# Kärnfull Price vs Bumper DV

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | Kärnfull Price | Bumper DV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/karnfull-price/id1645459280/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 9 MB | 9 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kim Ahlberg](https://appshunter.io/developer/1545434417) | [Shenzhen Yilushi Technology Co.,ltd](https://appshunter.io/developer/1760309976) |

## What reviewers say

### Kärnfull Price

[App page](https://appshunter.io/ios/app/karnfull-price/id1645459280)

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:** macOS Compatibility

**In-app purchases:** none


### Bumper DV

[App page](https://appshunter.io/ios/app/bumper-dv/id6503339051)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*