# StepFun vs 锁了么

The clearest difference is review sentiment: 锁了么 at 100% against StepFun's 49%. StepFun's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. StepFun sells 10 in-app purchases, starting at $3.99 per month and 锁了么 sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

StepFun ships an update every 9 days, 锁了么 every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | StepFun | 锁了么 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (8 ratings)](https://appshunter.io/ios/app/stepfun-stepfun-ai-assistant/id6502382318/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 48.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 114 MB | 22 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [StepFun Intelligence Co., Ltd.](https://appshunter.io/developer/1745274060) | [筱曌 冉](https://appshunter.io/developer/1877000575) |

## What reviewers say

### StepFun

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

This AI assistant helps you think and do, offering smart Q&A, document understanding, and task execution. It features real-time voice interactions and can execute tasks across devices, making it a powerful tool for learning and productivity.

**Highlights:** Smart Q&A, Document understanding, Task execution, Real-time voice interactions, Cross-device task execution, Agent capabilities

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

**In-app purchases (10)**

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


### 锁了么

[App page](https://appshunter.io/ios/app/id6764530293)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Locked Monthly Membership | $0.99 | per month |
| Locked Quarterly Membership | $1.99 | per 3 months |
| Locked Yearly Membership | $2.99 | per year |
| 锁了么月会员 | $0.99 | one-time |
| 锁了么季会员 | $1.99 | one-time |
| 锁了么年会员 | $4.99 | one-time |


## Frequently asked questions

### Is StepFun free?

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

### Is 锁了么 free?

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

### Do StepFun or 锁了么 have ads?

Neither StepFun nor 锁了么 shows ads.

### Which is updated more often, StepFun or 锁了么?

StepFun ships an update every 9 days, and 锁了么 every 4 days. Most recently, StepFun was updated on November 4, 2026 and 锁了么 on October 31, 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.*