Comparison

ESTAR Enduser vs TSUN Smart

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

Head to head

★ 5.01 ratingsView app →

About

ESTAR Enduser

Features

Read full description

ESTAR is a mobile application developed by for owners of distributed PV power plants, There are more functions, such as module-level monitoring, real-time data display for both plant-level & module-level as well as daily, monthly, annual, and total energy display. Furthermore, you can easily see the alarm information with the equipment, which could assist the owner in monitoring the operation of the PV power plant, ensuring normal operation of the power plant and obtaining of the expected yield.

About

TSUN Smart

Monitor your solar power plants and devices from your mobile. Track real-time and historical generation data, calculate yield, and visualize individual panel performance with a custom layout.

Highlights

Manage multiple solar plants
Add and configure devices
View real-time generation data
Review historical generation data
Calculate solar yield
Build solar panel layouts
Monitor individual panel performance

Features

Read full description

TSUN Smart is a solar plant mornitoring application used by endusers or installers for TSUN products. You are able to manage different plants, add devices, configure the devices in batch, review real-time and historic generation data as well calculate your yield on your mobile phone. In addition, you are able to build a layout of your solar panels and mornitor the perfomance of each panel individually.

Screenshots

ESTAR Enduser3 screens

TSUN Smart4 screens

Verdict

The call

ESTAR Enduser and TSUN Smart are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

ScorecardNo meaningful differences

ESTAR Enduser versus TSUN Smart: the parameters behind the verdict, then further details
Parameter	ESTAR Enduser	TSUN Smart
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Positive reviews	—	18.1% of reviews
Number of ratings	—	1 — better
Update frequency	Every 6 weeks	Every 6 weeks
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	14.0 — better	15.6
Further details — not scored
Size	51 MB	69 MB
Age rating	4+	4+
Developer	JUAN WANG	TSUNESS Co., Ltd

Bugs and requests

ESTAR Enduser

Not enough reviews yet to summarise bugs or requests.

TSUN Smart

Reported bugs

15 issues

Server connection failures preventing data display
Missing daily energy data in monthly summaries
Incorrect total energy calculations
Data frozen or not updating in real-time
App crashes or fails to load

Show 10 more

Verification code not sent during registration
Inverter configuration mode issues
Smart Meter integration causing system type changes
Synchronization problems with multiple micro-inverters
Daily counter resets losing historical data
Inconsistent power readings between panels on same roof
Connection drops between 12-13 hours daily
Data not recorded after app updates
Inverter shows offline despite active production
Micro-inverter pairing failures

Requested features

12 requests

Display daily peak power values consistently
Real-time data updates on demand (pull-to-refresh)
Export data in CSV format
Show maximum inverter capacity information
Email and push notifications for alerts

Show 7 more

Ability to adjust power limits directly in app
Display current firmware version
Monthly and yearly energy generation summaries
Larger chart labels and improved layout
Support for 5GHz WiFi networks
Improved German language translation
Better error messages and user guidance

In-app purchases

None

ESTAR Enduser

No in-app purchases

None

TSUN Smart

No in-app purchases

Questions

Is ESTAR Enduser free?

ESTAR Enduser is free to download, with no in-app purchases.

Is TSUN Smart free?

TSUN Smart is free to download, with no in-app purchases.

Do ESTAR Enduser or TSUN Smart have ads?

Neither ESTAR Enduser nor TSUN Smart shows ads.

Which is updated more often, ESTAR Enduser or TSUN Smart?

ESTAR Enduser ships an update every 6 weeks, and TSUN Smart every 6 weeks. Most recently, ESTAR Enduser was updated on September 18, 2026 and TSUN Smart on September 20, 2026.