Della+ vs Sifely Smart Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Della+
Control smart home appliances remotely for optimal comfort and energy efficiency. Adjust settings, automate temperature based on location, and integrate with voice assistants for a seamless living experience.
- Remote appliance control
- Smart feature integration
- Energy efficiency
- Voice assistant compatibility (Alexa, Google Assistant)
- WiFi connectivity
- GeoFence temperature adjustment
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DELLA believes your home should always feel just right. Our appliances combine smart features, energy efficiency, and sleek designs to create a sustainable living environment. Compatible with Alexa and Google Assistant, the DELLA+ app offers complete control via your smartphone, with seamless WiFi and GeoFence functionality that adjusts temperature as you return home. With DELLA, you can dial in perfect comfort from anywhere and have your best home.
Sifely Smart Lock
Manage access to your property remotely. Create temporary passcodes, grant fingerprint access, and send digital keys to guests or residents. Control all access methods from a single, intuitive interface.
- Create passcodes
- Add gateways
- Add fingerprints
- Send eKeys
- Manage all access methods in one app
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Sifely Smart Lock is a great solution for rental property management, Airbnb short-term rental hosts, and self-housing resident. One can easily create passcodes, add gateways, add fingerprints and send eKeys with Sifely Smart Lock. It manages all codes, gateways, fingerprints and eKeys in one app.
Screenshots
Verdict
The clearest difference is rating: Della+ at 3.6 against Sifely Smart Lock's 2.6. Della+ also leads on ratings volume (435 vs 88) and iOS requirement (13.0 vs 15.1). Sifely Smart Lock's advantage is update cadence (every 3 weeks vs every 3 months) and review sentiment (23% vs 9%). On price, ads, in-app purchases and monetization model 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.
Della+ holds the better App Store score, 3.6 against 2.6. Both are backed by a comparable volume of ratings — 435 and 88 respectively. Written reviews complicate that: 9% of Della+'s written reviews are positive against 23% of Sifely Smart Lock's, so the app with the better star average is not the one people write more warmly about.
Della+ ships an update every 3 months, Sifely Smart Lock every 3 weeks. Both last shipped on October 30, 2026.
| Parameter | Della+ | Sifely Smart Lock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (435 ratings) — better | 2.6 (88 ratings) |
| Positive reviews | 9.4% of reviews | 22.6% of reviews — better |
| Number of ratings | 435 — better | 88 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 241 MB | 102 MB |
| Age rating | 12+ | 4+ |
| Developer | Align Inc. (CA) | Sifely |
Customer experience
Della+
Sifely Smart Lock
Bugs and requests
Della+
Reported bugs
4 issues- App freezes or becomes unresponsive
- Fails to connect to devices
- Loses saved settings and configurations
- Displays incorrect or inconsistent information
Requested features
6 requests- Add ability to increase temperature
- Restore removed features
- Improve app stability and reliability
- Enhance user interface and controls
- Add support for more device models
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- Provide better customer support
Sifely Smart Lock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Della+
No in-app purchases
Sifely Smart Lock
No in-app purchases
