 No account creation
- 📏 Can't adjust font size
- 🚫 Doesn't show routing. Doesn't transcribe audio
- 🐛 Voice chat is not transcribing. I need it. Sometimes I can reenter the thread and it will be there, and then vanish!
- 🚫 Function but ugly and missing clean ui/ux design

**Reported bugs**

- Voice chat is not transcribing
- Chats disappearing after re-entering the thread
- App freezing or becoming laggy when generating responses on mobile
- Voice chat not working
- App crashing on mobile

**Requested features**

- Add transcript to the headphone mode
- Rename a thread
- Add execution time and other metrics for each request
- Indicate which LLM served the request when using routeLLM
- Add an iPad version


### Engage

[App page](https://appshunter.io/ios/app/engage/id6760552941)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChatLLM free?

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

### Is Engage free?

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

### Do ChatLLM or Engage have ads?

Neither ChatLLM nor Engage shows ads.

### Which is updated more often, ChatLLM or Engage?

ChatLLM ships an update every 4 days, and Engage every 2 weeks. Most recently, ChatLLM was updated on November 4, 2026 and Engage 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.*