# Gliss vs Contrabass Sight Reading

The clearest difference is price: Gliss at Free against Contrabass Sight Reading's $12.99. Contrabass Sight Reading's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On ads and in-app purchases there is nothing between them.

Gliss is free to download; Contrabass Sight Reading costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Gliss | Contrabass Sight Reading |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 2 MB | 93 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sean Wiseman](https://appshunter.io/developer/1555329260) | [Oleg Sokolov](https://appshunter.io/developer/1628122395) |

## What reviewers say

### Gliss

[App page](https://appshunter.io/ios/app/gliss-notation-trainer/id6444380942)

**Features:** macOS Compatibility

**In-app purchases:** none


### Contrabass Sight Reading

[App page](https://appshunter.io/ios/app/contrabass-sight-reading/id6450519702)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gliss free?

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

### Is Contrabass Sight Reading free?

Contrabass Sight Reading costs $12.99, with no in-app purchases.

### Do Gliss or Contrabass Sight Reading have ads?

Neither Gliss nor Contrabass Sight Reading 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.*