# GeCla vs Extended Violin Technique

The clearest difference is rating: GeCla at 5.0 against Extended Violin Technique's 3.0. GeCla also leads on update cadence (every 4 months vs every 40 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

GeCla holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

GeCla ships an update every 4 months, Extended Violin Technique every 40 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | GeCla | Extended Violin Technique |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gecla-symmetry/id1489697357/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/extended-violin-technique/id1566840655/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 40 months |
| Monetization | Free | Free |
| Size | 28 MB | 154 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Associação Atractor](https://appshunter.io/developer/1116979000) | [Apps Resource Centre, Hong Kong Baptist University](https://appshunter.io/developer/1375410542) |

## What reviewers say

### GeCla

[App page](https://appshunter.io/ios/app/gecla-symmetry/id1489697357)

This app lets you create and identify patterns based on symmetry. It helps users understand geometric transformations and provides feedback on classification accuracy. It also features a competitive mode for two players.

**Highlights:** Generate patterns with chosen symmetry, Classify patterns, friezes, and rosettes, Assisted classification with error reporting, Competition mode for two players, Multi-language support (PT, EN, IT, GE, SP), Symmetry information encoded in image files

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is GeCla free?

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

### Is Extended Violin Technique free?

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

### Which has better reviews, GeCla or Extended Violin Technique?

GeCla is rated higher. GeCla averages 5.0 out of 5 from 1 ratings, while Extended Violin Technique averages 3.0 from 2 ratings.

### Do GeCla or Extended Violin Technique have ads?

Neither GeCla nor Extended Violin Technique shows ads.

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

GeCla ships an update every 4 months, and Extended Violin Technique every 40 months. Most recently, GeCla was updated on November 3, 2026 and Extended Violin Technique on November 3, 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.*