# Radiooooo vs Kalliope 2

The clearest difference is rating: Kalliope 2 at 5.0 against Radiooooo's 4.0. Kalliope 2 also leads on in-app purchases (none vs 2) and update cadence (every 5 days vs every 2 months). Radiooooo's advantage is ratings volume (774 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Radiooooo sells 2 in-app purchases, starting at $4.49 per month. Kalliope 2 asks for nothing beyond the download.

Kalliope 2 holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Radiooooo has 774 ratings behind it against 1, so its average is the more settled of the two.

Radiooooo ships an update every 2 months, Kalliope 2 every 5 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Radiooooo | Kalliope 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (774 ratings)](https://appshunter.io/ios/app/radiooooo/id893151807/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kalliope-2/id1562627521/reviews)** |
| Number of ratings | **774** | 1 |
| Positive reviews | 57.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 17 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [RADIOOOOO](https://appshunter.io/developer/1071729050) | [IGLOR Soluciones Audiovisuales Avanzadas SL](https://appshunter.io/developer/1463175426) |

## What reviewers say

### Radiooooo

[App page](https://appshunter.io/ios/app/radiooooo/id893151807)

Explore music from any country and decade. This app offers a curated selection of global music, allowing you to discover new sounds and artists. It's a collaborative platform built by music enthusiasts.

**Highlights:** Discover music by country, Explore music by decade, Curated musical selections, Collaborative music platform, Human-curated playlists

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $4.49 | per month |
| Unlimited access | $45.99 | per year |

**What reviewers like**

- 🎶 Amazing music discovery
- 🌍 Diverse global music selection
- 🎨 Beautiful and intuitive UI
- 💎 Unique and innovative concept

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔒 Login/account issues
- 🔇 Limited free features, paywall
- 🗺️ Restricted country/decade access in free version

**Reported bugs**

- Music playback issues
- Inconsistent login/account functionality
- Outdated/incorrect music metadata

**Requested features**

- Ability to save/replay liked songs
- Improved music search and filtering
- Integration with music streaming services
- More genre/subgenre options


### Kalliope 2

[App page](https://appshunter.io/ios/app/kalliope-2/id1562627521)

This app delivers personalized multimedia content linked to events, supporting various formats like video and augmented reality. It enables real-time audience interaction and integrates with other devices for enhanced transmedia experiences.

**Highlights:** Personalized multimedia content delivery, Support for various media formats, Real-time audience interaction, Second screen content management, Accessibility and linguistic services, Transmedia experiences with device integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Radiooooo free?

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

### Is Kalliope 2 free?

Kalliope 2 is free to download, with no in-app purchases.

### Which has better reviews, Radiooooo or Kalliope 2?

Kalliope 2 is rated higher. Radiooooo averages 4.0 out of 5 from 774 ratings, while Kalliope 2 averages 5.0 from 1 ratings.

### Do Radiooooo or Kalliope 2 have ads?

Neither Radiooooo nor Kalliope 2 shows ads.

### Which is updated more often, Radiooooo or Kalliope 2?

Radiooooo ships an update every 2 months, and Kalliope 2 every 5 days. Most recently, Radiooooo was updated on November 1, 2026 and Kalliope 2 on November 3, 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.*