# Melodic Contour Identification vs ReDi

The clearest difference is rating: Melodic Contour Identification at 5.0 against ReDi's 4.5. Melodic Contour Identification also leads on iOS requirement (6.0 vs 15.6). ReDi's advantage is update cadence (weekly vs every 2 months) and ratings volume (290 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Melodic Contour Identification holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: ReDi has 290 ratings behind it against 1, so its average is the more settled of the two.

Melodic Contour Identification ships an update every 2 months, ReDi weekly. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Melodic Contour Identification | ReDi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/melodic-contour-identification/id849121240/reviews)** | [4.5 (290 ratings)](https://appshunter.io/ios/app/redi/id1506576790/reviews) |
| Number of ratings | 1 | **290** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 10 MB | 85 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QIANJIE FU](https://appshunter.io/developer/832309931) | [MED-EL](https://appshunter.io/developer/455935145) |

## What reviewers say

### Melodic Contour Identification

[App page](https://appshunter.io/ios/app/melodic-contour-identification/id849121240)

This app offers a unique training program designed to enhance awareness of musical melodies. It utilizes a closed-set melodic contour identification task to help users, including those with hearing impairments, improve their music appreciation.

**Highlights:** Melodic contour identification testing, Melodic contour training, Customizable interval and root note conditions, Generates nine distinct musical contours per condition, Aids music appreciation for hearing impaired individuals

**Features:** macOS Compatibility

**In-app purchases:** none


### ReDi

[App page](https://appshunter.io/ios/app/redi/id1506576790)

This app helps users of hearing technology practice auditory and speech skills independently. It offers structured exercises with immediate feedback, suitable for various difficulty levels and available on mobile devices.

**Highlights:** Auditory and speech practice, Independent user exercises, Real-time feedback, Multiple difficulty levels, Suitable for hearing aid/implant users

**In-app purchases:** none


## Frequently asked questions

### Is Melodic Contour Identification free?

Melodic Contour Identification is free to download, with no in-app purchases.

### Is ReDi free?

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

### Which has better reviews, Melodic Contour Identification or ReDi?

Melodic Contour Identification is rated higher. Melodic Contour Identification averages 5.0 out of 5 from 1 ratings, while ReDi averages 4.5 from 290 ratings.

### Do Melodic Contour Identification or ReDi have ads?

Neither Melodic Contour Identification nor ReDi shows ads.

### Which is updated more often, Melodic Contour Identification or ReDi?

Melodic Contour Identification ships an update every 2 months, and ReDi weekly. Most recently, Melodic Contour Identification was updated on October 2, 2026 and ReDi on October 17, 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.*