GVS Smart vs Mergen Savdag
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GVS Smart
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This software was developed by Guangzhou Vision and Sound Intelligence Co., Ltd. and is used for smart home control. Version features: 1. KNX product control 2. WiFi product control Mass product control includes but is not limited to lights, curtains, water purifiers, mass sensors, etc.
Mergen Savdag
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Open the barrier to your town with the one tap!
Screenshots
Verdict
The clearest difference is update cadence: GVS Smart at monthly against Mergen Savdag's every 6 months. Mergen Savdag's advantage is iOS requirement (13.0 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.
GVS Smart ships an update monthly, Mergen Savdag every 6 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.
| Parameter | GVS Smart | Mergen Savdag |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 137 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | GVS SMART CO.,LTD. | SEM LLC |
In-app purchases
GVS Smart
No in-app purchases
Mergen Savdag
No in-app purchases
