# ELSystemet vs Flagdag

The clearest difference is in-app purchases: Flagdag at none against ELSystemet's 1. Flagdag also leads on ads (none vs shown). ELSystemet's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. ELSystemet sells 1 one-off in-app purchase. Flagdag asks for nothing beyond the download.

ELSystemet ships an update monthly, Flagdag every 2 months. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ELSystemet | Flagdag |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 42 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brian Bentzen](https://appshunter.io/developer/898583244) | [Jesper Esbensen](https://appshunter.io/developer/1054301362) |

## What reviewers say

### ELSystemet

[App page](https://appshunter.io/ios/app/elsystemet/id1029808319)

This app provides real-time data on electricity production in Denmark, showing the flow between regions and neighboring countries. It features graphs for the last 24 hours or 7 days of production and a CO2 forecast for the next day.

**Highlights:** Real-time electricity production data, Inter-regional and international flow visualization, 24-hour and 7-day production graphs, CO2 forecast for the next 24 hours, Data sourced from energinet.dk

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Adds | $0.99 | one-time |


### Flagdag

[App page](https://appshunter.io/ios/app/flagdag/id1054301363)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ELSystemet free?

ELSystemet is free to download, with in-app purchases available.

### Is Flagdag free?

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

### Do ELSystemet or Flagdag have ads?

ELSystemet shows ads; Flagdag does not.

### Which is updated more often, ELSystemet or Flagdag?

ELSystemet ships an update monthly, and Flagdag every 2 months. Most recently, ELSystemet was updated on September 14, 2026 and Flagdag on September 10, 2026.

---

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