# Mars Climate vs Phobias Guide..

The clearest difference is in-app purchases: Mars Climate at none against Phobias Guide..'s 2. Mars Climate also leads on ads (none vs shown). Phobias Guide..'s advantage is update cadence (every 2 weeks vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Phobias Guide.. sells 2 in-app purchases, starting at $1.99 per month. Mars Climate asks for nothing beyond the download.

Mars Climate ships an update every 12 months, Phobias Guide.. every 2 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mars Climate | Phobias Guide.. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/mars-climate/id1492603998/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 156 MB |
| Requires iOS | 13.2 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DJ Brunk](https://appshunter.io/developer/1470869355) | [Olga Ivanova](https://appshunter.io/developer/1733570435) |

## What reviewers say

### Mars Climate

[App page](https://appshunter.io/ios/app/mars-climate/id1492603998)

Explore the daily weather patterns and climate conditions on the planet Mars. This educational application provides insights into Martian atmospheric data.

**Highlights:** Daily Martian climate information, Educational content about Mars, Planet exploration insights

**Features:** macOS Compatibility

**In-app purchases:** none


### Phobias Guide..

[App page](https://appshunter.io/ios/app/phobias-guide/id6742685294)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| phobias_by_oliva_subscription | $1.99 | per month |
| phobias_by_oliva_donation | $1.99 | one-time |


## Frequently asked questions

### Is Mars Climate free?

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

### Is Phobias Guide.. free?

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

### Do Mars Climate or Phobias Guide.. have ads?

Phobias Guide.. shows ads; Mars Climate does not.

### Which is updated more often, Mars Climate or Phobias Guide..?

Mars Climate ships an update every 12 months, and Phobias Guide.. every 2 weeks. Most recently, Mars Climate was updated on November 3, 2026 and Phobias Guide.. on October 25, 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.*