# Dufour EC vs ChatBot AI Essay Writer

The clearest difference is in-app purchases: Dufour EC at none against ChatBot AI Essay Writer's 9. ChatBot AI Essay Writer's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ChatBot AI Essay Writer sells 9 in-app purchases, starting at $9.99 per 7 days. Dufour EC asks for nothing beyond the download.

Dufour EC ships an update every 6 weeks, ChatBot AI Essay Writer every 4 days. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Dufour EC | ChatBot AI Essay Writer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (425 ratings)](https://appshunter.io/ios/app/chatbot-ai-essay-writer/id1661793270/reviews)** |
| Number of ratings | — | **425** |
| Positive reviews | — | 64.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 117 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Welyb](https://appshunter.io/developer/1369703085) | [paragonGamez, LLC](https://appshunter.io/developer/1678198141) |

## What reviewers say

### Dufour EC

[App page](https://appshunter.io/ios/app/dufour-ec/id1553302893)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChatBot AI Essay Writer

[App page](https://appshunter.io/ios/app/chatbot-ai-essay-writer/id1661793270)

This AI-powered writing assistant helps you create better content faster. It offers features like grammar correction, summarization, translation, code generation, and sentiment analysis. Automate tasks and improve your writing skills with this versatile tool.

**Highlights:** Grammar correction, Text summarization, Code generation (OpenAI, Stripe APIs), Language translation, Sentiment analysis, Essay outline generation, Ad copy generation

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Monthly | $14.99 | per month |
| 3 Days Free Trial | $17.99 | per month |
| 3 Days Free Trial | $19.99 | per 7 days |
| Six months | $39.99 | per 6 months |
| Best Offer | $49.99 | per year |
| Best Offer | $59.99 | per year |
| 7 Days Free Trial | $59.99 | per year |
| Lifetime | $99.99 | one-time |

**What reviewers like**

- 🚀 Quick responses
- 💡 Innovative language model
- 👍 User-friendly interface
- 🚀 Convenient and reliable
- 🚀 Provides accurate information

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🔒 Lack of support and communication
- 💰 Expensive subscription
- 🐛 Unreliable and non-responsive

**Reported bugs**

- App not working despite full payment
- Subscription issues and inability to cancel
- Constant failure to provide responses

**Requested features**

- Free version option
- Improved customer support
- Ability to cancel subscription
- Compatibility with older devices


## Frequently asked questions

### Is Dufour EC free?

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

### Is ChatBot AI Essay Writer free?

ChatBot AI Essay Writer is free to download, with in-app purchases available.

### Do Dufour EC or ChatBot AI Essay Writer have ads?

Neither Dufour EC nor ChatBot AI Essay Writer shows ads.

### Which is updated more often, Dufour EC or ChatBot AI Essay Writer?

Dufour EC ships an update every 6 weeks, and ChatBot AI Essay Writer every 4 days. Most recently, Dufour EC was updated on November 7, 2026 and ChatBot AI Essay Writer on November 12, 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.*