GS EXT vs NS BT
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
GS EXT
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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.
NS BT
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Screenshots
Verdict
The clearest difference is update cadence: NS BT at every 2 months against GS EXT's every 9 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GS EXT ships an update every 9 months, NS BT every 2 months. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.
| Parameter | GS EXT | NS BT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 2 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 β better | 10.0 |
| Further details β not scored | ||
| Size | 13 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Grandstream | θ ι |
In-app purchases
GS EXT
No in-app purchases
NS BT
No in-app purchases
