SII Printer Utility vs Thermos Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SII Printer Utility
This application allows users to manage settings for Seiko Instruments Inc. printers. It enables writing and reading configurations, saving and loading settings to files, and printing current configurations. The utility also supports displaying printer information and resetting to default settings.
- Write settings to printer
- Read settings from printer
- Save/Load settings to file
- Print function settings
- Display printer information
- Load default settings
- Firmware update
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This app allows to preset function settings and communication settings of Seiko Instruments Inc.'s printer. App function • Write settings to the printer • Read settings from the printer • Save settings to file • Load settings from file • Print function settings • Display printer information • Load default settings • Firmware update Printer Models • RP-E10-K3FJ2-B • RP-E10-W3FJ2-B • RP-E11-K3FJ2-B • RP-E11-W3FJ2-B • RP-D10-K27J2-B • RP-D10-W27J2-B • RP-E10-K3FJ1-E • RP-E10-W3FJ1-E • RP-E11-K3FJ1-E • RP-E11-W3FJ1-E • RP-D10-K27J1-E • RP-D10-W27J1-E • MP-B20-B02JK1 • MP-B30-B02JK1 • MP-B30-W02JK1 • MP-B30L-B46JK1 • MP-B30L-W46JK1 • MP-B21L-B46JK1 • MP-B21L-W46JK1 • MP-A40-B06JK1 • MP-A40-B06JK2 • MP-A40-B06JK2U • MP-A40-W06JK1U • MP-A40-W06JK1E • MP-A40-W06JK1J • MP-A40-W06JK1B • RP-F10-K27J1 • RP-F10-W27J1 • RP-F10-K27J1-3 • RP-F10-K27J1-4 • RP-F10-K27J1-5 • RP-F10-W27J1-3 • RP-F10-W27J1-4 • RP-F10-W27J1-5 • SLP720RT-EK • SLP720RT-WK • SLP721RT-EK • SLP721RT-WK • SLP721RT-EW • SLP721RT-WW • SLP721RT-BK • SLP721RT-BW Display Models • DSP-A01-K1 • DSP-A01-W1 Interfaces • WiFi(TCP/IP) • Bluetooth • USB(Type-C)
Thermos Pro
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THERMOS Pro is a powerful thermal printing app, designed to simplify and elevate your business printing needs. Connect seamlessly via Bluetooth to any compatible thermal printer and access a full suite of features for creating customized receipts, labels, and more. Key Features: Bluetooth Connection: Instant pairing with Bluetooth-enabled thermal printers, ensuring quick and reliable performance. Test Printing: Check print quality and setup with options for ESC/POS commands, welcome messages, and full ASCII character support. Custom Printing: Print any text or design you want with our fully customizable print feature. Tax and Receipt Customization: Create professional receipts that include tax details, perfect for small retail and service businesses. Product Labels & QR Code Generation: Print product labels and generate QR codes effortlessly for your inventory. Image Printing: Print logos, graphics, and other images directly from your device. Accurate Decimal Calculations: Handle detailed calculations to ensure precision on every receipt. THERMOS Pro is tailored for business owners, retailers, and service providers who need reliable, on-the-go printing solutions. With support for custom receipts, images, and QR codes, it’s a comprehensive tool that goes beyond basic thermal printing. Whether you're printing invoices, receipts, or product labels, THERMOS Pro delivers professional results every time.
Screenshots
Verdict
The clearest difference is update cadence: Thermos Pro at every 3 weeks against SII Printer Utility's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SII Printer Utility ships an update every 6 months, Thermos Pro every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | SII Printer Utility | Thermos Pro |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 51 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Seiko Instruments Inc. | Prabal Verma |
In-app purchases
SII Printer Utility
No in-app purchases
Thermos Pro
No in-app purchases
Questions
Is SII Printer Utility free?
Is Thermos Pro free?
Do SII Printer Utility or Thermos Pro have ads?
Which is updated more often, SII Printer Utility or Thermos Pro?
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