Comparison

Smart Solar vs Eink Clock

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

Head to head

About

Smart Solar

Monitor and manage your solar energy devices with this application. It currently supports specific MPPT chargers and inverters, providing insights into your solar energy system's performance.

Highlights

Solar device management
Energy monitoring
MPPT Charger support
Inverter GTIL2-Sun support
Performance insights

Features

Read full description

Smart Solar is an application that helps you manage and monitor solar energy devices. Currently supported devices include: - MPPT Charger Manh Quan - Inverter GTIL2-Sun

About

Eink Clock

Features

Read full description

- Ứng dụng này dùng để cài đặt và thiết kế màn hình cho đồng hồ eink - Cập nhật firmware nhanh chóng qua app ble - Chợ hiệu ứng để tải các thiết kế mới nhất do cộng đồng up lên - Và rất nhiều chức năng khác chờ bạn khám phá

Screenshots

Smart Solar4 screens

Eink Clock4 screens

Verdict

The call

The clearest difference is update cadence: Eink Clock at every 4 days against Smart Solar's every 6 weeks. On price, ads, in-app purchases and device support 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

Smart Solar ships an update every 6 weeks, Eink Clock every 4 days. The most recent releases landed on September 16, 2026 and September 29, 2026 respectively.

Scorecard1 real difference · 7 level

Smart Solar versus Eink Clock: the parameters behind the verdict, then further details
Parameter	Smart Solar	Eink Clock
Price	Free	Free
Positive reviews	100.0% of reviews	—
Update frequency	Every 6 weeks	Every 4 days — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	30 MB	36 MB
Age rating	4+	4+
Developer	Anh Tuan Nguyen	VAN NGUYEN DAO

In-app purchases

None

Smart Solar

No in-app purchases

None

Eink Clock

No in-app purchases

Questions

Is Smart Solar free?

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

Is Eink Clock free?

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

Do Smart Solar or Eink Clock have ads?

Neither Smart Solar nor Eink Clock shows ads.

Which is updated more often, Smart Solar or Eink Clock?

Smart Solar ships an update every 6 weeks, and Eink Clock every 4 days. Most recently, Smart Solar was updated on September 16, 2026 and Eink Clock on September 29, 2026.