# i上商 vs 知到.

The clearest difference is in-app purchases: i上商 at none against 知到.'s 11. i上商 also leads on iOS requirement (12.0 vs 14.0). 知到.'s advantage is update cadence (every 3 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. 知到. sells 11 in-app purchases, starting at $1.99 per month. i上商 asks for nothing beyond the download.

i上商 ships an update every 7 months, 知到. every 3 weeks. The most recent releases landed on September 20, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | i上商 | 知到. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.2 (322 ratings)](https://appshunter.io/ios/app/id1255358463/reviews)** |
| Number of ratings | — | **322** |
| Positive reviews | — | 19.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 246 MB | 393 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海商学院](https://appshunter.io/developer/1095997521) | [上海卓越睿新数码科技有限公司](https://appshunter.io/developer/702650874) |

## What reviewers say

### i上商

[App page](https://appshunter.io/ios/app/i/id689716111)

**Features:** macOS Compatibility

**In-app purchases:** none


### 知到.

[App page](https://appshunter.io/ios/app/id1255358463)

Access a vast library of high-quality courses from over 2,000 universities worldwide. This platform aims to share educational resources and help users improve themselves with daily lessons from experts.

**Highlights:** Extensive course library, University-level content, Expert instructors, Daily learning sessions, Personal development focus

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 知到VIP会员 | $1.99 | per month |
| 6课程商品 | $0.99 | one-time |
| 知到VIP会员(新特惠价1) | $0.99 | one-time |
| 18课程商品 | $2.99 | one-time |
| 30课程商品 | $3.99 | one-time |
| 50课程商品 | $6.99 | one-time |
| 68课程商品 | $9.99 | one-time |
| 智慧树VIP会员(年卡学生价) | $24.99 | one-time |
| 198课程商品 | $29.99 | one-time |
| 知到VIP会员 | $29.99 | one-time |
| 588课程商品 | $79.99 | one-time |

**What reviewers like**

- 👍 Provides access to learning resources
- 👍 Offers a platform for academic exchange
- 👍 Free to download and access content
- 👍 Useful for supplementary learning
- 👍 Good for utilizing spare time for learning

**What reviewers complain about**

- 👎 Forced updates
- 👎 Poor server performance
- 👎 Frequent crashes and freezes
- 👎 Bad user interface and experience
- 👎 Inconvenient login and verification process

**Reported bugs**

- App crashes frequently
- App freezes or becomes unresponsive
- Video playback issues (no sound, auto-pause, content not counting)
- Login and verification process is problematic
- Exams end prematurely

**Requested features**

- Develop an iPad/tablet version
- Improve server stability and performance
- Offer a delayed update option
- Allow users to choose whether to rate courses
- Implement a proper rating system for courses


## Frequently asked questions

### Is i上商 free?

i上商 is free to download, with no in-app purchases.

### Is 知到. free?

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

### Do i上商 or 知到. have ads?

Neither i上商 nor 知到. shows ads.

### Which is updated more often, i上商 or 知到.?

i上商 ships an update every 7 months, and 知到. every 3 weeks. Most recently, i上商 was updated on September 20, 2026 and 知到. on September 28, 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.*