Comparison

iSmartBulb vs ZSmart

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iSmartBulb

Control smart lights through a connected gateway. Create custom scenes to manage multiple lights at once or control individual lights within specific areas. Personalize the app's look with custom images.

Highlights
  • Scene control for multiple lights
  • Area control for individual lights
  • Customizable scene and area images
  • Database synchronization across devices
Read full description

The application is to control different lights by connected gateway. Features include scene and area control. a.Scene control: User can add different light and its status in scene. Then click the scene to control all lights inside scene. b.Area control: User can control individual light in different area. And the application also can a. Set the picutre of scene, area and loading menu. b. Synchronize database between 2 devices.

About

ZSmart

Control and manage your ZKTeco smart home devices from a single app. Monitor security cameras, locks, and alarms, and automate lighting and plugs with voice commands via compatible smart assistants.

Highlights
  • Remote lock and unlock management
  • Real-time security camera viewing
  • See and speak to visitors via video doorbell
  • Smart alarm system control
  • Adjustable smart bulb brightness and color
  • Automated smart plug scheduling
  • Voice control with Amazon Echo/Google Nest
Features
Read full description

ZKTeco's smart home security system is an all-in-one IoT solution for the end users. Benefited from this smart and powerful system, we could enjoy a seamless experience with various smart home devices in one mobile App -- ZSmart. More importantly, when paired with a compatible Amazon Echo or Google Nest device, you can enjoy full hands-free control with voice commands. With ZSmart App, you can manage and control all the products in one App: - Smart Door Lock: Unlock and manage the lock from anywhere - Security Camera: View surveillance videos in real time - Video Doorbell: See & speak to visitors from anywhere - Alarm System: Protect the house with smart alarm system - Smart Bulb: Change the brightness or color as need - Smart Plug: Turn on or off automatically at a specific schedule - Smart Light Switch: Switch on or off anytime, anywhere

Screenshots

iSmartBulb2 screens
ZSmart4 screens

Verdict

The call

The clearest difference is rating: ZSmart at 4.4 against iSmartBulb's 2.3. ZSmart also leads on ratings volume (118 vs 3). iSmartBulb's advantage is update cadence (every 2 months vs every 8 months) and iOS requirement (8.0 vs 14.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ZSmart holds the better App Store score, 4.4 against 2.3. That said, the two scores are not equally well evidenced: ZSmart has 118 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

iSmartBulb ships an update every 2 months, ZSmart every 8 months. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
iSmartBulb versus ZSmart: the parameters behind the verdict, then further details
ParameteriSmartBulbZSmart
PriceFreeFree
Rating2.3 (3 ratings)4.4 (118 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings3118 — better
Update frequencyEvery 2 months — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better14.0
Further details — not scored
Size51 MB202 MB
Age rating4+4+
Developer云江 王ZKTeco Inc.

Customer experience

iSmartBulb

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%

ZSmart

All ratings118 ratings
Positive87.3%
Neutral3.4%
Negative9.3%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

iSmartBulb

No in-app purchases

None

ZSmart

No in-app purchases

Questions

Is iSmartBulb free?
iSmartBulb is free to download, with no in-app purchases.
Is ZSmart free?
ZSmart is free to download, with no in-app purchases.
Which has better reviews, iSmartBulb or ZSmart?
ZSmart is rated higher. iSmartBulb averages 2.3 out of 5 from 3 ratings, while ZSmart averages 4.4 from 118 ratings.
Do iSmartBulb or ZSmart have ads?
Neither iSmartBulb nor ZSmart shows ads.
Which is updated more often, iSmartBulb or ZSmart?
iSmartBulb ships an update every 2 months, and ZSmart every 8 months. Most recently, iSmartBulb was updated on October 24, 2026 and ZSmart on October 24, 2026.

Other comparisons