# Grok AI vs Invoice CoC

The clearest difference is in-app purchases: Invoice CoC at none against Grok AI's 12. Invoice CoC also leads on iOS requirement (15.0 vs 17). Grok AI's advantage is update cadence (every 2 days vs every 5 weeks) and ratings volume (1.5M vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Grok AI sells 11 in-app purchases, starting at $10.00 per month. Invoice CoC asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Grok AI against 5.0 for Invoice CoC. That said, the two scores are not equally well evidenced: Grok AI has 1.5M ratings behind it against 1, so its average is the more settled of the two.

Grok AI ships an update every 2 days, Invoice CoC every 5 weeks. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Grok AI | Invoice CoC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.5M ratings)](https://appshunter.io/ios/app/grok-ai/id6670324846/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/invoice-coc/id6759819822/reviews)** |
| Number of ratings | **1.5M** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#4** | — |
| Size | 178 MB | 46 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +17 | 4+ |
| Developer | [X Corp.](https://appshunter.io/developer/296415947) | [Fridge24, LLC](https://appshunter.io/developer/1655062069) |

## What reviewers say

### Grok AI

[App page](https://appshunter.io/ios/app/grok-ai/id6670324846)

**Currently charting:** #4 Top Grossing · Productivity, #7 Top Free · Productivity, #25 Top Grossing, #39 Top Free (US App Store)

This AI assistant provides fast, truthful answers and can perform deep web research. It generates striking images and videos from text or voice prompts, and can analyze uploaded content. Engage in conversations with personalized AI companions and access real-time information from X.

**Highlights:** AI-powered Q&A and web research, AI image and video generation, Voice mode with live camera, Animated AI companions, Real-time X (Twitter) data access, Image editing capabilities

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SuperGrok Lite | $10.00 | per month |
| SuperGrok | $30.00 | per month |
| SuperGrok Plus | $100.00 | per month |
| SuperGrok Lite | $100.00 | per year |
| SuperGrok Heavy | $300.00 | per month |
| SuperGrok | $300.00 | per year |
| SuperGrok Plus | $1000.00 | per year |
| Extra Usage Credits 5 USD | $5.00 | one-time |
| Extra Usage Credits 20 USD | $20.00 | one-time |
| Extra Usage Credits 50 USD | $50.00 | one-time |
| Extra Usage Credits 100 USD | $100.00 | one-time |

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Unbiased and ethical
- 👍 Clean and intuitive UI
- 🤖 Powerful AI capabilities
- 🌐 Real-time data integration

**What reviewers complain about**

- 🐛 Occasional errors in responses
- 🔍 Needs more robust search/history features
- 🔌 Requires X account for full functionality

**Reported bugs**

- Login issues with X account integration
- Inaccurate chess move suggestions

**Requested features**

- Integrate chat history across X and Grok apps
- Add user profile customization for personalized image generation
- Expand iOS integration (widgets, Apple Watch support)
- Introduce custom model/prompt creation like ChatGPT


### Invoice CoC

[App page](https://appshunter.io/ios/app/invoice-coc/id6759819822)

Quickly generate and send professional invoices directly from your mobile device. Track outstanding payments and enhance your brand by adding a custom logo. Download your invoices as documents for easy record-keeping.

**Highlights:** Create invoices in seconds, Send invoices instantly, Track outstanding payments, Add custom logo, Download invoice documents

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

**In-app purchases:** none


## Frequently asked questions

### Is Grok AI free?

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

### Is Invoice CoC free?

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

### Which has better reviews, Grok AI or Invoice CoC?

Invoice CoC is rated higher. Grok AI averages 4.9 out of 5 from 1.5M ratings, while Invoice CoC averages 5.0 from 1 ratings.

### Do Grok AI or Invoice CoC have ads?

Neither Grok AI nor Invoice CoC shows ads.

### Which is updated more often, Grok AI or Invoice CoC?

Grok AI ships an update every 2 days, and Invoice CoC every 5 weeks. Most recently, Grok AI was updated on October 23, 2026 and Invoice CoC on October 10, 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.*