# SII Layout Editor

> SII Layout Editor (iPhone/iPad app by Seiko Instruments Inc..)

- Source: https://appshunter.io/ios/app/sii-layout-editor/id1660680813 (this page in markdown: same URL + `.md`)
- Developer: [Seiko Instruments Inc.](https://appshunter.io/developer/430532225)
- Category: Productivity, Graphics & Design
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 149 MB
- Released: 2023-02-07
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/sii-layout-editor/id1660680813/reviews.md

## What is SII Layout Editor?

This app allows to create label image and print on Seiko Instruments Inc.'s printer.

App function
	•	Create label using text, image, barcode.
	•	Open sample label.
	•	Save  to file.
	•	Open label from file.
	•	Print label.

Printer Model
	•	SLP850
	•	SLP720RT
	•	SLP721RT
	•	MP-B30L
	•	MP-B21L
       
Interfaces
	•	Wireless LAN
	•	Bluetooth


## Version history (last 5 releases)

### 1.7.4 — 2026-03-30

・Fixed reversed print orientation on Japan‑market TL‑S4028A.
・Fixed unnecessary warning when opening SLP850 labels on SLP72xRT.
・Fixed issue preventing print cancel after “No Paper” error on SLP850.
・Fixed missing copyright display.

### 1.7.2 — 2026-01-15

・Bug fixes.

### 1.7.0 — 2026-01-08

・Added SLP850 Series to supported device.
・Added SLP labels to standard paper types.
・Added new barcode generation method.

### 1.6.0 — 2025-05-13

・Improved usability.
・Bug fixes.

### 1.5.0 — 2024-12-13

・New file format for saving files. (extension: *.slex)
   * Please note that old applications will not be able to read the new file format (*.slex).
・Removed three labels for Japan (TL-SSRLA, TL-S1RLA, and TL-SMRLA) from standard paper.
・Added sorting function in the file list.
・Added a function to align barcode objects.
・Added a function to display the day of the week in the date and time object.
・Added a function to print to paper length on receipts and linerless labels.
・Improved usability.
・Bug fixes.

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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 DPU-S Utility](https://appshunter.io/ios/app/sii-dpu-s-utility/id982214891)
- [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-a-print-class-library/id1141274287)
- [SII MP-A Utility](https://appshunter.io/ios/app/sii-mp-a-utility/id1141300626)
- [SII MP-B Utility](https://appshunter.io/ios/app/sii-mp-b-utility/id1214756002)

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

## Related topics

[sii layout editor](https://appshunter.io/ios/topics/sii-layout-editor)

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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 2026-05-15.*