# Radio Unit vs Relic Flow

The clearest difference is update cadence: Radio Unit at every 2 months against Relic Flow's every 17 months. Relic Flow's advantage is price ($1.99 vs $6.99) and rating (4.8 vs 4.6). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Radio Unit costs $6.99 and Relic Flow $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Relic Flow holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 59 and 26 respectively. Written reviews point the same way: 81% of Radio Unit's written reviews are positive against 93% of Relic Flow's.

Radio Unit ships an update every 2 months, Relic Flow every 17 months. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Radio Unit | Relic Flow |
| --- | --- | --- |
| Price | $6.99 | **$1.99** |
| Rating | [4.6 (59 ratings)](https://appshunter.io/ios/app/radio-unit/id1545928014/reviews) | **[4.8 (26 ratings)](https://appshunter.io/ios/app/relic-flow/id6499490810/reviews)** |
| Number of ratings | **59** | 26 |
| Positive reviews | 81.5% of reviews | **93.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 17 months |
| Monetization | **Free** | Paid |
| Size | 2 MB | 6 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BeepStreet](https://appshunter.io/developer/321412321) | [Alexander Zolotov](https://appshunter.io/developer/324462547) |

## What reviewers say

### Radio Unit

[App page](https://appshunter.io/ios/app/radio-unit/id1545928014)

Stream over 35,000 internet radio stations with this app. Enhance your audio experience by using it as an AUv3 plugin with other compatible music apps. Discover new music and save your favorites.

**Highlights:** Access 35,000+ radio stations, Enhance audio with AUv3 plugins, Intuitive interface, Song discovery and saving, Favorites sync across devices, MIDI control for AUv3 plugin

**In-app purchases:** none


### Relic Flow

[App page](https://appshunter.io/ios/app/relic-flow/id6499490810)

Generate unique Lo-Fi rhythms, noise patterns, and drum loops using advanced synthesis algorithms. Explore billions of sound samples with intuitive controls and real-time audio recording. Perfect for musicians and sound designers seeking endless creative possibilities.

**Highlights:** Lo-Fi rhythm and drum loop generation, Billions of unique sound samples, Real-time audio recording to WAV, Multiple input methods (on-screen, PC keyboard, MIDI), Export to WAV, SunVox, and text clipboard, iOS Audio Unit Extension (AUv3) support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radio Unit free?

Radio Unit costs $6.99, with no in-app purchases.

### Is Relic Flow free?

Relic Flow costs $1.99, with no in-app purchases.

### Which has better reviews, Radio Unit or Relic Flow?

Relic Flow is rated higher. Radio Unit averages 4.6 out of 5 from 59 ratings, while Relic Flow averages 4.8 from 26 ratings.

### Do Radio Unit or Relic Flow have ads?

Neither Radio Unit nor Relic Flow shows ads.

### Which is updated more often, Radio Unit or Relic Flow?

Radio Unit ships an update every 2 months, and Relic Flow every 17 months. Most recently, Radio Unit was updated on September 13, 2026 and Relic Flow on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*