# ChatLLM vs C

The clearest difference is in-app purchases: C at none against ChatLLM's 3. C also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | ChatLLM | C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.3K ratings)](https://appshunter.io/ios/app/chatllm-ai-chat-bot-and-agent/id6502844681/reviews)** | — |
| Number of ratings | **3.3K** | — |
| Positive reviews | 62.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Subscription | — |
| Size | 93 MB | 64 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Abacus.AI](https://appshunter.io/developer/1747006654) | [C-TECH ENGINEERING & CONSTRUCTION PRIVATE LIMITED](https://appshunter.io/developer/1842578612) |

## What reviewers say

### ChatLLM

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

Access multiple advanced AI models for chat, content creation, and task automation. Features include an autonomous AI agent, real-time meeting transcription, and voice interaction. Generate images, videos, and code, or analyze documents with this comprehensive AI assistant.

**Highlights:** Autonomous AI agent for complex tasks, Real-time meeting transcription and insights, Multi-model AI chat (GPT-5, Opus, Gemini), Image and video generation, Voice chat with multiple AI voices, AI-powered web research, Code execution and debugging

**Features:** Safari Extension

**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


### C

[App page](https://appshunter.io/ios/app/c-tech/id6753121830)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChatLLM free?

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

### Is C free?

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

### Do ChatLLM or C have ads?

Neither ChatLLM nor C shows ads.

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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.*