# ViewSonic Projector vs Epson Setting Assistant

The clearest difference is rating: Epson Setting Assistant at 4.4 against ViewSonic Projector's 2.7. Epson Setting Assistant also leads on ratings volume (447 vs 12). ViewSonic Projector's advantage is review sentiment (50% vs 23%) and iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases 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 2.7. That said, the two scores are not equally well evidenced: Epson Setting Assistant has 447 ratings behind it against 12, so its average is the more settled of the two. Written reviews complicate that: 50% of ViewSonic Projector'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.

ViewSonic Projector ships an update every 3 months, Epson Setting Assistant every 5 months. The most recent releases landed on July 4, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | ViewSonic Projector | Epson Setting Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (12 ratings)](https://appshunter.io/ios/app/viewsonic-projector/id964378113/reviews) | **[4.4 (447 ratings)](https://appshunter.io/ios/app/epson-setting-assistant/id1606269288/reviews)** |
| Number of ratings | 12 | **447** |
| Positive reviews | **50.0% of reviews** | 22.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 22 MB | 94 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ViewSonic International Corp.](https://appshunter.io/developer/871648106) | [Seiko Epson Corporation](https://appshunter.io/developer/326876195) |

## What reviewers say

### ViewSonic Projector

[App page](https://appshunter.io/ios/app/viewsonic-projector/id964378113)

This app provides comprehensive knowledge for selecting and installing projectors. It offers practical guidance for various settings, helping users determine optimal placement based on room dimensions and desired screen size. Interactive simulations allow for real-time adjustments.

**Highlights:** Projector selection guidance, Installation know-how, Placement distance calculation, Screen size and aspect ratio input, Interactive distance adjustment, Simulation scenarios

**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 ViewSonic Projector free?

ViewSonic Projector 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, ViewSonic Projector or Epson Setting Assistant?

Epson Setting Assistant is rated higher. ViewSonic Projector averages 2.7 out of 5 from 12 ratings, while Epson Setting Assistant averages 4.4 from 447 ratings.

### Do ViewSonic Projector or Epson Setting Assistant have ads?

Neither ViewSonic Projector nor Epson Setting Assistant shows ads.

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

ViewSonic Projector ships an update every 3 months, and Epson Setting Assistant every 5 months. Most recently, ViewSonic Projector was updated on July 4, 2026 and Epson Setting Assistant on September 23, 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.*