# Scales vs Luwi

The clearest difference is rating: Luwi at 3.4 against Scales's 1.0. Luwi also leads on update cadence (every 10 days vs every 4 months) and ratings volume (5 vs 1). Scales's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 15.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Luwi sells 1 one-off in-app purchase. Scales asks for nothing beyond the download.

Luwi holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: Luwi has 5 ratings behind it against 1, so its average is the more settled of the two.

Scales ships an update every 4 months, Luwi every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Scales | Luwi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/scales/id1255352326/reviews) | **[3.4 (5 ratings)](https://appshunter.io/ios/app/luwi/id1492974275/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 16 MB | 229 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Rempel](https://appshunter.io/developer/1380880789) | [Erkan SIRIN](https://appshunter.io/developer/617648754) |

## What reviewers say

### Scales

[App page](https://appshunter.io/ios/app/scales/id1255352326)

This app helps users test their knowledge of musical scales and chords. It's designed for musicians looking to improve their understanding of music theory.

**Highlights:** Scale testing, Chord knowledge assessment, Music theory practice, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Luwi

[App page](https://appshunter.io/ios/app/luwi/id1492974275)

Embark on a language learning journey with interactive lessons, AI tutors, and engaging RPG games. Practice pronunciation, grammar, and vocabulary with tools like handwriting practice and a sentence generator. Access a free book library and enjoy a user interface supporting 24 languages.

**Highlights:** 11 engaging language lessons, Friendly robot tutors, Fun RPG games, Grammar guide and error checking, Word and sentence generator, Public domain book library, Handwriting spelling practice

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luwi Premium | $12.99 | one-time |


## Frequently asked questions

### Is Scales free?

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

### Is Luwi free?

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

### Which has better reviews, Scales or Luwi?

Luwi is rated higher. Scales averages 1.0 out of 5 from 1 ratings, while Luwi averages 3.4 from 5 ratings.

### Do Scales or Luwi have ads?

Neither Scales nor Luwi shows ads.

### Which is updated more often, Scales or Luwi?

Scales ships an update every 4 months, and Luwi every 10 days. Most recently, Scales was updated on October 24, 2026 and Luwi on October 24, 2026.

---

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