# Didier AI vs WriteGPT

The clearest difference is in-app purchases: Didier AI at none against WriteGPT's 4. Didier AI also leads on ads (none vs shown) and rating (5.0 vs 4.5). WriteGPT's advantage is ratings volume (19 vs 1). On price and device support there is nothing between them.

Both are free to download. WriteGPT sells 4 in-app purchases, starting at $5.99 per month. Didier AI asks for nothing beyond the download.

Didier AI holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: WriteGPT has 19 ratings behind it against 1, so its average is the more settled of the two.

Didier AI ships an update fortnightly, WriteGPT every 2 months. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Didier AI | WriteGPT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/didier-ai-ask-anything/id1670271062/reviews)** | [4.5 (19 ratings)](https://appshunter.io/ios/app/writegpt/id6447081746/reviews) |
| Number of ratings | 1 | **19** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 33 MB | 40 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Didier Tran](https://appshunter.io/developer/1572711478) | [ZQ Labs, Inc.](https://appshunter.io/developer/1619568628) |

## What reviewers say

### Didier AI

[App page](https://appshunter.io/ios/app/didier-ai-ask-anything/id1670271062)

Engage in advanced AI conversations, generate images from text, and utilize voice commands. This AI companion learns your preferences for a personalized experience and is constantly updated with the latest AI advancements.

**Highlights:** Advanced AI chat, Image generation from text, Voice command integration, Personalized conversational experience, Continuous AI learning and updates, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### WriteGPT

[App page](https://appshunter.io/ios/app/writegpt/id6447081746)

This AI writing assistant leverages advanced models like GPT-5 and Gemini Pro to help users create, edit, and polish various content types in seconds. It offers over 50 premium tools for writing, rewriting, proofreading, and translation, enhancing productivity and content quality.

**Highlights:** 50+ premium AI writing tools, One-click content creation for over 100 types, Supports GPT-5, Gemini Pro, Claude 4.5, Grok, Richer content inputs (voice, files, images), Inline AI editing, Grammar and spelling checker, Content summarization and explanation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WriteGPT AI Plus Month | $5.99 | per month |
| WriteGPT AI Premium Month | $14.99 | per month |
| WriteGPT AI Plus Year | $43.49 | per year |
| WriteGPT AI Premium Year | $89.99 | per year |


## Frequently asked questions

### Is Didier AI free?

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

### Is WriteGPT free?

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

### Which has better reviews, Didier AI or WriteGPT?

Didier AI is rated higher. Didier AI averages 5.0 out of 5 from 1 ratings, while WriteGPT averages 4.5 from 19 ratings.

### Do Didier AI or WriteGPT have ads?

WriteGPT shows ads; Didier AI does not.

### Which is updated more often, Didier AI or WriteGPT?

Didier AI ships an update fortnightly, and WriteGPT every 2 months. Most recently, Didier AI was updated on October 8, 2026 and WriteGPT on October 24, 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.*