TOPENS vs Graywind
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TOPENS
This app provides a platform for managing your home's smart door machine. It enables convenient and fast communication between your mobile phone and the door machine, facilitating internet connectivity.
- Smart door machine management
- Mobile phone and door machine interaction
- Internet communication with door machine
- Home intelligent platform
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Sanford smart app is your home's intelligent door machine management platform. Through Sanford, you can complete the convenient and fast interaction between mobile phone and door machine, and realize the Internet communication with door machine.
Graywind
Control your smart home devices with ease. Set schedules for energy savings, manage your home remotely, and create custom scenes for different moods. Share device access with family members for a truly connected living experience.
- Timing settings for energy saving
- Remote home control
- Multi-scene and multi-mode settings
- Control multiple smart devices
- One-click device sharing
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Graywind smart home, make your life more relax 1.Timing setting,worry-free and energy-saving 2.Leave home contro,relax and convenient 3.Multi-scene, multi-mode settings, make smart life full of fun 4.One APP can control multiple smart devices 5.One-click device sharing, easy to share with family
Screenshots
Verdict
The clearest difference is rating: Graywind at 2.2 against TOPENS's 1.4. Graywind also leads on review sentiment (17% vs 0%) and ratings volume (24 vs 7). On price, update cadence, ads and in-app purchases 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.
Graywind holds the better App Store score, 2.2 against 1.4. Both are backed by a comparable volume of ratings — 7 and 24 respectively. Written reviews point the same way: 0% of TOPENS's written reviews are positive against 17% of Graywind's.
TOPENS ships an update every 2 months, Graywind every 3 months. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.
| Parameter | TOPENS | Graywind |
|---|---|---|
| Price | Free | Free |
| Rating | 1.4 (7 ratings) | 2.2 (24 ratings) — better |
| Positive reviews | 0.0% of reviews | 16.7% of reviews — better |
| Number of ratings | 7 | 24 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 131 MB | 214 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Sanford Technology Co., Ltd | Changzhou Graywind SmartHome Technology Co.,Ltd |
Customer experience
TOPENS
Graywind
In-app purchases
TOPENS
No in-app purchases
Graywind
No in-app purchases
