# Openchat vs CB Kolín app

The clearest difference is in-app purchases: CB Kolín app at none against Openchat's 8. CB Kolín app also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Openchat sells 8 in-app purchases, starting at $6.99 per 7 days. CB Kolín app asks for nothing beyond the download.

Openchat ships an update every 3 weeks, CB Kolín app every 4 days. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Openchat | CB Kolín app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.6K ratings)](https://appshunter.io/ios/app/openchat-ai-chatbot-copilot/id6448482829/reviews)** | — |
| Number of ratings | **4.6K** | — |
| Positive reviews | 81.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 19 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [JARVISY LTD](https://appshunter.io/developer/1691923506) | [Marek Ptacek](https://appshunter.io/developer/1878983375) |

## What reviewers say

### Openchat

[App page](https://appshunter.io/ios/app/openchat-ai-chatbot-copilot/id6448482829)

This app combines AI chat capabilities with image generation. It assists with writing, learning, and everyday queries, and can create or transform images from text prompts or existing photos. Access advanced AI models and refine results through conversational follow-ups.

**Highlights:** AI-powered chat for writing and learning, Generate images from text prompts, Transform photos with styles, Voice input and file sharing, Chat history search, Rate AI responses, Access to advanced AI models

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day free trial | $6.99 | per 7 days |
| 3-day free trial | $7.99 | per 7 days |
| AI Chat Premium Monthly | $19.99 | per month |
| 3-day free trial | $19.99 | per month |
| AI Chat Premium Monthly | $29.99 | per month |
| Yearly Access | $39.99 | per year |
| Yearly Access | $49.99 | per year |
| Yearly Access | $89.99 | per year |

**What reviewers like**

- 🚀 Super charged productivity and brainstorm capacity
- 👍 Helpful for dyslexic business owners
- 👍 Easy to use
- 👍 Awesome program for therapists
- 👍 Very helpful as an editor

**What reviewers complain about**

- 🐛 Incorrect spelling in advanced images
- 🔒 Requires payment for full access
- 🐛 Image generation limitations and issues

**Reported bugs**

- Incompatibility with older devices
- Charging for a free trial

**Requested features**

- Option to create documents
- More free messages or reduced reset time
- Dark mode option


### CB Kolín app

[App page](https://appshunter.io/ios/app/cb-kolin-app/id6760581368)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Openchat free?

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

### Is CB Kolín app free?

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

### Do Openchat or CB Kolín app have ads?

Openchat shows ads; CB Kolín app does not.

### Which is updated more often, Openchat or CB Kolín app?

Openchat ships an update every 3 weeks, and CB Kolín app every 4 days. Most recently, Openchat was updated on November 12, 2026 and CB Kolín app on November 9, 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.*