# Number Line vs Tune Champ

The clearest difference is in-app purchases: Number Line at none against Tune Champ's 1. Number Line also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.4). On price, review sentiment and ads there is nothing between them.

Both are free to download. Tune Champ sells 1 one-off in-app purchase. Number Line asks for nothing beyond the download.

## The numbers

| Metric | Number Line | Tune Champ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/number-line/id1531893217/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 32 MB |
| Requires iOS | **13.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Blastoff Design](https://appshunter.io/developer/1455360972) | [Benjohn Barnes](https://appshunter.io/developer/319043988) |

## What reviewers say

### Number Line

[App page](https://appshunter.io/ios/app/number-line/id1531893217)

This app provides an interactive number line for educational purposes, enabling users to visualize numbers, perform various math games, and practice rounding. Its simple interface supports zooming, swiping, and marking numbers with pins or freehand drawing.

**Highlights:** Infinite number line visualization, Rounding practice (nearest 10, 100, 10,000), Number comparison, Pinch-to-zoom functionality, Swipe navigation, Search for specific numbers, Pin marking, Freehand drawing tool

**In-app purchases:** none


### Tune Champ

[App page](https://appshunter.io/ios/app/tune-champ/id6736403510)

This app helps music learners by showing instrument fingerings for notes and playing them aloud. It also identifies notes played on your instrument, aiding practice and confidence for guitar, violin, and cello.

**Highlights:** Shows instrument fingerings for notes, Plays notes aloud for reference, Identifies notes played on your instrument, Supports guitar, violin, and cello, Helps learners practice melodies, Builds confidence in practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tune Champ 12 Months | $8.99 | one-time |


## Frequently asked questions

### Is Number Line free?

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

### Is Tune Champ free?

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

### Do Number Line or Tune Champ have ads?

Neither Number Line nor Tune Champ shows ads.

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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.*