# rOb.by vs CastKeeper For Podcasts

The clearest difference is in-app purchases: rOb.by at none against CastKeeper For Podcasts's 1. rOb.by also leads on iOS requirement (12.0 vs 26.0). CastKeeper For Podcasts's advantage is update cadence (every 2 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. CastKeeper For Podcasts sells 1 one-off in-app purchase. rOb.by asks for nothing beyond the download.

rOb.by ships an update every 5 months, CastKeeper For Podcasts every 2 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | rOb.by | CastKeeper For Podcasts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/castkeeper-for-podcasts/id6760909808/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 91 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [texTomatic AG](https://appshunter.io/developer/1503319921) | [121 Gigawatz](https://appshunter.io/developer/1886751010) |

## What reviewers say

### rOb.by

[App page](https://appshunter.io/ios/app/robby/id1503319922)

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

**In-app purchases:** none


### CastKeeper For Podcasts

[App page](https://appshunter.io/ios/app/castkeeper-for-podcasts/id6760909808)

This app offers a comprehensive podcast listening experience with advanced playback features, organization, and permanent archiving. It allows users to discover new shows, manage their queues, and even turn audio content into actionable knowledge through note-taking and learning tools.

**Highlights:** Advanced audio/video playback, Permanent episode archiving, Timestamped note-taking, AI-powered search and summaries, Cross-device sync, Podcast discovery and organization

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CastKeeper Unlimited | $1.99 | one-time |


## Frequently asked questions

### Is rOb.by free?

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

### Is CastKeeper For Podcasts free?

CastKeeper For Podcasts is free to download, with in-app purchases available.

### Do rOb.by or CastKeeper For Podcasts have ads?

Neither rOb.by nor CastKeeper For Podcasts shows ads.

### Which is updated more often, rOb.by or CastKeeper For Podcasts?

rOb.by ships an update every 5 months, and CastKeeper For Podcasts every 2 weeks. Most recently, rOb.by was updated on October 25, 2026 and CastKeeper For Podcasts on October 31, 2026.

---

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