# 回音秘境 vs Terria

The clearest difference is in-app purchases: 回音秘境 at none against Terria's 3. 回音秘境 also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Terria sells 3 in-app purchases, starting at $1.99 per month. 回音秘境 asks for nothing beyond the download.

## The numbers

| Metric | 回音秘境 | Terria |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 25 MB | 45 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Language Interactive Network Technology](https://appshunter.io/developer/1831911000) | [潮 胡](https://appshunter.io/developer/6808269126) |

## What reviewers say

### 回音秘境

[App page](https://appshunter.io/ios/app/id6757393382)

**Features:** macOS Compatibility

**In-app purchases:** none


### Terria

[App page](https://appshunter.io/ios/app/terria/id6812011583)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Terria Pro Monthly | $1.99 | per month |
| Terria Pro Annual | $12.99 | per year |
| Terria Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is 回音秘境 free?

回音秘境 is free to download, with no in-app purchases.

### Is Terria free?

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

### Do 回音秘境 or Terria have ads?

Neither 回音秘境 nor Terria shows ads.

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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.*