Comparison

GDS CATS vs IR Reader Config

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

Head to head

GDS CATS

GDS security communications

About

GDS CATS

Features

Read full description

The GDS CATS app allows you to communicate with your central station or dispatch center that is running the GDS Security Response software. Use this app for a monitored lone worker solution. Please note that your central station or dispatch provider must be running the GDS Security Response software for this app to work. Please confirm with them that they are compatible before installing this app.

About

IR Reader Config

Features

Read full description

Configure SIFER Mobile Access Readers with your phone or mobile device. - Apply site encryption keys to readers - Update reader firmware - Configure read range - Configure reader/app interaction modes

Screenshots

GDS CATS2 screens

IR Reader Config3 screens

Verdict

The call

The clearest difference is update cadence: IR Reader Config at every 6 weeks against GDS CATS's every 24 months. IR Reader Config also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support 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

GDS CATS ships an update every 24 months, IR Reader Config every 6 weeks. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 4 level

GDS CATS versus IR Reader Config: the parameters behind the verdict, then further details
Parameter	GDS CATS	IR Reader Config
Price	Free	Free
Update frequency	Every 24 months	Every 6 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	9.0 — better
Further details — not scored
Size	1 MB	74 MB
Age rating	4+	4+
Developer	Andrew Stewart	Inner Range Pty. Ltd.

In-app purchases

None

GDS CATS

No in-app purchases

None

IR Reader Config

No in-app purchases

Questions

Is GDS CATS free?

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

Is IR Reader Config free?

IR Reader Config is free to download, with no in-app purchases.

Do GDS CATS or IR Reader Config have ads?

Neither GDS CATS nor IR Reader Config shows ads.

Which is updated more often, GDS CATS or IR Reader Config?

GDS CATS ships an update every 24 months, and IR Reader Config every 6 weeks. Most recently, GDS CATS was updated on October 9, 2026 and IR Reader Config on October 7, 2026.