Comparison

21energy vs Yro Smart

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

Head to head

21energy

Heater Setup and Configuration

About

21energy

Easily set up and configure your Ofen and Ofen Pro heaters. Connect your device via Bluetooth to your local WiFi and manage your mining pool settings with just a few taps.

Highlights

Easy setup and configuration
Bluetooth connectivity
WiFi connection
Mining pool configuration
Ofen and Ofen Pro support

Read full description

The 21energy app is the easiest way to setup and configure your Ofen and Ofen Pro with just a few taps. Connect your heater via Bluetooth to your local WiFi and configure your mining pool.

About

Yro Smart

Read full description

Yro Smart, Your Reliable Option 1. Remote control: control home appliances from anywhere 2. Simultaneously control: control multiple devices with one App 3. Timer: set timer to perform multiple functions 4. Device sharing: One tap to share devices among family members 5. Easy connection: easily and quickly connect App to devices

Screenshots

21energy4 screens

Yro Smart4 screens

Verdict

The call

The clearest difference is update cadence: 21energy at fortnightly against Yro Smart's every 8 months. 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

21energy ships an update fortnightly, Yro Smart every 8 months. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

Scorecard1 real difference · 7 level

21energy versus Yro Smart: the parameters behind the verdict, then further details
Parameter	21energy	Yro Smart
Price	Free	Free
Positive reviews	16.7% of reviews	—
Update frequency	Fortnightly — better	Every 8 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.0	14.0 — better
Further details — not scored
Size	43 MB	191 MB
Age rating	4+	12+
Developer	21energy GmbH	ZHEJIANG YRO NEW ENERGY CO.,LTD.

In-app purchases

None

21energy

No in-app purchases

None

Yro Smart

No in-app purchases

Questions

Is 21energy free?

21energy is free to download, with no in-app purchases.

Is Yro Smart free?

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

Do 21energy or Yro Smart have ads?

Neither 21energy nor Yro Smart shows ads.

Which is updated more often, 21energy or Yro Smart?

21energy ships an update fortnightly, and Yro Smart every 8 months. Most recently, 21energy was updated on October 20, 2026 and Yro Smart on October 5, 2026.