# Unterra vs ExoWorld

The clearest difference is update cadence: ExoWorld at every 2 days against Unterra's every 4 days. ExoWorld also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Unterra sells 3 in-app purchases, starting at $1.99 per month and ExoWorld sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Unterra ships an update every 4 days, ExoWorld every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Unterra | ExoWorld |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/unterra/id6780282962/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 58 MB | 353 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [NPDesigned LLC](https://appshunter.io/developer/1659684889) | [Epicsoft s.r.o.](https://appshunter.io/developer/1813452033) |

## What reviewers say

### Unterra

[App page](https://appshunter.io/ios/app/unterra/id6780282962)

This app creates a personal map of your real-world travels, revealing fog as you explore new streets, cities, and countries. Track your progress, earn badges for milestones, and customize your exploration experience.

**Highlights:** Personalized exploration map, Fog reveals as you travel, Tracks roads, cities, states, and countries, Earn badges for exploration milestones, Customizable reveal radius, Metric and imperial units

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unterra Pro - Monthly | $1.99 | per month |
| Unterra Pro | $14.99 | per year |
| Unterra Pro - Lifetime | $49.99 | one-time |


### ExoWorld

[App page](https://appshunter.io/ios/app/exoworld-walk-and-explore/id6797807544)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ExoWorld+ | $3.99 | per month |
| ExoWorld+ | $24.99 | per year |


## Frequently asked questions

### Is Unterra free?

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

### Is ExoWorld free?

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

### Do Unterra or ExoWorld have ads?

Neither Unterra nor ExoWorld shows ads.

### Which is updated more often, Unterra or ExoWorld?

Unterra ships an update every 4 days, and ExoWorld every 2 days. Most recently, Unterra was updated on October 31, 2026 and ExoWorld 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.*