# ZeroEyes vs 다다르다스터디(Dadareuda Study)

The clearest difference is review sentiment: ZeroEyes at 63% against 다다르다스터디(Dadareuda Study)'s 17%. ZeroEyes also leads on update cadence (fortnightly vs every 3 months). 다다르다스터디(Dadareuda Study)'s advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZeroEyes ships an update fortnightly, 다다르다스터디(Dadareuda Study) every 3 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ZeroEyes | 다다르다스터디(Dadareuda Study) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (8 ratings)](https://appshunter.io/ios/app/zeroeyes/id1532649224/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **63.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | Free |
| Size | 82 MB | 134 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OHRAE Inc.](https://appshunter.io/developer/1161656350) | [Tobesmart,inc](https://appshunter.io/developer/1449538915) |

## What reviewers say

### ZeroEyes

[App page](https://appshunter.io/ios/app/zeroeyes/id1532649224)

Manage membership-based study cafes and shared offices with real-time seat availability checks, pass purchases, and study room reservations.  Offers convenient QR code check-in/out for managers and multiple payment options.

**Highlights:** Real-time seat availability, Pass purchase and extension, Study room reservations, QR code check-in/out, Pass expiration notifications, Guardian alerts

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

**In-app purchases:** none


### 다다르다스터디(Dadareuda Study)

[App page](https://appshunter.io/ios/app/dadareuda-study/id1546131687)

This app offers premium services for members of a study cafe, allowing for mobile reservations, payments, and easy management of study passes and time. Users can book seats, pay with various methods, and extend their sessions or change seats conveniently.

**Highlights:** Mobile reservations, Seamless payment processing, Multiple payment options, Study pass management, Entry and exit control, Time extension, Seat changes

**In-app purchases:** none


## Frequently asked questions

### Is ZeroEyes free?

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

### Is 다다르다스터디(Dadareuda Study) free?

다다르다스터디(Dadareuda Study) is free to download, with no in-app purchases.

### Do ZeroEyes or 다다르다스터디(Dadareuda Study) have ads?

Neither ZeroEyes nor 다다르다스터디(Dadareuda Study) shows ads.

### Which is updated more often, ZeroEyes or 다다르다스터디(Dadareuda Study)?

ZeroEyes ships an update fortnightly, and 다다르다스터디(Dadareuda Study) every 3 months. Most recently, ZeroEyes was updated on October 14, 2026 and 다다르다스터디(Dadareuda Study) on October 6, 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.*