# U vs steadi

The clearest difference is in-app purchases: U at none against steadi's 7. U also leads on ads (none vs shown) and iOS requirement (12.1 vs 17.0). steadi's advantage is update cadence (every 10 days vs every 6 months). On price and device support there is nothing between them.

Both are free to download. steadi sells 7 in-app purchases, starting at $1.49 per month. U asks for nothing beyond the download.

U ships an update every 6 months, steadi every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | U | steadi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 8 MB | 511 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIN HO KIM](https://appshunter.io/developer/582570599) | [JeongUn Lee](https://appshunter.io/developer/1857998480) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-class-cast/id1491457129)

This app allows educators to wirelessly mirror their device's screen to an electronic whiteboard or projector. Students can then view the content displayed by the teacher on their own devices.

**Highlights:** Screen mirroring to electronic whiteboards, Content sharing with students, Wireless connectivity, Device compatibility

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

**In-app purchases:** none


### steadi

[App page](https://appshunter.io/ios/app/steadi-pdf-note-with-ai/id6756019381)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| steadi lite plan | $1.49 | per month |
| 클라우드 | $3.99 | per month |
| 프로 | $7.99 | per month |
| Premium 월간 | $14.99 | per month |
| AI 라이트 패키지 | $3.99 | one-time |
| AI 1000회 | $9.99 | one-time |
| AI 2000회 | $19.99 | one-time |


## Frequently asked questions

### Is U free?

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

### Is steadi free?

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

### Do U or steadi have ads?

steadi shows ads; U does not.

### Which is updated more often, U or steadi?

U ships an update every 6 months, and steadi every 10 days. Most recently, U was updated on November 3, 2026 and steadi on October 30, 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.*