Comparison

GSMKEY vs Unity SCADA

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

Head to head

GSMKEY

Free

💼 Business

★ 3.01 ratingsView app →

Easy access to Unity

About

GSMKEY

Control electric gates and automatic doors remotely by sending SMS commands. This application also allows for the configuration of device parameters. It is compatible with specific GSM-KEY products.

Highlights

Remote gate and door control via SMS
Device parameter configuration
SMS command sending
Compatibility with GSM-KEY products

Features

Read full description

GSM-KEY is used for the remote control of electric gate and automatic door by sending SMS text messages. Also used to config the parameters of the GSM-KEY device remotely. Compatible with WAFER 's GSM-KEY-AC and GSM-KEY-DC products series.

About

Unity SCADA

Features

Read full description

Integrated site management system Easy access to Unity SCADA from your iPhone or iPad. Unity is a vendor independent centralised management solution for geographically distributed power production and operation sites. It provides real time performance monitoring and accurate fault recognition. All important data are available through your smartphone, offering smooth plant operation and yields maximisation.

Screenshots

GSMKEY4 screens

Unity SCADA4 screens

Verdict

The call

The clearest difference is iOS requirement: GSMKEY at 6.0 against Unity SCADA's 15.0. On price, update cadence, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GSMKEY ships an update every 8 months, Unity SCADA every 4 months. The most recent releases landed on June 10, 2026 and September 10, 2026 respectively.

Scorecard1 real difference · 9 level

GSMKEY versus Unity SCADA: the parameters behind the verdict, then further details
Parameter	GSMKEY	Unity SCADA
Price	Free	Free
Rating	3.0 (1 ratings) — better	—
Positive reviews	33.3% of reviews	—
Number of ratings	1 — better	—
Update frequency	Every 8 months	Every 4 months — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	6.0 — better	15.0
Further details — not scored
Size	3 MB	88 MB
Age rating	4+	4+
Developer	艳丽刘	inaccess inc.

In-app purchases

None

GSMKEY

No in-app purchases

None

Unity SCADA

No in-app purchases

Questions

Is GSMKEY free?

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

Is Unity SCADA free?

Unity SCADA is free to download, with no in-app purchases.

Do GSMKEY or Unity SCADA have ads?

Neither GSMKEY nor Unity SCADA shows ads.

Which is updated more often, GSMKEY or Unity SCADA?

GSMKEY ships an update every 8 months, and Unity SCADA every 4 months. Most recently, GSMKEY was updated on June 10, 2026 and Unity SCADA on September 10, 2026.