# C vs Epson Setting Assistant

The clearest difference is rating: Epson Setting Assistant at 4.4 against C's 3.0. Epson Setting Assistant also leads on ratings volume (467 vs 2). C's advantage is iOS requirement (8.0 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

Epson Setting Assistant holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Epson Setting Assistant has 467 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 27% of C's written reviews are positive against 23% of Epson Setting Assistant's, so the app with the better star average is not the one people write more warmly about.

C ships an update every 8 months, Epson Setting Assistant every 4 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | C | Epson Setting Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/c-assist/id906611059/reviews) | **[4.4 (467 ratings)](https://appshunter.io/ios/app/epson-setting-assistant/id1606269288/reviews)** |
| Number of ratings | 2 | **467** |
| Positive reviews | **27.3% of reviews** | 23.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 26 MB | 100 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CASIO COMPUTER CO., LTD.](https://appshunter.io/developer/456569836) | [Seiko Epson Corporation](https://appshunter.io/developer/326876195) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-assist/id906611059)

Connect your iOS device to a CASIO projector to wirelessly display documents, images, live camera feeds, and web pages. It also allows for remote control of a connected computer for enhanced presentations.

**Highlights:** Wireless projection of documents and images, Live camera feed projection, Web page projection, Remote computer control, Supports Word, Excel, PowerPoint, PDF, JPEG, PNG, BMP

**Features:** Vision Pro support

**In-app purchases:** none


### Epson Setting Assistant

[App page](https://appshunter.io/ios/app/epson-setting-assistant/id1606269288)

This app uses your device's camera to automatically correct the shape and unevenness of a projected image. It adjusts the projection to fit a screen or frame and compensates for surface irregularities for a clearer picture.

**Highlights:** Automatic shape correction, Unevenness correction, Rectangular image adjustment, Frame alignment, Surface irregularity detection, QR code scanning for connection

**In-app purchases:** none


## Frequently asked questions

### Is C free?

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

### Is Epson Setting Assistant free?

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

### Which has better reviews, C or Epson Setting Assistant?

Epson Setting Assistant is rated higher. C averages 3.0 out of 5 from 2 ratings, while Epson Setting Assistant averages 4.4 from 467 ratings.

### Do C or Epson Setting Assistant have ads?

Neither C nor Epson Setting Assistant shows ads.

### Which is updated more often, C or Epson Setting Assistant?

C ships an update every 8 months, and Epson Setting Assistant every 4 months. Most recently, C was updated on October 25, 2026 and Epson Setting Assistant on October 25, 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.*