Comparison

GDS CATS vs SecureVOIP

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

Head to head
About

GDS CATS

Features
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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

SecureVOIP

Features
Read full description

SecureVOIP allows users to move away from traditional 'fixed' lines or handsets to their existing smartphone device without losing any of the rich features they have come to expect from your existing phone system. By utilising our Cloud PBX features. businesses or individuals can now rid themselves of their inflexible, expensive handsets or fixed phone systems and move all or even just some of their lines onto existing mobile phones at no extra cost. All you need is: - An iPhone or iPad handset - An internet connection - A headset for best audio quality - A VOIP account and phone number Benefits: - Easy to use - Free of charge - Quick and Simple Installation - Control all your call settings from right inside the App - Rich Cloud PBX features - High Definition Video Calling and Conferencing - Secure - supports TLS and SRTP - Opus codec support for dynamic adaptive call quality - High Definition Wideband Voice (Opus & G.722) and Video (H.264) - Conferencing, 3 way calling and call transfers - Mute, Speakerphone, Integration with existing contact lists - Push notification support for background operation - Internal Contact Presence and BLF support - Group/Cloud contact directory

Screenshots

GDS CATS2 screens
SecureVOIP4 screens

Verdict

The call

The clearest difference is iOS requirement: SecureVOIP at 13.0 against GDS CATS's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท 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, SecureVOIP every 21 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

Scorecard1 real difference ยท 5 level
GDS CATS versus SecureVOIP: the parameters behind the verdict, then further details
ParameterGDS CATSSecureVOIP
PriceFreeFree
Update frequencyEvery 24 monthsEvery 21 months โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 โ€” better
Further details โ€” not scored
Size1 MB113 MB
Age rating4+4+
DeveloperAndrew StewartRay Jackson

In-app purchases

None

GDS CATS

No in-app purchases

None

SecureVOIP

No in-app purchases

Questions

Is GDS CATS free?
GDS CATS is free to download, with no in-app purchases.
Is SecureVOIP free?
SecureVOIP is free to download, with no in-app purchases.
Do GDS CATS or SecureVOIP have ads?
Neither GDS CATS nor SecureVOIP shows ads.
Which is updated more often, GDS CATS or SecureVOIP?
GDS CATS ships an update every 24 months, and SecureVOIP every 21 months. Most recently, GDS CATS was updated on October 9, 2026 and SecureVOIP on October 16, 2026.

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