Comparison

Esolar vs TapCard

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

Head to head

About

Esolar

Features

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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

TapCard

Features

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想要让您的零售店业务更高效，副屏 APP 是您的最佳选择！本应用可通过 Wi-Fi 连接同步与您的收银软件，让您的ipad变成电脑的第二屏，将商品和价格等信息实时同步，高效快捷。支持全屏。让副屏 APP 成为您零售业务中的得力助手，提高您的运营效率，获得更多客户的信任与支持！

Screenshots

Esolar4 screens

TapCard1 screens

Verdict

The call

Esolar and TapCard 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

Esolar ships an update every 5 weeks, TapCard every 2 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

ScorecardNo meaningful differences

Esolar versus TapCard: the parameters behind the verdict, then further details
Parameter	Esolar	TapCard
Price	Free	Free
Update frequency	Every 5 weeks — better	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0	12.4 — better
Further details — not scored
Size	77 MB	30 MB
Age rating	4+	4+
Developer	ESY Sunhome Co., Ltd	家宁刘

In-app purchases

None

Esolar

No in-app purchases

None

TapCard

No in-app purchases

Questions

Is Esolar free?

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

Is TapCard free?

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

Do Esolar or TapCard have ads?

Neither Esolar nor TapCard shows ads.

Which is updated more often, Esolar or TapCard?

Esolar ships an update every 5 weeks, and TapCard every 2 months. Most recently, Esolar was updated on October 11, 2026 and TapCard on October 7, 2026.