Comparison

TRSS Reaction vs Avia

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

Head to head
About

TRSS Reaction

This app acts as a panic button, instantly alerting a control room to dispatch emergency services like fire, armed response, or ambulance. It also serves as a comprehensive security management platform for testing alarms, managing access, and providing holiday instructions.

Highlights
  • Instant emergency dispatch
  • Panic button functionality
  • Security management platform
  • Alarm testing and management
  • User access control
  • Holiday instruction feature
Read full description

You never know when an emergency situation might present itself. Who do you call? Where do you go to for help? Answer: You just use the TRSS Reaction Panic app. By using our panic app, you will send a signal directly to our control room who will then immediately dispatch the emergency personnel requested ñ whether the fire department, armed response or an ambulance ñ if not all. Our app not only functions as a panic button but also as a complete security management platform which you can use to test your alarms, manage your alarms on all your properties, managing the people who have access to your security system, give holiday instructions and much more.

About

Avia

This app provides a secure and seamless way to manage your smart door lock. It integrates with Apple HomeKit, offering advanced encryption and multiple access methods for peace of mind. Enjoy intelligent alerts and an activity tracker for comprehensive home security.

Highlights
  • Apple HomeKit integration
  • Advanced 256-bit encryption
  • Child safety mode
  • Activity tracker with audit report
  • Intelligent lock status alerts
  • No drilling or wiring required
Read full description

▪ Apple HomeKit secure solution for multipoint lever operated doors ▪ Boasts more proven internationally recognised security and IoT accreditations than any other smart lock available ▪ Unique child safety mode ▪ Installed in minutes. No drilling. No wiring. No extra apps charges or subscriptions ▪ Works with Apple iPhone, Apple smartwatch, Key Fob, Siri, key pad and manual key ▪ Bluetooth 5 strong connection stability and maximum range ▪ Advanced encryption 256 bit encryption for data transfer ▪ Manual key override ▪ Activity tracker with full audit report ▪ Protected against ‘man in the middle’ attacks ▪ Intelligent lock status alerts ▪ Brilliant iOS app ▪ Smart lock of the year 2020 – IoT Breakthrough Awards* ▪ BSI Internet of things Verified – Residential accredited ▪ ETSI TS103 645 accredited ▪ Sold secure / Master Locksmiths Association | smart lock and cylinder accreditation The Avia App works seamlessly with Apple HomeKit, connecting to all of your smart accessories and joining them all up. You simply create your very own ecosystem environment. That’s not just seamless… it’s smooth too. Security is the single most important issue when choosing a smart lock. Feeling safe is a must for any homeowner. The Avia secure smart lock is not just secure…its’ savvy too. Your secure smart lock is always connected to your other apple devices via Bluetooth® and can be accessed via HomeHub and Wi-Fi. So anyplace you are, anytime you like, and anywhere you like, you can always control access to your home. And if for any reason there is an electrical or internet outage, you can still access your house using the Bluetooth® functionality on your iPhone, the key fob, keypad and of course the existing manual key. We would love to hear from you if you have any questions about the Avia suite of products. Please contact us at: sales@aviasmart.com or visit the website www.aviasmart.com

Screenshots

TRSS Reaction4 screens
Avia4 screens

Verdict

The call

The clearest difference is review sentiment: Avia at 78% against TRSS Reaction's 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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

Scorecard1 real difference · 7 level
TRSS Reaction versus Avia: the parameters behind the verdict, then further details
ParameterTRSS ReactionAvia
PriceFreeFree
Positive reviews0.0% of reviews77.8% of reviews — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.013.0
Further details — not scored
Size50 MB38 MB
Age rating4+4+
DeveloperOryx Systems CCMighton

Customer experience

TRSS Reaction

Written reviews9 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Avia

Written reviews9 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

In-app purchases

None

TRSS Reaction

No in-app purchases

None

Avia

No in-app purchases

Questions

Is TRSS Reaction free?
TRSS Reaction is free to download, with no in-app purchases.
Is Avia free?
Avia is free to download, with no in-app purchases.
Do TRSS Reaction or Avia have ads?
Neither TRSS Reaction nor Avia shows ads.
Which is updated more often, TRSS Reaction or Avia?
TRSS Reaction ships an update every 2 months, and Avia every 2 months. Most recently, TRSS Reaction was updated on October 24, 2026 and Avia on October 3, 2026.

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