Comparison

STM Patch Editor vs STerminal 3

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

STM Patch Editor

Features

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Mit dem Patch-Editor kann das in Akkordeons und Harmonikas verbaute MIDI-System von STmusic konfiguriert werden. Es können alle relevanten Einstellungen von bis zu 50 Sets (Sound-Paket) zu jeweils 11 Kanälen einfach und komfortabel zusammengestellt werden. Dies umfasst auch die Funktionen des optionalen Funk-Tasten-Moduls und die Bass- bzw. Begleitnoten für den "Drum"-Kanal. Dabei werden die Soundmodule "STM320", "V3-SonorityTR", "Ketron SD1000", "STM VolxStar Premium", "Sonority" und "Star Krainer" unterstützt. Der Patch-Editor kann auch zur Live-Steuerung verwendet werden, da alle Einstellungen, welche geändert werden, sofort aktiv sind und komplette MIDI-Kanäle auf Knopfdruck ein- und ausgeschalten werden können. Weitere Informationen zu den MIDI-Systemen von STmusic finden Sie unter www.stmusic.at

About

STerminal 3

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Sierzega is an electronics company specializing in traffic technology. This application is used to control Sierzega speed displays and traffic counting devices. The app works only in combination with a Sierzega product (www.sierzega.com) and the corresponding PIN code. The application is designed to be self-explanatory. After establishing a Bluetooth connection, a Sierzega product can be configured in just a few simple steps, or traffic data can be downloaded.

Screenshots

STerminal 34 screens

Verdict

The call

The clearest difference is price: STerminal 3 at Free against STM Patch Editor's $19.99. STerminal 3 also leads on update cadence (every 2 months vs every 5 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

STerminal 3 is free to download; STM Patch Editor costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

STM Patch Editor ships an update every 5 months, STerminal 3 every 2 months. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 3 level

STM Patch Editor versus STerminal 3: the parameters behind the verdict, then further details
Parameter	STM Patch Editor	STerminal 3
Price	$19.99	Free — better
Update frequency	Every 5 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPad	iPhone, iPad, iPod — better
Requires iOS	13.0	12.2 — better
Further details — not scored
Size	53 MB	29 MB
Age rating	4+	4+
Developer	Josef Stoppacher	Sierzega Elektronik GmbH

In-app purchases

None

STM Patch Editor

No in-app purchases

None

STerminal 3

No in-app purchases

Questions

Is STM Patch Editor free?

STM Patch Editor costs $19.99, with no in-app purchases.

Is STerminal 3 free?

STerminal 3 is free to download, with no in-app purchases.

Do STM Patch Editor or STerminal 3 have ads?

Neither STM Patch Editor nor STerminal 3 shows ads.

Which is updated more often, STM Patch Editor or STerminal 3?

STM Patch Editor ships an update every 5 months, and STerminal 3 every 2 months. Most recently, STM Patch Editor was updated on September 16, 2026 and STerminal 3 on September 14, 2026.