# Solsystemet vs Lukas

The clearest difference is update cadence: Lukas at weekly against Solsystemet's every 2 months. Solsystemet's advantage is iOS requirement (12.0 vs 15.1). 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.

Solsystemet ships an update every 2 months, Lukas weekly. The most recent releases landed on September 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Solsystemet | Lukas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 41 MB | 50 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Bitlla AB](https://appshunter.io/developer/1300677442) | [Alteri Care AB](https://appshunter.io/developer/1549865489) |

## What reviewers say

### Solsystemet

[App page](https://appshunter.io/ios/app/solsystemet/id1481715555)

**In-app purchases:** none


### Lukas

[App page](https://appshunter.io/ios/app/lukas-digital-elevhalsa/id6751188528)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solsystemet free?

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

### Is Lukas free?

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

### Do Solsystemet or Lukas have ads?

Neither Solsystemet nor Lukas shows ads.

### Which is updated more often, Solsystemet or Lukas?

Solsystemet ships an update every 2 months, and Lukas weekly. Most recently, Solsystemet was updated on September 17, 2026 and Lukas on September 27, 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.*