# Hellströms vs SkyMap OnSite

The clearest difference is device support: Hellströms at 3 against SkyMap OnSite's 1. Hellströms also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Hellströms ships an update every 9 months, SkyMap OnSite every 5 months. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Hellströms | SkyMap OnSite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 months** |
| Size | 4 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roxx Communication Group](https://appshunter.io/developer/408833746) | [SkyMap Innovations AB](https://appshunter.io/developer/1423578183) |

## What reviewers say

### Hellströms

[App page](https://appshunter.io/ios/app/hellstroms/id1667838426)

**Features:** macOS Compatibility

**In-app purchases:** none


### SkyMap OnSite

[App page](https://appshunter.io/ios/app/skymap-onsite/id6748066119)

**In-app purchases:** none


## Frequently asked questions

### Is Hellströms free?

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

### Is SkyMap OnSite free?

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

### Do Hellströms or SkyMap OnSite have ads?

Neither Hellströms nor SkyMap OnSite shows ads.

### Which is updated more often, Hellströms or SkyMap OnSite?

Hellströms ships an update every 9 months, and SkyMap OnSite every 5 months. Most recently, Hellströms was updated on September 20, 2026 and SkyMap OnSite on September 24, 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.*