SW16A vs Scent Harmony
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SW16A
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This is a smart device control APP launched by Shenzhen Hilink Electronics Co., Ltd. It integrates multiple functions and flexibly controls 16 relays. 1. One-key distribution network; 2. Device sharing; 3. Local area network control; 4. Remote control; 5. Device editing; 6, switch control; 7. Timing control; 8, jog control; 9. Scene control 10. Group control, data synchronization.
Scent Harmony
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Through simple and convenient Bluetooth function, users can easily set the working time and fragrance concentration of
Screenshots
Verdict
The clearest difference is update cadence: SW16A at every 9 days against Scent Harmony's every 11 months. Scent Harmony's advantage is iOS requirement (9.0 vs 12.0). 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.
SW16A ships an update every 9 days, Scent Harmony every 11 months. The most recent releases landed on September 14, 2026 and May 17, 2026 respectively.
| Parameter | SW16A | Scent Harmony |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 4 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Hi-Link Electronic co.,Ltd | Immaculate Nduta |
In-app purchases
SW16A
No in-app purchases
Scent Harmony
No in-app purchases
