# DEFA Power vs OmaLumme

The clearest difference is rating: OmaLumme at 4.0 against DEFA Power's 2.0. On price, ratings volume, update cadence and ads there is nothing between them.

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

OmaLumme holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

DEFA Power ships an update every 2 weeks, OmaLumme every 3 weeks. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | DEFA Power | OmaLumme |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/defa-power/id6443797468/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/omalumme/id6444796800/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 94 MB | 25 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DEFA AS](https://appshunter.io/developer/452232242) | [Lumme Energia Oy](https://appshunter.io/developer/1533401447) |

## What reviewers say

### DEFA Power

[App page](https://appshunter.io/ios/app/defa-power/id6443797468)

Manage your electric vehicle charging with this app. Monitor charger status, control charging remotely, and optimize charging times for cost savings. Secure your charger and manage access for others.

**Highlights:** Monitor charger status, Remote charging control, Cost optimization with PowerSmart, View charging history and cost, Lock charger or share access, RFID key integration

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### OmaLumme

[App page](https://appshunter.io/ios/app/omalumme/id6444796800)

Manage your energy consumption, contracts, and bills with this service. Track electricity prices by the hour and activate smart features for deeper insights into your home's energy usage.

**Highlights:** View customer account details, Monitor energy consumption, Track contracts and bills, View hourly electricity prices, Activate smart energy features

**In-app purchases:** none


## Frequently asked questions

### Is DEFA Power free?

DEFA Power is free to download, with no in-app purchases.

### Is OmaLumme free?

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

### Which has better reviews, DEFA Power or OmaLumme?

OmaLumme is rated higher. DEFA Power averages 2.0 out of 5 from 1 ratings, while OmaLumme averages 4.0 from 2 ratings.

### Do DEFA Power or OmaLumme have ads?

Neither DEFA Power nor OmaLumme shows ads.

### Which is updated more often, DEFA Power or OmaLumme?

DEFA Power ships an update every 2 weeks, and OmaLumme every 3 weeks. Most recently, DEFA Power was updated on October 24, 2026 and OmaLumme on October 2, 2026.

---

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