# wriggles vs Matching by tracing

The clearest difference is review sentiment: Matching by tracing at 100% against wriggles's 50%. Matching by tracing also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). wriggles's advantage is ads (none vs shown) and update cadence (every 8 months vs every 20 months). On price and device support there is nothing between them.

Both are free to download. wriggles sells 1 one-off in-app purchase. Matching by tracing asks for nothing beyond the download.

wriggles ships an update every 8 months, Matching by tracing every 20 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | wriggles | Matching by tracing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/wriggles/id1465699468/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 8 months** | Every 20 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 112 MB | 84 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKURO IMAGAWA](https://appshunter.io/developer/1465469370) | [kenta yamada](https://appshunter.io/developer/1698424335) |

## What reviewers say

### wriggles

[App page](https://appshunter.io/ios/app/wriggles/id1465699468)

A charming interactive toy app where a caterpillar hatches and wriggles on screen. Feed it to help it grow into a butterfly, and explore its reactions to touch. Designed for young children to freely play and stimulate their curiosity.

**Highlights:** Interactive caterpillar growth simulation, Transform into a butterfly, Touch-based reactions, Free play and exploration, Stimulates curiosity

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add content | $1.99 | one-time |


### Matching by tracing

[App page](https://appshunter.io/ios/app/matching-by-tracing/id6468839010)

This app provides engaging tracing and matching activities for young children and students with special needs. It helps develop cognitive skills, vocabulary, and concentration through interactive exercises. All features are available for free, making educational materials accessible.

**Highlights:** Tracing activities for fine motor skills, Matching identical and similar items, Four learning categories: Animals, Fruits, Hiragana, Adjustable difficulty levels, Simple and user-friendly design, Cause-and-effect learning

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

**In-app purchases:** none


## Frequently asked questions

### Is wriggles free?

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

### Is Matching by tracing free?

Matching by tracing is free to download, with no in-app purchases.

### Do wriggles or Matching by tracing have ads?

Matching by tracing shows ads; wriggles does not.

### Which is updated more often, wriggles or Matching by tracing?

wriggles ships an update every 8 months, and Matching by tracing every 20 months. Most recently, wriggles was updated on November 3, 2026 and Matching by tracing 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.*