# Interval min vs Piano Chronicles

Interval min and Piano Chronicles both sit at 5.0 stars, but that hides the real split: 100% of Piano Chronicles's written reviews are positive against 50% of Interval min's. Piano Chronicles also leads on update cadence (every 3 weeks vs every 7 months) and ratings volume (48 vs 6). Interval min's advantage is in-app purchases (none vs 10). On price, rating, ads and device support there is nothing between them.

Both are free to download. Piano Chronicles sells 9 one-off in-app purchases. Interval min asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Interval min against 4.9 for Piano Chronicles. That said, the two scores are not equally well evidenced: Piano Chronicles has 48 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 50% of Interval min's written reviews are positive against 100% of Piano Chronicles's.

Interval min ships an update every 7 months, Piano Chronicles every 3 weeks. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Interval min | Piano Chronicles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/interval-min/id937916331/reviews)** | [4.9 (48 ratings)](https://appshunter.io/ios/app/piano-chronicles/id1541793986/reviews) |
| Number of ratings | 6 | **48** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 21 MB | 589 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Technology Inc.](https://appshunter.io/developer/393931941) | [Jahari Stampley](https://appshunter.io/developer/1541793988) |

## What reviewers say

### Interval min

[App page](https://appshunter.io/ios/app/interval-min/id937916331)

Test your music theory knowledge by identifying chords. Listen to musical notation and select the correct chord from multiple choices. Improve your understanding of music with repeated play and adjustable instruments.

**Highlights:** Chord identification gameplay, Musical notation display, Multiple choice answers, Score tracking with penalties, Adjustable instrument sounds (piano, organ), Skip puzzles without penalty

**Features:** Vision Pro support

**In-app purchases:** none


### Piano Chronicles

[App page](https://appshunter.io/ios/app/piano-chronicles/id1541793986)

Learn piano through engaging boss battles and character progression. Tap notes to advance through levels, unlock new abilities, and compete on leaderboards. Practice anytime, anywhere, with or without an internet connection.

**Highlights:** Epic boss battles, Character unlocks and upgrades, Note tapping gameplay, In-app leaderboards, Offline and online play, Daily rewards and challenges, Multiple game modes

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins 15000 | $0.99 | one-time |
| No Ads | $3.99 | one-time |
| Snacks 1000 | $4.99 | one-time |
| No Ads + Tickets + Keys | $4.99 | one-time |
| No Ads | $4.99 | one-time |
| No Ads + Tickets + Keys | $5.99 | one-time |
| No Ads | $5.99 | one-time |
| Coins 650000 | $12.99 | one-time |
| Snaccs 4500 | $12.99 | one-time |


## Frequently asked questions

### Is Interval min free?

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

### Is Piano Chronicles free?

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

### Which has better reviews, Interval min or Piano Chronicles?

Interval min is rated higher. Interval min averages 5.0 out of 5 from 6 ratings, while Piano Chronicles averages 4.9 from 48 ratings.

### Do Interval min or Piano Chronicles have ads?

Both Interval min and Piano Chronicles show ads.

### Which is updated more often, Interval min or Piano Chronicles?

Interval min ships an update every 7 months, and Piano Chronicles every 3 weeks. Most recently, Interval min was updated on October 15, 2026 and Piano Chronicles on October 13, 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.*