GS EXT vs ESSLB
Price, ratings, monetisation and update history for both apps, side by side — 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.
ESSLB
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ESS is a company that sell and install machines of multiple types (Precision cooling, UPS). A mobile app has been developped for ESS's clients, it let them visualise their installed machines with the related maintenances contracts and visits' reports.
Screenshots
Verdict
The clearest difference is update cadence: ESSLB at monthly against GS EXT's every 9 months. GS EXT's advantage is 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
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, ESSLB monthly. The most recent releases landed on October 2, 2026 and September 20, 2026 respectively.
| Parameter | GS EXT | ESSLB |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Grandstream | khalil hamze |
In-app purchases
GS EXT
No in-app purchases
ESSLB
No in-app purchases
