# Darbium vs Openchat

The clearest difference is in-app purchases: Darbium at none against Openchat's 8. Darbium also leads on ads (none vs shown). Openchat's advantage is update cadence (every 3 weeks vs every 4 months). 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. Darbium asks for nothing beyond the download.

Darbium ships an update every 4 months, Openchat every 3 weeks. The most recent releases landed on September 29, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Darbium | Openchat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (4.4K ratings)](https://appshunter.io/ios/app/openchat-ai-chatbot-copilot/id6448482829/reviews)** |
| Number of ratings | — | **4.4K** |
| Positive reviews | — | 81.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 111 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Mitigate SIA](https://appshunter.io/developer/1200820240) | [JARVISY LTD](https://appshunter.io/developer/1691923506) |

## What reviewers say

### Darbium

[App page](https://appshunter.io/ios/app/darbium/id1536811678)

**Features:** macOS Compatibility

**In-app purchases:** none


### Openchat

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

This AI assistant offers personalized text and voice interactions, helping with tasks like drafting emails, summarizing articles, and brainstorming creative ideas. It supports multilingual communication and includes an AI art generator and interactive games. Users can customize responses and focus on privacy.

**Highlights:** Advanced AI Assistant, Personalized Responses, Smart Task Automation, Multilingual Voice & Text, Pro AI Artist (Premium), Interactive Games

**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


## Frequently asked questions

### Is Darbium free?

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

### Is Openchat free?

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

### Do Darbium or Openchat have ads?

Openchat shows ads; Darbium does not.

### Which is updated more often, Darbium or Openchat?

Darbium ships an update every 4 months, and Openchat every 3 weeks. Most recently, Darbium was updated on September 29, 2026 and Openchat on October 17, 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.*