F vs Q
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
F
Control residential, commercial, and industrial door and gate openers with this app. It offers essential functions like opening, stopping, closing, partial opening, and LED light control, all configurable through the platform.
- Open/Stop/Close doors and gates
- Partial open function
- LED light control
- Auto close setting
- Force margin adjustment
- Configurable through the app
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F-linX is a powerful APP platform which is based on residential, commercial and industrial door and gate openers. It contains almost all the basic functions like open / stop / close the door or gates, partial open, LED light controlling, auto close and force margin and so on. All of them can be set through our F-linX APP.
Q
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Q-bi is a powerful app platform designed for residential, commercial, and industrial doors and gates. - Control & Customization: Perform basic operations (open/stop/close), set partial opening, control LED lights, and adjust auto-close and force settings directly from the app. - Monitoring & Alerts: The platform provides safety warnings and maintenance reminders to ensure safe operation. - Data & Diagnostics: Access real-time and historical operation data, including the last 10 operation curves, for insightful health analysis
Screenshots
Verdict
The clearest difference is update cadence: F at monthly against Q's every 5 months. 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.
F ships an update monthly, Q every 5 months. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.
| Parameter | F | Q |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Monthly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 134 MB | 128 MB |
| Age rating | 17+ | 17+ |
| Developer | ShenZhen BitDoor Technology Co.,Ltd. | 尔升 晁 |
In-app purchases
F
No in-app purchases
Q
No in-app purchases
