Telecall Pro vs GSM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Telecall Pro
Enhance team mobility and productivity with this business communication tool. It offers features like conference calls, call forwarding, call transfer, and call recording. Secure configuration options and video calls are also included.
- Conference Call
- Call Forward
- Call Transfer
- Call Recorder
- Speed Dial
- QR Code Configuration
- Video Calls
Read full descriptionHide full description
Increased mobility and productivity for you and your team. The Telecall IPBX extension has several features: - Conference Call - Call Forward - Call Transfer - Call Recorder - Speed Dial (memory) - Configuration by QR code (more security) - Video Calls
GSM
Read full descriptionHide full description
CONTA-CLIP‘s smartphone app for the GSM-PRO2 SMS relay provides a simple and fast solution to monitor and control one or more modules in the field. The app shows the status of all inputs and outputs of all connected GSM-PRO2 modules. Switch on your heater, fan or water pump simply by clicking a button. The app buttons provide intuitive control. In combination with de GSM-PRO-GPS this app even shows very simple and clear the exact position of your device in the field. This app offers you monitoring and control of multiple GSM-PRO2 modules in the field without knowing specific GSM-PRO SMS instructions.
Screenshots
Verdict
Telecall Pro and GSM 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.
Telecall Pro ships an update every 7 months, GSM every 4 months. The most recent releases landed on June 24, 2026 and September 10, 2026 respectively.
| Parameter | Telecall Pro | GSM |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 9.0 |
| Further details — not scored | ||
| Size | 48 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Telecall | CONTA-CLIP Verbindungstechnik GmbH |
In-app purchases
Telecall Pro
No in-app purchases
GSM
No in-app purchases
