# Epson iProjection vs Smart K

The clearest difference is rating: Epson iProjection at 4.3 against Smart K's 1.7. Epson iProjection also leads on ratings volume (3.6K vs 19) and review sentiment (20% vs 6%). Smart K's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Epson iProjection holds the better App Store score, 4.3 against 1.7. That said, the two scores are not equally well evidenced: Epson iProjection has 3.6K ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 20% of Epson iProjection's written reviews are positive against 6% of Smart K's.

Epson iProjection ships an update every 6 months, Smart K every 3 weeks. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Epson iProjection | Smart K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3.6K ratings)](https://appshunter.io/ios/app/epson-iprojection/id488048021/reviews)** | [1.7 (19 ratings)](https://appshunter.io/ios/app/smart-k/id1113940650/reviews) |
| Number of ratings | **3.6K** | 19 |
| Positive reviews | **19.8% of reviews** | 6.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 27 MB | 253 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seiko Epson Corporation](https://appshunter.io/developer/326876195) | [Hangzhou Konke information technology LTD.](https://appshunter.io/developer/705669919) |

## What reviewers say

### Epson iProjection

[App page](https://appshunter.io/ios/app/epson-iprojection/id488048021)

Wirelessly project your iPhone, iPad, or iPod touch screen, documents, and photos to a compatible Epson projector. Easily connect by scanning a QR code, and even annotate projected images. Supports up to 50 devices and simultaneous screen displays.

**Highlights:** Mirror device screen and audio, Project photos and documents, Real-time camera projection, QR code projector connection, Multi-device connectivity, Image annotation tool, Projector remote control

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Wireless connectivity
- 💡 Helpful for presentations
- 🔒 Secure connection

**What reviewers complain about**

- 🐛 Frequent disconnections
- 🐛 Compatibility issues
- 🐛 Buggy app
- 🚫 Limited functionality
- 🚫 No video streaming

**Reported bugs**

- App crashes frequently
- Fails to detect projector
- Issues with PowerPoint/Keynote presentations
- Formatting problems with shared content

**Requested features**

- Add screen mirroring capability
- Support for more file formats
- Improve video streaming
- Integrate with cloud storage services
- Enhance presentation features


### Smart K

[App page](https://appshunter.io/ios/app/smart-k/id1113940650)

Manage your home's smart devices with this intelligent hardware platform. Control devices remotely, automate interactions, and share access with family. Integrates with voice assistants for seamless control.

**Highlights:** Add new devices easily, Real-time remote control, Hardware device interconnection, Share devices with others, Works with Alexa and Google Assistant

**Features:** Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is Epson iProjection free?

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

### Is Smart K free?

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

### Which has better reviews, Epson iProjection or Smart K?

Epson iProjection is rated higher. Epson iProjection averages 4.3 out of 5 from 3.6K ratings, while Smart K averages 1.7 from 19 ratings.

### Do Epson iProjection or Smart K have ads?

Neither Epson iProjection nor Smart K shows ads.

### Which is updated more often, Epson iProjection or Smart K?

Epson iProjection ships an update every 6 months, and Smart K every 3 weeks. Most recently, Epson iProjection was updated on October 31, 2026 and Smart K on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*