# shelfs vs CrossMetronome

The clearest difference is in-app purchases: shelfs at none against CrossMetronome's 2. CrossMetronome's advantage is update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CrossMetronome sells 2 one-off in-app purchases. shelfs asks for nothing beyond the download.

shelfs ships an update fortnightly, CrossMetronome every 3 days. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | shelfs | CrossMetronome |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | — |
| Size | 7 MB | 5 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Smart Engineering](https://appshunter.io/developer/544232740) | [Yuya Homma](https://appshunter.io/developer/1894106273) |

## What reviewers say

### shelfs

[App page](https://appshunter.io/ios/app/shelfs/id6446165591)

Listen to community radio programs up to 7 days after they air. Manage your favorite shows in playlists that automatically update with the latest episodes. Enjoy local radio content on your schedule.

**Highlights:** 7-day catch-up playback, Playlist management, Automatic episode updates, Cross-search by program, station, genre, Background playback, Resume playback

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

**In-app purchases:** none


### CrossMetronome

[App page](https://appshunter.io/ios/app/crossmetronome/id6762463071)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コーヒーをおごる | $1.99 | one-time |
| 広告を永久削除 | $3.99 | one-time |


## Frequently asked questions

### Is shelfs free?

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

### Is CrossMetronome free?

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

### Do shelfs or CrossMetronome have ads?

Neither shelfs nor CrossMetronome shows ads.

### Which is updated more often, shelfs or CrossMetronome?

shelfs ships an update fortnightly, and CrossMetronome every 3 days. Most recently, shelfs was updated on October 11, 2026 and CrossMetronome on October 14, 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.*