Comparison

Kärnfull Price vs Bumper DV

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

Head to head

Kärnfull Price

Kärnfull Energi hourly prices

Free

🔧 Utilities

★ 5.01 ratingsView app →

About

Kärnfull Price

Access real-time hourly electricity prices and receive notifications for your region. Utilize widgets to display current prices directly on your device's home or lock screen.

Highlights

Hourly electricity price viewing
Home screen widgets
Lock screen widgets
Price change notifications
Region-specific pricing

Features

Read full description

View Kärnfull Energi’s hourly electricity prices in the app or use widgets to see them directly on your Lock Screen or Home screen. The app can also notify you when new prices become available for your region.

About

Bumper DV

Features

Read full description

The software provides the control and display functions of the toy drone and innovatively provides a variety of control methods. Designed for global users.

Screenshots

Kärnfull Price4 screens

Bumper DV3 screens

Verdict

The call

The clearest difference is update cadence: Kärnfull Price at every 6 weeks against Bumper DV's every 7 months. Bumper DV's advantage is iOS requirement (13.0 vs 16.0). 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

Kärnfull Price ships an update every 6 weeks, Bumper DV every 7 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 7 level

Kärnfull Price versus Bumper DV: the parameters behind the verdict, then further details
Parameter	Kärnfull Price	Bumper DV
Price	Free	Free
Rating	5.0 (1 ratings) — better	—
Number of ratings	1 — better	—
Update frequency	Every 6 weeks — better	Every 7 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	16.0	13.0 — better
Further details — not scored
Size	9 MB	9 MB
Age rating	4+	4+
Developer	Kim Ahlberg	Shenzhen Yilushi Technology Co.,ltd

In-app purchases

None

Kärnfull Price

No in-app purchases

None

Bumper DV

No in-app purchases

Questions

Is Kärnfull Price free?

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

Is Bumper DV free?

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

Do Kärnfull Price or Bumper DV have ads?

Neither Kärnfull Price nor Bumper DV shows ads.

Which is updated more often, Kärnfull Price or Bumper DV?

Kärnfull Price ships an update every 6 weeks, and Bumper DV every 7 months. Most recently, Kärnfull Price was updated on November 3, 2026 and Bumper DV on November 4, 2026.