# Rost vs Kulmo

The clearest difference is update cadence: Kulmo at every 3 days against Rost's every 24 months. Kulmo also leads on ratings volume (19 vs 1). Rost's advantage is monetization model (free vs freemium) and review sentiment (100% vs 80%). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Rost sells 1 one-off in-app purchase and Kulmo sells 6 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Rost against 4.9 for Kulmo. That said, the two scores are not equally well evidenced: Kulmo has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Rost's written reviews are positive against 80% of Kulmo's.

Rost ships an update every 24 months, Kulmo every 3 days. The most recent releases landed on November 4, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Rost | Kulmo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rost/id6737422867/reviews)** | [4.9 (19 ratings)](https://appshunter.io/ios/app/kulmo/id6759678278/reviews) |
| Number of ratings | 1 | **19** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 254 MB | 64 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Rost Social Media LLC](https://appshunter.io/developer/1681995173) | [Jannah Call LLC](https://appshunter.io/developer/1880132545) |

## What reviewers say

### Rost

[App page](https://appshunter.io/ios/app/rost/id6737422867)

Create, edit, and share short videos with ease. This app allows users to express their creativity and connect with others by capturing life's moments on the go. Personal information is held securely.

**Highlights:** Create short videos, Edit videos, Share videos, Connect with users, Capture moments

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Package | $2.99 | one-time |


### Kulmo

[App page](https://appshunter.io/ios/app/kulmo/id6759678278)

Connect with people worldwide through shared interests and meaningful conversations. Discover and join communities, create posts, and manage groups in a fast and engaging social experience.

**Highlights:** Discover communities, Create and share posts, Join conversations, Follow people and creators, Create and manage groups, Share photos, Personalized notifications

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Group Member Limit | $1.99 | per month |
| Premium Monthly | $4.99 | per month |
| PremiumPlus Monthly | $9.99 | per month |
| Premium Yearly | $49.99 | per year |
| PremiumPlus Yearly | $99.99 | per year |
| Group Promotion Slot | $4.99 | one-time |


## Frequently asked questions

### Is Rost free?

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

### Is Kulmo free?

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

### Which has better reviews, Rost or Kulmo?

Rost is rated higher. Rost averages 5.0 out of 5 from 1 ratings, while Kulmo averages 4.9 from 19 ratings.

### Do Rost or Kulmo have ads?

Neither Rost nor Kulmo shows ads.

### Which is updated more often, Rost or Kulmo?

Rost ships an update every 24 months, and Kulmo every 3 days. Most recently, Rost was updated on November 4, 2026 and Kulmo on November 13, 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.*