# Extended Violin Technique vs eyetido!

The clearest difference is in-app purchases: Extended Violin Technique at none against eyetido!'s 2. eyetido!'s advantage is update cadence (every 9 days vs every 40 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. eyetido! sells 2 in-app purchases, starting at $1.99 per month. Extended Violin Technique asks for nothing beyond the download.

Extended Violin Technique ships an update every 40 months, eyetido! every 9 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Extended Violin Technique | eyetido! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/extended-violin-technique/id1566840655/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 154 MB | 97 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Apps Resource Centre, Hong Kong Baptist University](https://appshunter.io/developer/1375410542) | [Faug Productions Ltd](https://appshunter.io/developer/1578880257) |

## What reviewers say

### Extended Violin Technique

[App page](https://appshunter.io/ios/app/extended-violin-technique/id1566840655)

Explore a vast collection of extended violin techniques with definitions, notation examples, and videos. This app aids students in preparing difficult pieces and composers in discovering new violin sounds. It also features a section for composers to share their work.

**Highlights:** Extended violin technique explanations, Notational examples, Demonstrative videos, Searchable content, Composer music submission section

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

**In-app purchases:** none


### eyetido!

[App page](https://appshunter.io/ios/app/eyetido/id6448642339)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| eyetido monthly | $1.99 | per month |
| eyetido yearly | $19.99 | per year |


## Frequently asked questions

### Is Extended Violin Technique free?

Extended Violin Technique is free to download, with no in-app purchases.

### Is eyetido! free?

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

### Do Extended Violin Technique or eyetido! have ads?

Neither Extended Violin Technique nor eyetido! shows ads.

### Which is updated more often, Extended Violin Technique or eyetido!?

Extended Violin Technique ships an update every 40 months, and eyetido! every 9 days. Most recently, Extended Violin Technique was updated on October 24, 2026 and eyetido! on October 27, 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.*