Comparison

KaKey vs 光伏家

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

Head to head
About

KaKey

Features
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Smart Car Key 1. 4G Networking Remote Control App 2. App shares Digital Car Key permision 3. GPS real-time location 4. Passive Entry Passive Start 5. Multiple unlocking options 6. Convenient Car Wash Mode 7. Safe travel, stable and reliable 8.Dedicated to the car Stylish travel

About

光伏家

Features
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Exploring a new era of green energy, we are proud to introduce this innovative application that integrates cutting-edge microinverter (microinverter) technology, tailored for the new energy sector and the photovoltaic industry. In today's pursuit of sustainable development, our application not only represents the progress of technology, but also a beautiful vision for a clean energy life in the future. Through the use of advanced micro-inverter technology, we have achieved accurate monitoring and management of each photovoltaic panel, which greatly improves the power generation efficiency and reliability of the photovoltaic system. With its modular design, plug-and-play convenience, and intelligent adjustment ability to environmental factors such as shadow occlusion and dust covering, micro-inverter technology ensures that even under complex and changeable conditions, it can maximize energy output and bring users sustainable and stable green income. Our application not only provides real-time energy production monitoring, fault warning and remote maintenance functions, but also integrates intelligent data analysis tools to help users gain an in-depth understanding of the operation status of their photovoltaic systems, optimize energy allocation, achieve energy conservation and emission reduction, and open up a green channel to the goal of carbon neutrality for individual or enterprise users. Join us to embrace the future of new energy, light up green life with the power of science and technology, and contribute to the sustainable development of the earth. Download now to start your micro-inverter PV journey and create a new chapter of zero carbon!

Screenshots

KaKey4 screens
光伏家4 screens

Verdict

The call

KaKey and 光伏家 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

KaKey ships an update monthly, 光伏家 every 6 weeks. The most recent releases landed on October 8, 2026 and September 10, 2026 respectively.

ScorecardNo meaningful differences
KaKey versus 光伏家: the parameters behind the verdict, then further details
ParameterKaKey光伏家
PriceFreeFree
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.013.0 — better
Further details — not scored
Size76 MB45 MB
Age rating17+4+
DeveloperShenzhen Lingdu Auto Electronics Co., Ltd.XIAMEN CHENNENG INFO TECH CO.,LTD.

In-app purchases

None

KaKey

No in-app purchases

None

光伏家

No in-app purchases

Questions

Is KaKey free?
KaKey is free to download, with no in-app purchases.
Is 光伏家 free?
光伏家 is free to download, with no in-app purchases.
Do KaKey or 光伏家 have ads?
Neither KaKey nor 光伏家 shows ads.
Which is updated more often, KaKey or 光伏家?
KaKey ships an update monthly, and 光伏家 every 6 weeks. Most recently, KaKey was updated on October 8, 2026 and 光伏家 on September 10, 2026.

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