# Pattern Shapes, by MLC vs CHAT

The clearest difference is update cadence: CHAT at every 6 weeks against Pattern Shapes, by MLC's every 26 months. CHAT also leads on device support (3 vs 1). Pattern Shapes, by MLC's advantage is review sentiment (70% vs 50%). 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.

Pattern Shapes, by MLC ships an update every 26 months, CHAT every 6 weeks. The most recent releases landed on September 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Pattern Shapes, by MLC | CHAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (17 ratings)](https://appshunter.io/ios/app/pattern-shapes-by-mlc/id908511013/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | **70.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 37 MB |
| Requires iOS | **14.7** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [Synergetx](https://appshunter.io/developer/1457801583) |

## What reviewers say

### Pattern Shapes, by MLC

[App page](https://appshunter.io/ios/app/pattern-shapes-by-mlc/id908511013)

This app allows students to explore geometry and fractions through interactive shape manipulation. Users can create designs, fill outlines, measure angles, and annotate their work. It's an open-ended educational tool for learning mathematical concepts.

**Highlights:** Explore geometry and fractions, Create custom designs, Measure angles with protractor, Duplicate, resize, and recolor shapes, Fill built-in outlines, Annotate work with drawing tools, Share creations via image or code

**Features:** macOS Compatibility

**In-app purchases:** none


### CHAT

[App page](https://appshunter.io/ios/app/chat-e/id1482010930)

This interactive tool uses puppet-guided interviews to help researchers collect structured responses from young children. It's designed for early childhood research, improving data consistency and child engagement in developmental psychology and educational studies.

**Highlights:** Puppet-driven interactive interviews, Structured data collection, Enhanced child engagement, Improved data consistency, Reduced training overhead, Optimized for field studies

**In-app purchases:** none


## Frequently asked questions

### Is Pattern Shapes, by MLC free?

Pattern Shapes, by MLC is free to download, with no in-app purchases.

### Is CHAT free?

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

### Do Pattern Shapes, by MLC or CHAT have ads?

Neither Pattern Shapes, by MLC nor CHAT shows ads.

### Which is updated more often, Pattern Shapes, by MLC or CHAT?

Pattern Shapes, by MLC ships an update every 26 months, and CHAT every 6 weeks. Most recently, Pattern Shapes, by MLC was updated on September 27, 2026 and CHAT on October 1, 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.*