# SII PS Print Class Library vs Epson POS Printer Explorer

The clearest difference is iOS requirement: Epson POS Printer Explorer at 12 against SII PS Print Class Library's 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.

SII PS Print Class Library ships an update every 4 months, Epson POS Printer Explorer every 5 months. The most recent releases landed on September 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SII PS Print Class Library | Epson POS Printer Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/epson-pos-printer-explorer/id1007531641/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | — | Free |
| Size | 2 MB | 48 MB |
| Requires iOS | 17.0 | **12** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seiko Instruments Inc.](https://appshunter.io/developer/430532225) | [Epson America, Inc.](https://appshunter.io/developer/938850969) |

## What reviewers say

### SII PS Print Class Library

[App page](https://appshunter.io/ios/app/sii-ps-print-class-library/id980182499)

**In-app purchases:** none


### Epson POS Printer Explorer

[App page](https://appshunter.io/ios/app/epson-pos-printer-explorer/id1007531641)

Explore features of EPSON receipt printers and connect peripherals. Add items, process payments, and print receipts by manual selection or barcode scanning. Discover printers via beacon, QR codes, or IP input.

**Highlights:** Connect and control peripherals, Add items to cart, Process payments, Print receipts, Scan product barcodes, Discover printers via beacon/QR/IP

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SII PS Print Class Library free?

SII PS Print Class Library is free to download, with no in-app purchases.

### Is Epson POS Printer Explorer free?

Epson POS Printer Explorer is free to download, with no in-app purchases.

### Do SII PS Print Class Library or Epson POS Printer Explorer have ads?

Neither SII PS Print Class Library nor Epson POS Printer Explorer shows ads.

### Which is updated more often, SII PS Print Class Library or Epson POS Printer Explorer?

SII PS Print Class Library ships an update every 4 months, and Epson POS Printer Explorer every 5 months. Most recently, SII PS Print Class Library was updated on September 22, 2026 and Epson POS Printer Explorer on October 19, 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.*