GemCommunity vs ttLink
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
GemCommunity
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Main functions: It can receive the call request of our visual building system. After receiving the call request, the door machine can be controlled to unlock. After opening Bluetooth, we can call the Bluetooth unlock function and control the door machine to unlock. It can control the smart home connected to our company's indoor computer.
ttLink
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ttlink is an app for smart lock
Screenshots
Verdict
The clearest difference is update cadence: ttLink at every 2 weeks against GemCommunity's every 3 months. ttLink also leads on iOS requirement (9.0 vs 13.0). 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.
GemCommunity ships an update every 3 months, ttLink every 2 weeks. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.
| Parameter | GemCommunity | ttLink |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 13.0 | 9.0 β better |
| Further details β not scored | ||
| Size | 214 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Gemvary Technologies Co.,Ltd | εΊη ι© |
In-app purchases
GemCommunity
No in-app purchases
ttLink
No in-app purchases
