Comparison

GSM Dialer vs AlarmSMS Controller

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

Head to head
About

GSM Dialer

Control and program compatible GSM Auto Dialers remotely from your iPhone. Receive instant voice or SMS alerts for security and environmental events. Manage dialer settings, phone numbers, and SMS messages with ease.

Highlights
  • Remote On/Off control
  • Activate dialer outputs
  • Program up to 9 phone numbers
  • Select numbers based on trigger
  • Create custom SMS messages
  • Configure test calls
  • Reset to factory defaults
Features
Read full description

This APP enables you to program and initiate certain actions with compatible GSM Auto Dialers quickly and easily from your iPhone. GSM Auto Dialers are used extensively within the Security and Environmental Monitoring Industry to notify you remotely via a voice message or SMS if an intrusion or event has occurred. Before downloading and attempting to use this APP, check with your Installer or Supplier whether your GSM Auto Dialer is compatible with this APP. Actions that can be accomplished by using this APP include: β€’ Turn On/Off your Dialer remotely β€’ Activate one of the Dialer’s outputs β€’ Program up to 9 different Telephone Numbers the Dialer should call if one of its inputs is triggered β€’ Select all or just some of the 9 Telephone Numbers to be called according to which input has been triggered β€’ Create different SMS messages that are sent out on each trigger β€’ Select whether regular Test Calls are made by the Dialer β€’ Return the Dialer to Factory default settings

About

AlarmSMS Controller

Features
Read full description

AlarmSMS Controller is a simple, flexible GSM alarm control app for security systems that support SMS commands. Instead of typing the same SMS commands every time, you can create clean command buttons for your alarm system and use them whenever you need to arm, disarm, check status, activate stay mode, control siren functions, manage zones, or send any custom command supported by your GSM alarm panel. AlarmSMS Controller is not locked to one alarm brand. You can add your alarm phone number, create your own SMS commands, choose icons and colors, and organize everything in one easy-to-use interface. Main features: β€’ Control compatible GSM alarm systems by SMS β€’ Create custom arm, disarm, stay, status, siren, and zone commands β€’ Add multiple alarm profiles β€’ Save alarm phone numbers and command presets β€’ Choose icons and colors for each command β€’ Organize your most used security commands β€’ Works with many GSM alarm panels that accept SMS commands β€’ Backup and restore your setup β€’ No account required β€’ Data stored locally on your device Perfect for users who already have a GSM alarm panel and want a faster, cleaner way to send SMS control commands without remembering command codes manually. Important: AlarmSMS Controller does not monitor your alarm system, receive alarm events, or replace a professional security service. The app only helps you prepare and send SMS commands to compatible GSM alarm systems. SMS charges may apply depending on your mobile provider.

Screenshots

GSM Dialer4 screens
AlarmSMS Controller4 screens

Verdict

The call

The clearest difference is in-app purchases: GSM Dialer at none against AlarmSMS Controller's 1. GSM Dialer also leads on iOS requirement (13.0 vs 16.0). AlarmSMS Controller's advantage is update cadence (monthly vs every 10 months). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. AlarmSMS Controller sells 1 one-off in-app purchase. GSM Dialer asks for nothing beyond the download.

UpkeepUpdate frequency

GSM Dialer ships an update every 10 months, AlarmSMS Controller monthly. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

Scorecard3 real differences Β· 5 level
GSM Dialer versus AlarmSMS Controller: the parameters behind the verdict, then further details
ParameterGSM DialerAlarmSMS Controller
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 10 monthsMonthly β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 β€” better16.0
Further details β€” not scored
Size5 MB52 MB
Age rating4+4+
DeveloperKeystone Electronics LimitedGeorge Alexandrou

In-app purchases

None

GSM Dialer

No in-app purchases

1 purchases

AlarmSMS Controller

One-time1
  • AlarmSMS Pro$4.99

Questions

Is GSM Dialer free?
GSM Dialer is free to download, with no in-app purchases.
Is AlarmSMS Controller free?
AlarmSMS Controller is free to download, with in-app purchases available.
Do GSM Dialer or AlarmSMS Controller have ads?
Neither GSM Dialer nor AlarmSMS Controller shows ads.
Which is updated more often, GSM Dialer or AlarmSMS Controller?
GSM Dialer ships an update every 10 months, and AlarmSMS Controller monthly. Most recently, GSM Dialer was updated on October 11, 2026 and AlarmSMS Controller on October 15, 2026.

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