# 구루미 캠스터디 vs Relief's Map

The clearest difference is rating: Relief's Map at 3.4 against 구루미 캠스터디's 1.0. Relief's Map also leads on review sentiment (51% vs 18%) and ratings volume (14 vs 1). 구루미 캠스터디's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence, monetization model and device support there is nothing between them.

Both are free to download. Relief's Map sells 2 in-app purchases, starting at $2.49 per month. 구루미 캠스터디 asks for nothing beyond the download.

Relief's Map holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: Relief's Map has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 18% of 구루미 캠스터디's written reviews are positive against 51% of Relief's Map's.

구루미 캠스터디 ships an update every 5 weeks, Relief's Map every 3 weeks. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 구루미 캠스터디 | Relief's Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id1126701514/reviews) | **[3.4 (14 ratings)](https://appshunter.io/ios/app/reliefs-map/id1500120201/reviews)** |
| Number of ratings | 1 | **14** |
| Positive reviews | 18.5% of reviews | **50.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 104 MB |
| Requires iOS | **14.3** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [gooroomee Co., Ltd](https://appshunter.io/developer/1126701513) | [sPresto Corp.](https://appshunter.io/developer/1500120200) |

## What reviewers say

### 구루미 캠스터디

[App page](https://appshunter.io/ios/app/id1126701514)

This app provides a free, focused study environment for up to four users simultaneously. Easily join or create study groups using your smartphone or PC camera. Track your study time with a built-in stopwatch to improve your habits and make learning more engaging.

**Highlights:** Free 4-person video study rooms, Easy participation via smartphone or PC camera, Study time recording with stopwatch, Improved focus and engagement, Public and private study group options

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

**In-app purchases:** none


### Relief's Map

[App page](https://appshunter.io/ios/app/reliefs-map/id1500120201)

Detect hidden cameras using AI, electromagnetic fields, and infrared. Share detection results and find information on public toilets, including their rating for illegal recording risks.

**Highlights:** Hidden camera detection (AI, EMF, IR), Spy camera detection, PRO mode AI detection, Detection results map, Public toilet information, Suspicion rating for recording risk

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription (1 Month) | $2.49 | per month |
| Yearly Subscription (1 Year) | $24.99 | per year |


## Frequently asked questions

### Is 구루미 캠스터디 free?

구루미 캠스터디 is free to download, with no in-app purchases.

### Is Relief's Map free?

Relief's Map is free to download, with in-app purchases available.

### Which has better reviews, 구루미 캠스터디 or Relief's Map?

Relief's Map is rated higher. 구루미 캠스터디 averages 1.0 out of 5 from 1 ratings, while Relief's Map averages 3.4 from 14 ratings.

### Do 구루미 캠스터디 or Relief's Map have ads?

Relief's Map shows ads; 구루미 캠스터디 does not.

### Which is updated more often, 구루미 캠스터디 or Relief's Map?

구루미 캠스터디 ships an update every 5 weeks, and Relief's Map every 3 weeks. Most recently, 구루미 캠스터디 was updated on October 26, 2026 and Relief's Map on October 20, 2026.

---

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