# NextChat AI — Light and Fast AI Assistant

> Open-source AI chat platform with user-provided API keys for controlled, pay-as-you-go access. (iPhone/iPad app by GPTsMotion Tech LLC.)

- Source: https://appshunter.io/ios/app/nextchat-ai/id6743085599 (this page in markdown: same URL + `.md`)
- Developer: [GPTsMotion Tech LLC](https://appshunter.io/developer/1769754103)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 2.90/5 from 8 App Store ratings · 10 written reviews indexed
- Age rating: 17+
- Requires: iOS 17.3 · 10 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-04-18
- Data updated: 2026-06-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/nextchat-ai/id6743085599/reviews.md

## What is NextChat AI?

NextChat is the transparent open-source AI chat platform where you bring your own API keys, maintain complete control, and only pay for what you use by your own ai api key。

## Key features

- Open-source platform
- User-provided API keys
- Transparent AI chat
- Pay-per-use model
- Complete user control

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 轻度使用套餐 | $25.99 | one-time |
| 家庭套餐 | $199.99 | one-time |


## Recent user reviews (10 of 10)

All indexed reviews: https://appshunter.io/ios/app/nextchat-ai/id6743085599/reviews.md

### 1/5 — 垃圾玩意

*2026-03-25*

故意让添加供应的模型失败，太可恶了，

### 1/5 — 自定义API用不了

*2025-11-14*

curl脱裤子放p

### 3/5 — 无法使用

*2025-07-03*

添加供应商一直报错
，一直被提示“无法识别有效API地址或密钥”。添加GPT和Gemini都失败

### 1/5 — 自定义api用不了

*2025-05-30*

加载模型失败，未能读取数据，因为数据缺失

### 1/5 — 更新后就用不了

*2025-05-27*

加载模型失败：未能读取数据，因为数据缺失。
2025-05-27 自定义 API 用不了就算了，我充了 0.99 美元，才问了一个问题就提示没钱了，垃圾！大家别用！坑人钱的！

### 3/5 — 如何添加供应商

*2025-05-25*

curl能否给个示例

### 1/5 — 更新后就用不了

*2025-05-13*

加载模型失败：未能读取数据，因为数据缺失。

### 3/5 — 不知道怎么添加API

*2025-04-26*

API和KEY要求复制，但是粘贴后一直提示无法识别，也不知道应该用什么分隔符

**Developer response:** 感谢反馈，我们回来优化一下文案。

第一版本有些粗糙，设计初衷是粘贴curl 请求链接～

curl https://api.openai.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-xxx" \
  -d '{
    "model": "gpt-4.0-mini",
    "stream": false,
    "messages": [
      {"role": "system", "content": "You are a helpful assistant."},
      {"role": "user", "content": "Hello!"} 
    ]
  }'

### 3/5 — 添加供应商方式奇怪 报错返回不详细

*2025-04-23*

添加供应商无法正确提取链接和token，报错也没有详细信息，只能自己猜

**Developer response:** 感谢反馈，第一版本有些粗糙，设计初衷是粘贴curl 请求链接～

curl https://api.openai.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-xxx" \
  -d '{
    "model": "gpt-4.0-mini",
    "stream": false,
    "messages": [
      {"role": "system", "content": "You are a helpful assistant."},
      {"role": "user", "content": "Hello!"} 
    ]
  }'

### 5/5 — 舒服ʕ•ᴥ•ʔ代码公开透明

*2025-04-20*

github 有他们开源地址

## Frequently asked questions about NextChat AI

### What is NextChat AI?

NextChat AI is a transparent, open-source AI chat platform. It allows users to bring their own API keys, giving them complete control over their AI interactions and only paying for their direct API usage.

### How does NextChat AI handle costs?

The app operates on a pay-as-you-go model based on your own API key usage. You are responsible for the costs associated with your API provider, not the app itself.

### Is NextChat AI free to use?

Yes, the NextChat AI application is free to download and use. Any costs incurred are directly related to your personal API key usage with your chosen AI provider.

### What devices does NextChat AI support?

Currently, NextChat AI is supported on iPhone devices. It was released on April 18, 2025, with the latest version being 0.0.7 updated on May 19, 2025.

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

NextChat AI has an age rating of 17+. This is based on its release date and typical content considerations for AI platforms.

### How often is NextChat AI updated?

The app was last updated on May 19, 2025, indicating active development. Users can expect ongoing improvements and bug fixes based on the release history.

### Does NextChat AI have ads?

No, NextChat AI does not contain advertisements. As an open-source platform focused on user control, it prioritizes an ad-free experience.

### What do users think of NextChat AI?

Based on the available data, NextChat AI has a rating of 2.9 stars from 8 ratings. This suggests a mixed user sentiment, with potential areas for improvement.

## Version history (last 3 releases)

### 0.0.7 — 2025-05-19

Added an online search toggle
Fixed some bugs

### 0.0.6 — 2025-05-06

NEW FEATURES:
• Added in-app payment system with two subscription plans
• Enhanced user interface for a more intuitive experience

### 0.0.4 — 2025-04-18

No release notes.

## Related topics

[gptsmotion tech llc](https://appshunter.io/ios/topics/gptsmotion-tech-llc) · [NextChat](https://appshunter.io/ios/topics/nextchat) · [nextchat ai](https://appshunter.io/ios/topics/nextchat-ai)

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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 2026-06-05.*