# ChatGro vs Odan OCM

The clearest difference is in-app purchases: Odan OCM at none against ChatGro's 4. Odan OCM also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). ChatGro's advantage is ratings volume (7 vs 1) and iOS requirement (13.0 vs 15). On price, rating and device support there is nothing between them.

Both are free to download. ChatGro sells 4 in-app purchases, starting at $2.99 per 7 days. Odan OCM asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ChatGro against 5.0 for Odan OCM. That said, the two scores are not equally well evidenced: ChatGro has 7 ratings behind it against 1, so its average is the more settled of the two.

ChatGro ships an update monthly, Odan OCM every 2 weeks. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ChatGro | Odan OCM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/chatgro-ai-assistant/id1670644664/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/odan-ocm/id6501991079/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 38 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) | [Odan Infotech LLP](https://appshunter.io/developer/1694013231) |

## What reviewers say

### ChatGro

[App page](https://appshunter.io/ios/app/chatgro-ai-assistant/id1670644664)

Engage in intelligent conversations and get assistance with a wide range of tasks. This AI assistant supports multiple advanced models, voice input, and streaming outputs for a seamless experience. Explore role-playing with over 60 characters and get help with writing, planning, and more.

**Highlights:** Advanced AI models (4o, 4.0, etc.), Voice input and streaming outputs, Context association and segmentation, Role-playing with 60+ characters, Assistance with writing and planning, Language translation and programming guidance

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $2.99 | per 7 days |
| Monthly membership | $9.99 | per month |
| Annual membership | $59.99 | per year |
| Annual membership | $69.99 | per year |


### Odan OCM

[App page](https://appshunter.io/ios/app/odan-ocm/id6501991079)

This construction management software streamlines projects by managing resources, finances, and team communication. It offers tools for scheduling, budget tracking, and risk minimization to enhance efficiency and profitability for construction businesses.

**Highlights:** Project scheduling and tracking, Budget and financial management, Resource allocation, Team communication enhancement, Risk minimization, Regulatory compliance tools

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

**In-app purchases:** none


## Frequently asked questions

### Is ChatGro free?

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

### Is Odan OCM free?

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

### Which has better reviews, ChatGro or Odan OCM?

ChatGro and Odan OCM are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do ChatGro or Odan OCM have ads?

ChatGro shows ads; Odan OCM does not.

### Which is updated more often, ChatGro or Odan OCM?

ChatGro ships an update monthly, and Odan OCM every 2 weeks. Most recently, ChatGro was updated on October 10, 2026 and Odan OCM 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.*