# AI Writing vs Project Engineer

The clearest difference is ads: Project Engineer at none against AI Writing's shown. Project Engineer also leads on update cadence (weekly vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. AI Writing sells 10 in-app purchases, starting at $6.99 per 7 days and Project Engineer sells 4 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

AI Writing ships an update fortnightly, Project Engineer weekly. The most recent releases landed on November 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AI Writing | Project Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (570 ratings)](https://appshunter.io/ios/app/ai-writing-writbot/id1671151816/reviews)** | — |
| Number of ratings | **570** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 75 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Subhan Dastgeer](https://appshunter.io/developer/1722914219) | [Shaw Abrey](https://appshunter.io/developer/1896164755) |

## What reviewers say

### AI Writing

[App page](https://appshunter.io/ios/app/ai-writing-writbot/id1671151816)

Generate high-quality content for essays, emails, and more in seconds. This AI-powered tool offers over 70 templates and supports 180+ languages to help you write faster and with confidence. Overcome writer's block and refine your text with an intuitive interface.

**Highlights:** AI content generation, Email and essay writing, Marketing copy creation, Text rewriting and summarization, Idea brainstorming, AI chat assistant, 70+ writing templates, 180+ language support

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $6.99 | per 7 days |
| Weekly Pro | $6.99 | per 7 days |
| WritBot Premium Access | $7.99 | per month |
| WritBot Premium Access | $9.99 | per month |
| WritBot Premium Access | $11.99 | per month |
| Yearly Plan (Discounted) | $29.99 | per year |
| WritBot Premium | $39.99 | per year |
| WritBot Yearly Access | $39.99 | per year |
| WritBot Premium Access | $40.00 | per year |
| WritBot Premium Access | $59.99 | per year |


### Project Engineer

[App page](https://appshunter.io/ios/app/project-engineer/id6766019250)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $5.99 | per month |
| Premium | $12.99 | per month |
| Pro (Annual) | $49.99 | per year |
| Premium (Annual) | $99.99 | per year |


## Frequently asked questions

### Is AI Writing free?

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

### Is Project Engineer free?

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

### Do AI Writing or Project Engineer have ads?

AI Writing shows ads; Project Engineer does not.

### Which is updated more often, AI Writing or Project Engineer?

AI Writing ships an update fortnightly, and Project Engineer weekly. Most recently, AI Writing was updated on November 7, 2026 and Project Engineer on October 28, 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.*