# KOSMO vs Backstage PRO

KOSMO and Backstage PRO are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

KOSMO ships an update every 2 months, Backstage PRO every 5 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KOSMO | Backstage PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 27 MB | 27 MB |
| Requires iOS | 16.0.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [City & People UG (haftungsbeschränkt)](https://appshunter.io/developer/1647939946) | [Leitmotiv Online Medien GmbH & Co. KG](https://appshunter.io/developer/1649923682) |

## What reviewers say

### KOSMO

[App page](https://appshunter.io/ios/app/kosmo-irl-social-network/id1661461093)

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

**In-app purchases:** none


### Backstage PRO

[App page](https://appshunter.io/ios/app/backstage-pro/id6443844664)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KOSMO free?

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

### Is Backstage PRO free?

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

### Do KOSMO or Backstage PRO have ads?

Neither KOSMO nor Backstage PRO shows ads.

### Which is updated more often, KOSMO or Backstage PRO?

KOSMO ships an update every 2 months, and Backstage PRO every 5 weeks. Most recently, KOSMO was updated on October 27, 2026 and Backstage PRO 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.*