# SII DPU-S Utility

> SII DPU-S Utility (iPhone/iPad app by Seiko Instruments Inc..)

- Source: https://appshunter.io/ios/app/sii-dpu/id982214891 (this page in markdown: same URL + `.md`)
- Developer: [Seiko Instruments Inc.](https://appshunter.io/developer/430532225)
- Category: Business
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 1 MB
- Languages: American English, Japanese
- Released: 2015-04-14
- Data updated: 2025-12-22
- User reviews in markdown: https://appshunter.io/ios/app/sii-dpu/id982214891/reviews.md

## What is SII DPU?

This app allows to preset function settings of Seiko Instruments Inc.'s mobile printer DPU-S series.
App function
	•	Register function settings to the printer
	•	Read function settings from the printer
	•	Save settings to file
	•	Load settings from file
Printer Models
	•	DPU-S245-01B
	•	DPU-S445-01B
	•	DPU-S245-01C
	•	DPU-S445-01C
Interfaces
	•	Bluetooth


## Version history (last 5 releases)

### 1.1.6 — 2023-05-31

- Bug Fix.
- Add Version info.
- Make more user-friendly.

### 1.1.5 — 2022-05-25

Added dark interface style.

### 1.1.4 — 2017-10-05

This app has been updated by Apple to display the Apple Watch app icon.

Optimized for iOS11.

### 1.1.3 — 2016-12-10

Bug fix.

### 1.1.2 — 2016-09-09

Bug fix.

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## More apps by Seiko Instruments Inc.

- [SII PS Print Class Library](https://appshunter.io/ios/app/sii-ps-print-class-library/id980182499)
- [SII RP Utility](https://appshunter.io/ios/app/sii-rp-utility/id983608952)
- [SII MP-A Print Class Library](https://appshunter.io/ios/app/sii-mp/id1141274287)
- [SII MP-A Utility](https://appshunter.io/ios/app/sii-mp/id1141300626)
- [SII MP-B Utility](https://appshunter.io/ios/app/sii-mp/id1214756002)

All apps by Seiko Instruments Inc.: https://appshunter.io/developer/430532225

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2025-12-22.*