# StepFun vs 灵境AI

The clearest difference is review sentiment: StepFun at 50% against 灵境AI's 13%. StepFun also leads on rating (4.3 vs 4.0). 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 and 灵境AI sells 24 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

StepFun holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 8 and 8 respectively. Written reviews point the same way: 50% of StepFun's written reviews are positive against 13% of 灵境AI's.

StepFun ships an update every 9 days, 灵境AI weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | StepFun | 灵境AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (8 ratings)](https://appshunter.io/ios/app/stepfun-stepfun-ai-assistant/id6502382318/reviews)** | [4.0 (8 ratings)](https://appshunter.io/ios/app/ai-aiai/id6740853877/reviews) |
| Number of ratings | 8 | 8 |
| Positive reviews | **50.0% of reviews** | 12.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 114 MB | 156 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [StepFun Intelligence Co., Ltd.](https://appshunter.io/developer/1745274060) | [Beijing Tiger Creative Technology Co., Ltd](https://appshunter.io/developer/1624232180) |

## 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 |


### 灵境AI

[App page](https://appshunter.io/ios/app/ai-aiai/id6740853877)

This app uses AI to help you create personalized digital humans, generate videos from images, virtually try on clothes, and design unique artwork. It offers a suite of creative tools to bring your ideas to life.

**Highlights:** Personalized digital human creation, Image to video generation, Virtual clothing try-on, AI art generation from text, Pre-designed templates, Customizable content

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

**In-app purchases (24)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包周会员38 | $4.99 | per 7 days |
| 周度会员 | $9.99 | per 7 days |
| 周度会员 | $9.99 | per 7 days |
| 周度vip会员 | $9.99 | per 7 days |
| 包周会员 | $9.99 | per 7 days |
| 周度svip会员 | $14.99 | per 7 days |
| 季度vip会员 | $19.99 | per 3 months |
| 年度会员 | $29.99 | per year |
| 季度svip会员 | $29.99 | per 3 months |
| 年度vip会员 | $29.99 | per year |
| 买1年送1年 | $29.99 | per year |
| 年度会员 | $39.99 | per year |
| 年度svip会员 | $39.99 | per year |
| 优惠年度svip会员 | $39.99 | per year |
| 100积分 | $0.99 | one-time |
| 500积分 | $6.99 | one-time |
| 年度vip升级年度svip | $11.99 | one-time |
| 季度会员升级永久会员 | $14.99 | one-time |
| 1000积分 | $14.99 | one-time |
| 2200积分 | $29.99 | one-time |
| 永久会员 | $39.99 | one-time |
| 优惠永久会员 | $39.99 | one-time |
| 3600积分 | $39.99 | one-time |
| 6500积分 | $69.99 | one-time |


## Frequently asked questions

### Is StepFun free?

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

### Is 灵境AI free?

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

### Which has better reviews, StepFun or 灵境AI?

StepFun is rated higher. StepFun averages 4.3 out of 5 from 8 ratings, while 灵境AI averages 4.0 from 8 ratings.

### Do StepFun or 灵境AI have ads?

Neither StepFun nor 灵境AI shows ads.

### Which is updated more often, StepFun or 灵境AI?

StepFun ships an update every 9 days, and 灵境AI weekly. Most recently, StepFun was updated on October 24, 2026 and 灵境AI 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.*