# eCompendium App vs TerrainOne

The clearest difference is in-app purchases: eCompendium App at none against TerrainOne's 2. eCompendium App also leads on iOS requirement (12.0 vs 15.1). TerrainOne's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. TerrainOne sells 2 in-app purchases, starting at $3.99 per month. eCompendium App asks for nothing beyond the download.

eCompendium App ships an update every 3 weeks, TerrainOne every 9 days. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | eCompendium App | TerrainOne |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 78.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 62 MB | 87 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [YARRA HOTEL GROUP PTY LTD](https://appshunter.io/developer/1727021036) | [TERRAINONE PTY LTD](https://appshunter.io/developer/1796136378) |

## What reviewers say

### eCompendium App

[App page](https://appshunter.io/ios/app/ecompendium-app/id1635295369)

**Features:** macOS Compatibility

**In-app purchases:** none


### TerrainOne

[App page](https://appshunter.io/ios/app/terrainone/id6741902340)

Discover Australian camping spots and hiking trails with real video reviews. Plan your trips with customisable maps and explore various destinations like campgrounds, waterfalls, and secret locations.

**Highlights:** Real video campground reviews, Customisable exploration modes, Detailed ratings and reviews, Save favorites and plan trips, Discover campgrounds, trails, and swimming holes, Community and critic-driven ratings

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is eCompendium App free?

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

### Is TerrainOne free?

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

### Do eCompendium App or TerrainOne have ads?

Neither eCompendium App nor TerrainOne shows ads.

### Which is updated more often, eCompendium App or TerrainOne?

eCompendium App ships an update every 3 weeks, and TerrainOne every 9 days. Most recently, eCompendium App was updated on October 6, 2026 and TerrainOne on October 21, 2026.

---

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