# StepFun vs 心流AI助手

The clearest difference is rating: 心流AI助手 at 5.0 against StepFun's 4.3. 心流AI助手 also leads on in-app purchases (none vs 13). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. StepFun sells 13 in-app purchases, starting at $3.99 per month. 心流AI助手 asks for nothing beyond the download.

心流AI助手 holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 8 and 6 respectively.

StepFun ships an update every 9 days, 心流AI助手 every 2 weeks. The most recent releases landed on September 22, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | StepFun | 心流AI助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (8 ratings)](https://appshunter.io/ios/app/stepfun-stepfun-ai-assistant/id6502382318/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/ai/id6639605975/reviews)** |
| Number of ratings | **8** | 6 |
| Positive reviews | 51.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 114 MB | 165 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [StepFun Intelligence Co., Ltd.](https://appshunter.io/developer/1745274060) | [Hangzhou Xingchen Qianxun Technology Co., Ltd](https://appshunter.io/developer/1597679171) |

## What reviewers say

### StepFun

[App page](https://appshunter.io/ios/app/stepfun-stepfun-ai-assistant/id6502382318)

This AI assistant helps you think and act more efficiently. It offers smart Q&A, document understanding, and task execution, powered by advanced agent capabilities for faster learning and increased productivity. Enjoy voice-first interactions and automated task management.

**Highlights:** Smart Q&A, Document understanding, Task execution, Voice-first interactions, Agent capabilities, Real-time chat

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 入门月卡 | $3.99 | per month |
| 入门 | $5.99 | per month |
| 阶跃AI标准套餐 | $7.99 | per month |
| 阶跃AI高级套餐 | $14.99 | per month |
| 进阶 | $29.99 | per month |
| 阶跃AI专业套餐 | $49.99 | per month |
| 专业 | $69.99 | per month |
| 限时一周卡 | $0.99 | one-time |
| 入门 | $5.99 | one-time |
| 基础包 | $5.99 | one-time |
| 高阶包 | $14.99 | one-time |
| 进阶 | $29.99 | one-time |
| 专业 | $69.99 | one-time |


### 心流AI助手

[App page](https://appshunter.io/ios/app/ai/id6639605975)

This AI assistant enhances productivity for research, academics, and professionals by offering intelligent search, document analysis, and content creation support. It helps users quickly find information, summarize documents, and generate creative content for various tasks.

**Highlights:** Intelligent real-time web search, Document and webpage parsing, Content summarization and translation, Assisted content creation, Information source citation

**In-app purchases:** none


## Frequently asked questions

### Is StepFun free?

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

### Is 心流AI助手 free?

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

### Which has better reviews, StepFun or 心流AI助手?

心流AI助手 is rated higher. StepFun averages 4.3 out of 5 from 8 ratings, while 心流AI助手 averages 5.0 from 6 ratings.

### Do StepFun or 心流AI助手 have ads?

Neither StepFun nor 心流AI助手 shows ads.

### Which is updated more often, StepFun or 心流AI助手?

StepFun ships an update every 9 days, and 心流AI助手 every 2 weeks. Most recently, StepFun was updated on September 22, 2026 and 心流AI助手 on September 12, 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.*