# Rhythm Cat 2 vs hrdl

The clearest difference is review sentiment: Rhythm Cat 2 at 69% against hrdl's 0%. Rhythm Cat 2 also leads on rating (4.5 vs 1.7) and ratings volume (33 vs 3). hrdl's advantage is price (Free vs $7.99) and update cadence (every 3 weeks vs every 20 months). On ads, in-app purchases and device support there is nothing between them.

hrdl is free to download; Rhythm Cat 2 costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rhythm Cat 2 holds the better App Store score, 4.5 against 1.7. That said, the two scores are not equally well evidenced: Rhythm Cat 2 has 33 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 69% of Rhythm Cat 2's written reviews are positive against 0% of hrdl's.

Rhythm Cat 2 ships an update every 20 months, hrdl every 3 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Rhythm Cat 2 | hrdl |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.5 (33 ratings)](https://appshunter.io/ios/app/rhythm-cat-2/id1203856938/reviews)** | [1.7 (3 ratings)](https://appshunter.io/ios/app/hrdl/id6751469471/reviews) |
| Number of ratings | **33** | 3 |
| Positive reviews | **68.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#77** | — |
| Size | 83 MB | 2 MB |
| Requires iOS | **12.1** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [James Uhart](https://appshunter.io/developer/1578550806) | [Cameron Moss](https://appshunter.io/developer/1091651478) |

## What reviewers say

### Rhythm Cat 2

[App page](https://appshunter.io/ios/app/rhythm-cat-2/id1203856938)

**Currently charting:** #77 Top Paid · Music (US App Store)

Master music rhythm reading with this engaging game. Progress through challenging levels and play along to a variety of songs, from originals to classical pieces. Developed with musicians and educators, it's a fun way to improve your musical notation skills for any instrument.

**Highlights:** 60 progressive difficulty levels, 30 original and classical songs, Game-like interface, Learn common musical rhythms, Improve reading skills for all instruments

**Features:** Vision Pro support

**In-app purchases:** none


### hrdl

[App page](https://appshunter.io/ios/app/hrdl/id6751469471)

Guess a new song daily by listening to short clips. Test your music knowledge and compete with friends. A fun daily challenge for music lovers.

**Highlights:** Daily new song to guess, Listen to song clips, Test music knowledge, Daily challenge, Compete with friends

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

**In-app purchases:** none


## Frequently asked questions

### Is Rhythm Cat 2 free?

Rhythm Cat 2 costs $7.99, with no in-app purchases.

### Is hrdl free?

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

### Which has better reviews, Rhythm Cat 2 or hrdl?

Rhythm Cat 2 is rated higher. Rhythm Cat 2 averages 4.5 out of 5 from 33 ratings, while hrdl averages 1.7 from 3 ratings.

### Do Rhythm Cat 2 or hrdl have ads?

Neither Rhythm Cat 2 nor hrdl shows ads.

### Which is updated more often, Rhythm Cat 2 or hrdl?

Rhythm Cat 2 ships an update every 20 months, and hrdl every 3 weeks. Most recently, Rhythm Cat 2 was updated on November 1, 2026 and hrdl on October 24, 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.*