# IdeaAI vs WhatGDT

The clearest difference is update cadence: IdeaAI at every 5 days against WhatGDT's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. IdeaAI sells 3 in-app purchases, starting at $2.99 per 7 days and WhatGDT sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

IdeaAI ships an update every 5 days, WhatGDT every 2 months. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IdeaAI | WhatGDT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (21 ratings)](https://appshunter.io/ios/app/whatgdt-ai-chat-assistant/id6459108520/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 92.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 132 MB | 27 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Digital Planet](https://appshunter.io/developer/1684662174) | [Vista Mobile Limited](https://appshunter.io/developer/1688449685) |

## What reviewers say

### IdeaAI

[App page](https://appshunter.io/ios/app/ideaai/id6450392000)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $2.99 | per 7 days |
| Month | $7.99 | per month |
| Year | $69.99 | per year |


### WhatGDT

[App page](https://appshunter.io/ios/app/whatgdt-ai-chat-assistant/id6459108520)

Enhance your messaging experience on WhatsApp and Telegram with an AI chatbot powered by GPT-4o. Get smart, fast replies, enjoy voice and art AI features, and communicate in multiple languages effortlessly.

**Highlights:** AI chatbot for WhatsApp and Telegram, Powered by GPT-4o technology, Smart and fast replies, Art AI and Voice AI features, Multi-language support, Seamless integration with messaging apps

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly ChatGPT for WhatsApp | $9.99 | per month |
| WhatGdt Yearly Premium | $24.99 | per year |
| WhatGdt Yearly Pro Premium | $39.99 | per year |
| Lifetime ChatGpt for Whatsapp | $49.99 | one-time |


## Frequently asked questions

### Is IdeaAI free?

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

### Is WhatGDT free?

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

### Do IdeaAI or WhatGDT have ads?

Neither IdeaAI nor WhatGDT shows ads.

### Which is updated more often, IdeaAI or WhatGDT?

IdeaAI ships an update every 5 days, and WhatGDT every 2 months. Most recently, IdeaAI was updated on October 16, 2026 and WhatGDT 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.*