# Resonance vs Casterly

The clearest difference is in-app purchases: Resonance at none against Casterly's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Casterly sells 1 in-app purchase, starting at $9.99 per year. Resonance asks for nothing beyond the download.

Resonance ships an update every 2 weeks, Casterly weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Resonance | Casterly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/resonance-podcast-player/id6758961878/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 5 MB | 15 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Nostios LLC](https://appshunter.io/developer/1870087937) | [Sodium Studio, LLC](https://appshunter.io/developer/1887896668) |

## What reviewers say

### Resonance

[App page](https://appshunter.io/ios/app/resonance-podcast-player/id6758961878)

This app maps your listening habits by tracking your GPS route in real-time during playback. It visualizes your journeys with markers for playback actions and allows you to scrub through your timeline or animate your route. Discover your listening trends, organize your podcasts, and enjoy offline playback.

**Highlights:** GPS route tracking during playback, Interactive map visualization, Route animation and timeline scrubber, Customizable playback speeds, Offline listening with downloads, Podcast organization and playlists, On-device data storage

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

**In-app purchases:** none


### Casterly

[App page](https://appshunter.io/ios/app/casterly/id6761127451)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Casterly Pro | $9.99 | per year |


## Frequently asked questions

### Is Resonance free?

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

### Is Casterly free?

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

### Do Resonance or Casterly have ads?

Neither Resonance nor Casterly shows ads.

### Which is updated more often, Resonance or Casterly?

Resonance ships an update every 2 weeks, and Casterly weekly. Most recently, Resonance was updated on November 5, 2026 and Casterly on October 31, 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.*