Comparison

Esolar 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

Esolar

Features

Read full description

This app is a free platform. Once you have the Esolar system, you can monitor and optimize your energy use 24/7. It provides you with a comprehensive view of the energy ecosystem. You can view the direction of energy flow and know whether the energy currently used is from photovoltaic, power grid or battery. You can view the real-time power of PV, system, power grid and battery anytime and anywhere. View the load power consumption and revenue, and set the distribution of electricity price for one day. We provide a variety of operation modes for you to choose from, and optimize the use of energy and save money by setting your electricity preferences.

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

Esolar4 screens

TSUN Smart4 screens

Verdict

The call

The clearest difference is iOS requirement: Esolar at 13.0 against TSUN Smart's 15.6. On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

Esolar ships an update every 5 weeks, TSUN Smart every 6 weeks. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

Scorecard1 real difference · 9 level

Esolar versus TSUN Smart: the parameters behind the verdict, then further details
Parameter	Esolar	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 5 weeks — better	Every 6 weeks
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	13.0 — better	15.6
Further details — not scored
Size	77 MB	69 MB
Age rating	4+	4+
Developer	ESY Sunhome Co., Ltd	TSUNESS Co., Ltd

Bugs and requests

Esolar

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

Esolar

No in-app purchases

None

TSUN Smart

No in-app purchases

Questions

Is Esolar free?

Esolar 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 Esolar or TSUN Smart have ads?

Neither Esolar nor TSUN Smart shows ads.

Which is updated more often, Esolar or TSUN Smart?

Esolar ships an update every 5 weeks, and TSUN Smart every 6 weeks. Most recently, Esolar was updated on October 11, 2026 and TSUN Smart on October 17, 2026.