# Metric Practice Free vs Learn Morse Code

The clearest difference is in-app purchases: Learn Morse Code at none against Metric Practice Free's 1. Metric Practice Free's advantage is ads (none vs shown) and review sentiment (33% vs 0%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Metric Practice Free sells 1 one-off in-app purchase. Learn Morse Code asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 2.3 for Metric Practice Free against 2.4 for Learn Morse Code. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews are what separate them: 33% of Metric Practice Free's written reviews are positive against 0% of Learn Morse Code's.

Metric Practice Free ships an update every 7 months, Learn Morse Code every 9 months. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Metric Practice Free | Learn Morse Code |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/metric-practice-free/id609021842/reviews) | **[2.4 (5 ratings)](https://appshunter.io/ios/app/learn-morse-code-cw-trainer/id1463307275/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 12 MB | 24 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carolina Biological Supply](https://appshunter.io/developer/413708533) | [MesaRO LLC.](https://appshunter.io/developer/400844587) |

## What reviewers say

### Metric Practice Free

[App page](https://appshunter.io/ios/app/metric-practice-free/id609021842)

Practice converting between metric prefixes and S.I. units. This app allows you to select units, values, or both to find equivalents. The free version includes novice-level practice for each conversion type.

**Highlights:** Metric prefix conversion practice, S.I. unit conversions, Selectable units and values, Different skill levels, Novice level practice included

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metric Practice Premium Content | $1.99 | one-time |


### Learn Morse Code

[App page](https://appshunter.io/ios/app/learn-morse-code-cw-trainer/id1463307275)

Master Morse Code with interactive flashcards and quizzes. Learn to read, listen, and write the code through engaging exercises designed for quick memorization and skill improvement. Track your progress and aim for mastery.

**Highlights:** Morse Code flashcards, Character and notation views, Listening quizzes, Notation identification quizzes, Writing quizzes, Score tracking, Progress monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Metric Practice Free free?

Metric Practice Free is free to download, with in-app purchases available.

### Is Learn Morse Code free?

Learn Morse Code is free to download, with no in-app purchases.

### Which has better reviews, Metric Practice Free or Learn Morse Code?

Learn Morse Code is rated higher. Metric Practice Free averages 2.3 out of 5 from 3 ratings, while Learn Morse Code averages 2.4 from 5 ratings.

### Do Metric Practice Free or Learn Morse Code have ads?

Learn Morse Code shows ads; Metric Practice Free does not.

### Which is updated more often, Metric Practice Free or Learn Morse Code?

Metric Practice Free ships an update every 7 months, and Learn Morse Code every 9 months. Most recently, Metric Practice Free was updated on October 12, 2026 and Learn Morse Code on October 19, 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.*