# Meteotrek vs MarsES

The clearest difference is update cadence: MarsES at every 4 months against Meteotrek's every 31 months. MarsES also leads on device support and iOS requirement (12.0 vs 15.1). On price 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.

Meteotrek ships an update every 31 months, MarsES every 4 months. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Meteotrek | MarsES |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 31 months | **Every 4 months** |
| Size | 35 MB | 192 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [IT INNOVATIONS](https://appshunter.io/developer/1263866179) | [卓文 梁](https://appshunter.io/developer/1759304348) |

## What reviewers say

### Meteotrek

[App page](https://appshunter.io/ios/app/meteotrek/id1610089259)

**In-app purchases:** none


### MarsES

[App page](https://appshunter.io/ios/app/marses/id6578447579)

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

**In-app purchases:** none


## Frequently asked questions

### Is Meteotrek free?

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

### Is MarsES free?

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

### Which is updated more often, Meteotrek or MarsES?

Meteotrek ships an update every 31 months, and MarsES every 4 months. Most recently, Meteotrek was updated on October 13, 2026 and MarsES on September 29, 2026.

---

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