Comparison

GS EXT vs NoiseScope

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

Head to head
About

GS EXT

Features
Read full description

GS EXT is a mobile client used in conjunction with the Grandstream GRP260X series phones, providing simple and fast programmable buttons to record various communication needs in office scenarios, making it convenient for users to operate communication functions with one click.

About

NoiseScope

Features
Read full description

NoiseScope is a precise and reliable tool for measuring and documenting sound levels in your environment. Whether you are at a concert, at work, at home, or outdoors, NoiseScope gives you an accurate understanding of the noise around you β€” in real time. Measure sound levels instantly in decibels (dB) with a clear, color-coded display that helps you understand how safe or harmful the sound may be. The app also provides a rolling average to smooth out rapid fluctuations and give you a more stable picture of the overall sound environment. Measure and store noise over time Start a measurement period and track minimum, maximum, and average levels. With location access enabled, NoiseScope also records your position and marks it on a map, making it easy to document where a measurement took place. Perfect for reporting noise issues The Pro version allows you to save measurement periods and export detailed PDF reports containing all key values β€” time, location, and noise levels β€” ideal for submitting noise complaints or documenting sound conditions professionally. The Pro Version Features β€’ Unlimited measurement duration β€’ Save measurement periods β€’ Export PDF reports with key data and map β€’ Improved documentation for noise complaints Designed for clarity and ease of use NoiseScope offers a clean, intuitive interface that makes noise measurement accessible to everyone. Real-time readings can be disabled at any time to reduce battery use. Whether you need a simple sound level meter or a tool for formal documentation, NoiseScope gives you accurate, reliable, and easy-to-share results.

Screenshots

GS EXT4 screens
NoiseScope4 screens

Verdict

The call

The clearest difference is in-app purchases: GS EXT at none against NoiseScope's 1. GS EXT also leads on iOS requirement (9.0 vs 17.6). NoiseScope's advantage is update cadence (every 2 months vs every 9 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. NoiseScope sells 1 one-off in-app purchase. GS EXT asks for nothing beyond the download.

UpkeepUpdate frequency

GS EXT ships an update every 9 months, NoiseScope every 2 months. The most recent releases landed on October 18, 2026 and September 23, 2026 respectively.

Scorecard3 real differences Β· 3 level
GS EXT versus NoiseScope: the parameters behind the verdict, then further details
ParameterGS EXTNoiseScope
PriceFreeFree
Update frequencyEvery 9 monthsEvery 2 months β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS9.0 β€” better17.6
Further details β€” not scored
Size13 MB7 MB
Age rating4+4+
DeveloperGrandstreamTore Bergethon Østensen

In-app purchases

None

GS EXT

No in-app purchases

1 purchases

NoiseScope

One-time1
  • Pro version$2.99

Questions

Is GS EXT free?
GS EXT is free to download, with no in-app purchases.
Is NoiseScope free?
NoiseScope is free to download, with in-app purchases available.
Do GS EXT or NoiseScope have ads?
Neither GS EXT nor NoiseScope shows ads.
Which is updated more often, GS EXT or NoiseScope?
GS EXT ships an update every 9 months, and NoiseScope every 2 months. Most recently, GS EXT was updated on October 18, 2026 and NoiseScope on September 23, 2026.

Other comparisons