Comparison

ISS iGuard vs SAT Messenger

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

Head to head
About

ISS iGuard

Features
Read full description

ISS iGuard is a revolution in 24 hour personal security protection. Whether you are a shift worker, out on the town, working in a dangerous location or area, or want to know that your family is safe, then ISS iGuard is for you. Simply download the App onto your smart phone, follow the prompts and you are ready to go. When you need the protection of ISS iGuard you login to the App and you are then being monitored. If you are concerned for your safety then simply shake the phone and ISS iGuard will do the rest. You emergency contacts will be sent an SMS of your present location and your emergency escalation requirements will be activated. Video and Audio of your situation is sent to the ISS iGuard cloud and on to your contacts. If you have made a mistake you can cancel your emergency by keying in your PIN and your contacts will be updated. ISS iGuard cab also look after your business requirements monitoring and protecting your employee offering a complete business solution and compiles with BS8484 OH&S standards. Users can login to the ISS iGuard portal via the website to manage their account, update their profile and view alerts. Businesses can monitor the safety of their employees directly to existing computer systems with internet access. ISS iGuard is a total personal solution for you. Continued use of GPS running in the background can dramatically decrease battery life.

About

SAT Messenger

Features
Read full description

Satellite Messenger is a personal satellite communication and location-tracking device app.It provides global satellite coverage in all regions except the North and South Poles. The app supports two-way satellite text messaging, one-touch SOS emergency alerts, location sharing, weather updates, and route tracking, making it a reliable companion for outdoor adventures and remote travel.

Screenshots

ISS iGuard4 screens
SAT Messenger4 screens

Verdict

The call

The clearest difference is update cadence: SAT Messenger at every 2 weeks against ISS iGuard's every 4 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ISS iGuard ships an update every 4 months, SAT Messenger every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard1 real difference Β· 5 level
ISS iGuard versus SAT Messenger: the parameters behind the verdict, then further details
ParameterISS iGuardSAT Messenger
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS14.0 β€” better15.0
Further details β€” not scored
Size95 MB51 MB
Age rating4+17+
DeveloperInfratec Security Systemsphwy

In-app purchases

None

ISS iGuard

No in-app purchases

None

SAT Messenger

No in-app purchases

Questions

Is ISS iGuard free?
ISS iGuard is free to download, with no in-app purchases.
Is SAT Messenger free?
SAT Messenger is free to download, with no in-app purchases.
Do ISS iGuard or SAT Messenger have ads?
Neither ISS iGuard nor SAT Messenger shows ads.
Which is updated more often, ISS iGuard or SAT Messenger?
ISS iGuard ships an update every 4 months, and SAT Messenger every 2 weeks. Most recently, ISS iGuard was updated on November 1, 2026 and SAT Messenger on November 3, 2026.

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