# 수집(sou.zip) vs SightEcho

The clearest difference is in-app purchases: 수집(sou.zip) at none against SightEcho's 6. SightEcho's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. SightEcho sells 6 in-app purchases, starting at $6.99 per month. 수집(sou.zip) asks for nothing beyond the download.

수집(sou.zip) ships an update every 2 weeks, SightEcho weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 수집(sou.zip) | SightEcho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sightecho-ai-travel-guide/id6764697758/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 61 MB | 51 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juseong Park](https://appshunter.io/developer/1876170536) | [Hyun Han](https://appshunter.io/developer/1895883436) |

## What reviewers say

### 수집(sou.zip)

[App page](https://appshunter.io/ios/app/souzip/id6757256797)

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

**In-app purchases:** none


### SightEcho

[App page](https://appshunter.io/ios/app/sightecho-ai-travel-guide/id6764697758)

Discover landmarks, museums, and historic sites with an AI-powered guide. Simply take a photo to receive an instant explanation and listen to the story in natural audio. Save and share your travel memories.

**Highlights:** AI-powered photo recognition, Instant audio explanations, 21 language narration, Save and organize memories, Share travel stories, Free credits included

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SightEcho Plus | $6.99 | per month |
| SightEcho Pro | $12.99 | per month |
| Starter Pack | $1.99 | one-time |
| Standard Pack | $6.99 | one-time |
| Power Pack | $12.99 | one-time |
| Premium Pack | $25.99 | one-time |


## Frequently asked questions

### Is 수집(sou.zip) free?

수집(sou.zip) is free to download, with no in-app purchases.

### Is SightEcho free?

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

### Do 수집(sou.zip) or SightEcho have ads?

Both 수집(sou.zip) and SightEcho show ads.

### Which is updated more often, 수집(sou.zip) or SightEcho?

수집(sou.zip) ships an update every 2 weeks, and SightEcho weekly. Most recently, 수집(sou.zip) was updated on October 25, 2026 and SightEcho on October 28, 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.*