# Shape Coding Lite vs Twinkl Symbols AAC System

The clearest difference is review sentiment: Twinkl Symbols AAC System at 82% against Shape Coding Lite's 0%. Twinkl Symbols AAC System also leads on update cadence (every 3 weeks vs every 7 months). Shape Coding Lite's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 16.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Twinkl Symbols AAC System sells 2 in-app purchases, starting at $1.99 per month. Shape Coding Lite asks for nothing beyond the download.

Shape Coding Lite ships an update every 7 months, Twinkl Symbols AAC System every 3 weeks. The most recent releases landed on June 1, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Shape Coding Lite | Twinkl Symbols AAC System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (309 ratings)](https://appshunter.io/ios/app/twinkl-symbols-aac-system/id1543188023/reviews)** |
| Number of ratings | — | **309** |
| Positive reviews | 0.0% of reviews | **82.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 357 MB | 558 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Moor House School & College](https://appshunter.io/developer/1246114840) | [Twinkl Limited](https://appshunter.io/developer/508771802) |

## What reviewers say

### Shape Coding Lite

[App page](https://appshunter.io/ios/app/shape-coding-lite/id1292188642)

This app uses a visual coding system to help children and young people with language disorders improve sentence structure and grammar. It employs colors, arrows, lines, and shapes to represent word classes, tense, and sentence structure, aiding in understanding and producing English sentences.

**Highlights:** Visual coding system for grammar, Color-coded word classes, Arrow indicators for tense, Line indicators for plurality, Shape indicators for syntax, Text-to-speech functionality

**In-app purchases:** none


### Twinkl Symbols AAC System

[App page](https://appshunter.io/ios/app/twinkl-symbols-aac-system/id1543188023)

This app provides a comprehensive Augmentative and Alternative Communication (AAC) system designed for individuals with special educational or speech, language, and communication needs. It offers a vast library of symbols, customizable creation tools, and ready-made templates to facilitate communication, learning, and daily routines.

**Highlights:** 8,000+ trusted symbols, Custom symbol creation, 100+ ready-made templates, Symbolized timers and timetables, Reward charts and debrief templates, Printable resources, Apple Watch integration

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Subscription | $1.99 | per month |
| Annual Subscription | $9.99 | per year |

**What reviewers like**

- 👍 Easy to use and understand
- 💖 Great for children with special needs
- 💡 Brilliant resource for creating visuals
- ✨ High quality and simple to use
- 🚀 Quick and easy to create boards

**What reviewers complain about**

- ⚠️ Limited board sizes (8x5 max)
- 🎛️ Math question feature not needed/accessible
- 🗑️ Ineffective junk collected from educators
- 🔄 Updates cause issues (voice stopped working)
- ❓ Difficulty updating the app

**Reported bugs**

- Voice stopped working after last update
- App closes when going to voice settings
- Maths question feature pops up unexpectedly
- Custom symbols not appearing on shared boards
- Lost custom symbols when sharing boards

**Requested features**

- Folders inside boards for more options
- More board size options
- Ability to add folders on the board
- Spell check feature
- Option to make buttons bigger


## Frequently asked questions

### Is Shape Coding Lite free?

Shape Coding Lite is free to download, with no in-app purchases.

### Is Twinkl Symbols AAC System free?

Twinkl Symbols AAC System is free to download, with in-app purchases available.

### Do Shape Coding Lite or Twinkl Symbols AAC System have ads?

Neither Shape Coding Lite nor Twinkl Symbols AAC System shows ads.

### Which is updated more often, Shape Coding Lite or Twinkl Symbols AAC System?

Shape Coding Lite ships an update every 7 months, and Twinkl Symbols AAC System every 3 weeks. Most recently, Shape Coding Lite was updated on June 1, 2026 and Twinkl Symbols AAC System on August 16, 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.*