Aroma vs CastLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aroma
This platform allows for the remote control and management of air treatment, odor control, and sterilization devices. It supports multiple communication methods and is compatible with both mobile and PC terminals for comprehensive data statistics and analysis.
- Cloud control platform
- Bluetooth, WiFi, 2G/4G communication
- Mobile and PC terminal compatibility
- Data statistics and analysis
- Hardware access for various equipment
- Independent cloud control platform
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Aromoa link is an Internet of things control platform for air treatment, odor treatment, fragrance marketing, sterilization and sterilization. This platform is the first cloud control product in the world that can support Bluetooth, WiFi, 2G / 4G and cellular communication, and also the first platform that is compatible with mobile and PC terminals to realize control, management and data statistics. Aroma link is a self built server and independently developed cloud control platform. Not limited by the framework of the third-party cloud platform, it fully ensures the information security of the platform, user-defined data collection and analysis. Finally, the platform supports hardware access to kill equipment, fragrance equipment, other spray and processing equipment, and provides more market prospects for the upgrading and upgrading of subsequent product lines.
CastLink
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一键搜索并连接投屏设备 支持全屏 / 多档分屏、镜像翻转等显示模式 点击「开始推流」即可稳定推送画面，操作简单高效
Screenshots
Verdict
The clearest difference is update cadence: CastLink at every 4 days against Aroma's monthly. Aroma'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.
Aroma ships an update monthly, CastLink every 4 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | Aroma | CastLink |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (124 ratings) — better | — |
| Positive reviews | 10.0% of reviews | — |
| Number of ratings | 124 — better | — |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 32 MB | 2 MB |
| Age rating | 4+ | 17+ |
| Developer | 可汗 罗 | Shenzhen GaoshiGo Technology Co., Ltd. |
Bugs and requests
Aroma
Reported bugs
51 issues- Device does not turn on
- Bluetooth connection is weak or lost
- WiFi connection is unstable or unavailable
- App does not save settings or schedules
- App reverts to factory settings
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- Incorrect error messages regarding start and end times
- App is incompatible with newer iPhone versions
- App does not allow account creation
- Bluetooth password issues (wrong password, forgotten password)
- App does not find devices after initial setup or adding new devices
- WiFi functionality removed
- Schedule settings not saving correctly (e.g., only showing Sunday)
- App not displaying pair code for Bluetooth
- App not allowing login after registration
- Error messages when trying to edit schedules
- Device shows low battery even when fully charged
- App not syncing with devices
- Day of the week not editable in schedule settings
- Machine reverts to factory settings after app changes
- App not showing devices and reporting no network found
- App not allowing sign-in after reinstallation
- Device does not display 'pair code' for Bluetooth
- App asks for Bluetooth password that is not provided or cannot be set
- Cannot get past password set for Bluetooth connection
- App does not recognize home Wi-Fi network
- Bluetooth settings forgotten when phone moves away from machine
- App does not save settings or schedule
- Day of the week should be editable with time and w/p settings
- Settings with machine and app don’t hold
- App not showing devices and not giving a way to add them
- WiFi keeps going offline status on the app
- App does not display 'pair code' for Bluetooth
- App asks for Bluetooth password that is not provided or cannot be set
- Cannot get past password set for Bluetooth connection
- App does not recognize home Wi-Fi network
- Bluetooth settings forgotten when phone moves away from machine
- App does not save settings or schedule
- Day of the week should be editable with time and w/p settings
- Settings with machine and app don’t hold
- App not showing devices and not giving a way to add them
- WiFi keeps going offline status on the app
- App does not display 'pair code' for Bluetooth
- App asks for Bluetooth password that is not provided or cannot be set
- Cannot get past password set for Bluetooth connection
- App does not recognize home Wi-Fi network
- Bluetooth settings forgotten when phone moves away from machine
- App does not save settings or schedule
- Day of the week should be editable with time and w/p settings
- Settings with machine and app don’t hold
- App not showing devices and not giving a way to add them
- WiFi keeps going offline status on the app
Requested features
5 requests- Add more time schedules
- Increase pause limit for schedules
- Add ability to edit day of the week in schedule
- Add more working periods
- Allow programming for the whole week with multiple options
CastLink
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Aroma
No in-app purchases
CastLink
No in-app purchases
