OneTouchSIPPhone vs GS EXT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OneTouchSIPPhone
This application facilitates VOIP audio and video communication using the SIP protocol. It functions as an intercom system for seamless voice and video calls.
- VOIP audio communication
- Video calling
- SIP protocol based
- Intercom functionality
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VOIP audio/video intercom application based on SIP.
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.
Screenshots
Verdict
OneTouchSIPPhone and GS EXT are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
OneTouchSIPPhone ships an update every 5 months, GS EXT every 9 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | OneTouchSIPPhone | GS EXT |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Discreet Solutions Pvt Ltd | Grandstream |
In-app purchases
OneTouchSIPPhone
No in-app purchases
GS EXT
No in-app purchases









