# Cosduck vs Prommuni

The clearest difference is rating: Prommuni at 5.0 against Cosduck's 3.3. Prommuni also leads on ads (none vs shown) and monetization model (free vs ad-supported). Cosduck's advantage is update cadence (every 3 days vs every 4 weeks) and ratings volume (45 vs 3). On price, in-app purchases and device support there is nothing between them.

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

Prommuni holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Cosduck has 45 ratings behind it against 3, so its average is the more settled of the two.

Cosduck ships an update every 3 days, Prommuni every 4 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cosduck | Prommuni |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (45 ratings)](https://appshunter.io/ios/app/cosduck/id6737409665/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/prommuni/id6747644654/reviews)** |
| Number of ratings | **45** | 3 |
| Positive reviews | 36.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 60 MB | 74 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [마야크루](https://appshunter.io/developer/1242322359) | [Prommuni, LLC](https://appshunter.io/developer/1821530367) |

## What reviewers say

### Cosduck

[App page](https://appshunter.io/ios/app/cosduck/id6737409665)

Discover and participate in K-Beauty collaborations. Link your social media to apply for campaigns, receive products, and post reviews to unlock more exclusive opportunities.

**Highlights:** Quick social media sign-up, Browse and select campaigns, Receive K-Beauty products, Post product reviews, Unlock exclusive campaigns, Increase membership level

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

**In-app purchases:** none

**What reviewers like**

- 💸 Quick reimbursement for products
- 📦 Free products in exchange for videos
- 💖 Good for micro-influencers
- 👍 Easy submission for uploads
- 🌟 Genuine collaborations offered

**What reviewers complain about**

- 📱 App is blank/empty
- 📉 Shift to TikTok Shop affiliates only
- ✋ High requirements for campaigns (e.g., 5 videos for 1 lipstick)
- 🚫 Region not allowed error
- ❌ Permission denied error when applying

**Reported bugs**

- App is blank after approval
- Error: regionnotallowed
- Permission denied error when applying
- App glitches, screen goes blank
- Cannot log in, keeps asking to log in

**Requested features**

- Support for non-TikTok Shop affiliates
- More reasonable campaign requirements
- Improved app stability and bug fixes
- Faster customer service response times
- Clearer communication on campaign guidelines


### Prommuni

[App page](https://appshunter.io/ios/app/prommuni/id6747644654)

Find roommates, list properties, and connect with a trusted community for a simple, secure, and social housing experience. This platform simplifies the process of finding a new place or renting out your property.

**Highlights:** Roommate search, Property listings, Community connection, Secure platform, Social housing experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Cosduck free?

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

### Is Prommuni free?

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

### Which has better reviews, Cosduck or Prommuni?

Prommuni is rated higher. Cosduck averages 3.3 out of 5 from 45 ratings, while Prommuni averages 5.0 from 3 ratings.

### Do Cosduck or Prommuni have ads?

Cosduck shows ads; Prommuni does not.

### Which is updated more often, Cosduck or Prommuni?

Cosduck ships an update every 3 days, and Prommuni every 4 weeks. Most recently, Cosduck was updated on October 27, 2026 and Prommuni on October 24, 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.*