# iDocCam OTS vs Epson Setting Assistant

The clearest difference is price: Epson Setting Assistant at Free against iDocCam OTS's $99.99. Epson Setting Assistant also leads on rating (4.4 vs 3.5) and ratings volume (468 vs 2). iDocCam OTS's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Epson Setting Assistant is free to download; iDocCam OTS costs $99.99 up front. 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 3.5. That said, the two scores are not equally well evidenced: Epson Setting Assistant has 468 ratings behind it against 2, so its average is the more settled of the two.

iDocCam OTS ships an update every 3 weeks, Epson Setting Assistant every 4 months. The most recent releases landed on June 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | iDocCam OTS | Epson Setting Assistant |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/idoccam-ots/id1510302461/reviews) | **[4.4 (468 ratings)](https://appshunter.io/ios/app/epson-setting-assistant/id1606269288/reviews)** |
| Number of ratings | 2 | **468** |
| Positive reviews | — | 23.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Paid | **Free** |
| Size | 19 MB | 100 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IPEVO](https://appshunter.io/developer/326593260) | [Seiko Epson Corporation](https://appshunter.io/developer/326876195) |

## What reviewers say

### iDocCam OTS

[App page](https://appshunter.io/ios/app/idoccam-ots/id1510302461)

Transform your phone into a powerful document camera for large-screen projection. Control your device's camera in real-time and adjust live images for presentations or standalone viewing.

**Highlights:** Real-time camera control, Document camera functionality, Large-screen projection, Standalone app mode, Integration with IPEVO Visualizer, HDMI/VGA and AirPlay output

**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 iDocCam OTS free?

iDocCam OTS costs $99.99, 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, iDocCam OTS or Epson Setting Assistant?

Epson Setting Assistant is rated higher. iDocCam OTS averages 3.5 out of 5 from 2 ratings, while Epson Setting Assistant averages 4.4 from 468 ratings.

### Do iDocCam OTS or Epson Setting Assistant have ads?

Neither iDocCam OTS nor Epson Setting Assistant shows ads.

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

iDocCam OTS ships an update every 3 weeks, and Epson Setting Assistant every 4 months. Most recently, iDocCam OTS was updated on June 6, 2026 and Epson Setting Assistant 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.*