# Epson Setting Assistant vs Altheru

The clearest difference is rating: Altheru at 5.0 against Epson Setting Assistant's 4.4. Altheru also leads on update cadence (every 2 days vs every 4 months). Epson Setting Assistant's advantage is in-app purchases (none vs 1) and ratings volume (467 vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Altheru sells 1 one-off in-app purchase. Epson Setting Assistant asks for nothing beyond the download.

Altheru holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Epson Setting Assistant has 467 ratings behind it against 3, so its average is the more settled of the two.

Epson Setting Assistant ships an update every 4 months, Altheru every 2 days. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Epson Setting Assistant | Altheru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (467 ratings)](https://appshunter.io/ios/app/epson-setting-assistant/id1606269288/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/altheru/id6806426957/reviews)** |
| Number of ratings | **467** | 3 |
| Positive reviews | 23.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 100 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seiko Epson Corporation](https://appshunter.io/developer/326876195) | [Technefide Labs Private Limited](https://appshunter.io/developer/1799721767) |

## What reviewers say

### 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


### Altheru

[App page](https://appshunter.io/ios/app/altheru/id6806426957)

Organize, search, and manage important family documents locally on your device. Get reminders for deadlines and use AI to ask questions about your stored files. Keep all household paperwork in one secure, private place.

**Highlights:** Local document storage, AI-powered search, Deadline reminders, Profile creation, Document linking, Encrypted storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Altheru Premium | $9.99 | one-time |


## Frequently asked questions

### Is Epson Setting Assistant free?

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

### Is Altheru free?

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

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

Altheru is rated higher. Epson Setting Assistant averages 4.4 out of 5 from 467 ratings, while Altheru averages 5.0 from 3 ratings.

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

Neither Epson Setting Assistant nor Altheru shows ads.

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

Epson Setting Assistant ships an update every 4 months, and Altheru every 2 days. Most recently, Epson Setting Assistant was updated on October 25, 2026 and Altheru on October 9, 2026.

---

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