# Mars LTE vs Historeum

The clearest difference is in-app purchases: Mars LTE at none against Historeum's 3. Mars LTE also leads on ads (none vs shown). Historeum's advantage is update cadence (every 3 weeks vs every 27 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Historeum sells 3 in-app purchases, starting at $4.99 per month. Mars LTE asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Mars LTE against 5.0 for Historeum. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Mars LTE ships an update every 27 months, Historeum every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mars LTE | Historeum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mars-lte/id1623085876/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/historeum/id6759834643/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 96 MB |
| Requires iOS | 15.4 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Taylan Atasoy](https://appshunter.io/developer/1204464263) | [HistorySim LLC](https://appshunter.io/developer/1881069671) |

## What reviewers say

### Mars LTE

[App page](https://appshunter.io/ios/app/mars-lte/id1623085876)

Explore Mars with detailed information about the Perseverance rover's mission. Learn about its search for ancient life, sample collection, and technology testing for future human exploration. Discover the Ingenuity helicopter's groundbreaking flight capabilities.

**Highlights:** Perseverance rover mission details, Search for ancient microbial life, Core sample collection and storage, Technology testing for human exploration, Ingenuity helicopter flight information

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

**In-app purchases:** none


### Historeum

[App page](https://appshunter.io/ios/app/historeum/id6759834643)

Explore history through interactive courses and primary sources. Access curated lectures with rich historical imagery and documents. A premium learning experience for history enthusiasts.

**Highlights:** Interactive history courses, Primary source documents, Museum-grade historical images, Curated learning content, American Revolution course

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HistorySim Pro Monthly Historeum | $4.99 | per month |
| HistorySim Pro Monthly | $14.99 | per month |
| HistorySim Pro Annual | $26.99 | per year |


## Frequently asked questions

### Is Mars LTE free?

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

### Is Historeum free?

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

### Which has better reviews, Mars LTE or Historeum?

Mars LTE and Historeum are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Mars LTE or Historeum have ads?

Historeum shows ads; Mars LTE does not.

### Which is updated more often, Mars LTE or Historeum?

Mars LTE ships an update every 27 months, and Historeum every 3 weeks. Most recently, Mars LTE was updated on November 3, 2026 and Historeum on October 31, 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.*