# Message AI - GPT TTS — GPT and Text to Speech

> AI assistant with cross-device sync, keyboard extension, and text-to-image. (iPhone/iPad app by 振旭 柯.)

- Source: https://appshunter.io/ios/app/message-ai-gpt-tts/id6448740961 (this page in markdown: same URL + `.md`)
- Developer: [振旭 柯](https://appshunter.io/developer/1616900371)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 18 written reviews indexed
- Age rating: 17+
- Requires: iOS 16.0 · 11 MB
- Languages: American English, French (France), Japanese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2023-05-07
- Data updated: 2026-08-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/message-ai-gpt-tts/id6448740961/reviews.md

## What is Message AI?

- The best message AI assistant, get answers to questions instantly.
- Create arbitrary number of conversations and all the conversations will be synchronized between all you devices, iPhone, iPad, and macOS, through iCloud.
- Keyboard extension lets you get access to AI in any app, at anytime, super fast.
- Text to image generation model is also integrated.
- Abundant preset prompts for you and you can create your own prompts, all of them are synchronized to all your devices.

Term of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Instant AI answers
- Unlimited synchronized conversations
- Keyboard extension for any app
- Text-to-image generation
- Customizable prompt library
- iCloud synchronization

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| GPT-3.5 | $1.99 | per month |
| Stable Diffusion | $0.99 | per month |
| Text to Speech | $0.99 | per month |


## Recent user reviews (10 of 18)

All indexed reviews: https://appshunter.io/ios/app/message-ai-gpt-tts/id6448740961/reviews.md

### 1/5 — 真的能用吗

*2026-05-30*

付款了用不了 难绷

### 4/5 — 购买错误

*2026-04-24*

买了为什么app内说我没有购买

**Developer response:** 这边已经修复。麻烦试试

### 1/5 — 给了钱还不能用？

*2026-04-23*

订阅了也不能用？

**Developer response:** 订阅完有时会同步状态不及时 可以重启试试

### 1/5 — 一直卡

*2026-03-21*

请求超时

### 4/5 — 求助

*2025-11-29*

没整明白为什么 没聊两句 就变成了代码 或者就跳英文了

### 1/5 — 别买

*2025-10-22*

要生成图片骗我说要购买15的  最早是买8元的，等我再花一次15元 跟我说只能纯文字对话 纯纯诈骗

### 1/5 — 为什么我订阅了，付款成功了，使用不了，说我需要订阅

*2025-08-05*

？

### 4/5 — 突然不好用了

*2024-09-09*

之前还可以用但是现在不能用了，希望可以修一下问题，一直有花钱订阅的

**Developer response:** 我看看。谢谢支持。可能是模型3下架了。我升级一下

### 4/5 — 订阅tts后显示没有访问该模型的权限

*2024-04-15*

购买tts服务后换到tts就会显示这样，设定里tts模型参数点击测试连接也失败，显示response error 401

### 4/5 — 订阅后不能用

*2024-03-29*

你好，我订阅了GPT3.5和Stable Diffusion，为什么Stable Diffusion，在Mac上面用不了，窗口调到Stable Diffusion，键入需求回车之后，窗口不见了

**Developer response:** 你好，我本地试试看调试完回复你看看哈

## Frequently asked questions about Message AI

### Does Message AI have ads?

No, Message AI does not contain advertisements.

### What devices does Message AI support?

Message AI is available on iPhone, iPad, and Mac devices.

### How often is Message AI updated?

The latest version, 1.7.17, was released on June 29, 2023. Updates are frequent, indicating ongoing development.

### What are the subscription options for Message AI?

Message AI offers subscriptions for Text to Speech at $0.99/month, Stable Diffusion at $0.99/month, and GPT-3.5 at $1.99/month.

### What is the age rating for Message AI?

Message AI has an age rating of 17+, suggesting mature content or themes may be present.

### How does Message AI's iCloud synchronization work?

All your conversations and custom prompts are automatically synchronized across your iPhone, iPad, and Mac devices using iCloud, ensuring continuity.

### Can I use Message AI in other apps?

Yes, Message AI includes a keyboard extension that allows you to access its AI capabilities directly within any other application on your device.

### What kind of prompts does Message AI offer?

Message AI provides abundant preset prompts and allows you to create and save your own custom prompts, all of which are synchronized across your devices.

## Version history (last 5 releases)

### 1.7.17 — 2023-06-29

- We are continuously working to improve the product.

Recent Changes:

- Now you can subscribe to Text to Speech model!
- Now you can use Message AI in Shortcuts and Siri
- Added two languages for Spanish and Japanese.
- Now you can use AI in keyboard extension, go to Settings -> Keyboard Extension for guidance.
- Now you can preview the generated images by clicking.
- Now you can drag the generated images to other apps.
- Now you can generated images with StableDiffusion model.
- Now you can subscribe to StableDiffusion Cloud.
- Now you can select multiple conversations and manipulate them in batch.
- Now you can adjust the font size of the conversations.
- Now you can search the conversation histories and search prompts.
- Now you can set the context size of the 
conversations.
- Now you can subscribe to GPT3.5 cloud service.

### 1.7.16 — 2023-06-23

We are continuously improve our products.

Recent Changes:

- Now you can subscribe to Text to Speech model!
- Now you can use Message AI in Shortcuts and Siri
- Added two languages for Spanish and Japanese.
- Now you can use AI in keyboard extension, go to Settings -> Keyboard Extension for guidance.
- Now you can preview the generated images by clicking.
- Now you can drag the generated images to other apps.
- Now you can generated images with StableDiffusion model.
- Now you can subscribe to StableDiffusion Cloud.
- Now you can select multiple conversations and manipulate them in batch.
- Now you can adjust the font size of the conversations.
- Now you can search the conversation histories and search prompts.
- Now you can set the context size of the 
conversations.
- Now you can subscribe to GPT3.5 cloud service.

### 1.7.13 — 2023-06-21

- Now you can subscribe to Text to Speech model!

Recent Changes:

- Now you can use Message AI in Shortcuts and Siri
- Added two languages for Spanish and Japanese.
- Now you can use AI in keyboard extension, go to Settings -> Keyboard Extension for guidance.
- Now you can preview the generated images by clicking.
- Now you can drag the generated images to other apps.
- Now you can generated images with StableDiffusion model.
- Now you can subscribe to StableDiffusion Cloud.
- Now you can select multiple conversations and manipulate them in batch.
- Now you can adjust the font size of the conversations.
- Now you can search the conversation histories and search prompts.
- Now you can set the context size of the 
conversations.
- Now you can subscribe to GPT3.5 cloud service.

### 1.7.11 — 2023-06-12

- Now you can subscribe to Text to Speech model!

Recent Changes:

- Now you can use Message AI in Shortcuts and Siri
- Added two languages for Spanish and Japanese.
- Now you can use AI in keyboard extension, go to Settings -> Keyboard Extension for guidance.
- Now you can preview the generated images by clicking.
- Now you can drag the generated images to other apps.
- Now you can generated images with StableDiffusion model.
- Now you can subscribe to StableDiffusion Cloud.
- Now you can select multiple conversations and manipulate them in batch.
- Now you can adjust the font size of the conversations.
- Now you can search the conversation histories and search prompts.
- Now you can set the context size of the 
conversations.
- Now you can subscribe to GPT3.5 cloud service.

### 1.7.10 — 2023-06-05

- Now you can use Message AI in Shortcuts and Siri
- Added two languages for Spanish and Japanese.

Recent Changes:

- Now you can use AI in keyboard extension, go to Settings -> Keyboard Extension for guidance.
- Now you can preview the generated images by clicking.
- Now you can drag the generated images to other apps.
- Now you can generated images with StableDiffusion model.
- Now you can subscribe to StableDiffusion Cloud.
- Now you can select multiple conversations and manipulate them in batch.
- Now you can adjust the font size of the conversations.
- Now you can search the conversation histories and search prompts.
- Now you can set the context size of the 
conversations.
- Now you can subscribe to GPT3.5 cloud service.

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## More apps by 振旭 柯

- [Kube Lite](https://appshunter.io/ios/app/kube-lite/id6759427491)

All apps by 振旭 柯: https://appshunter.io/developer/1616900371

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*