# TD Snap® vs Pattern Blocks+ by mathies

TD Snap® and Pattern Blocks+ by mathies both sit at 4.1 stars, but that hides the real split: 100% of Pattern Blocks+ by mathies's written reviews are positive against 31% of TD Snap®'s. Pattern Blocks+ by mathies also leads on in-app purchases (none vs 10) and device support (3 vs 1). TD Snap®'s advantage is ratings volume (873 vs 3). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. TD Snap® sells 10 in-app purchases, starting at $4.99 per month. Pattern Blocks+ by mathies asks for nothing beyond the download.

Pattern Blocks+ by mathies holds the better App Store score, 4.3 against 4.1. That said, the two scores are not equally well evidenced: TD Snap® has 873 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 31% of TD Snap®'s written reviews are positive against 100% of Pattern Blocks+ by mathies's.

TD Snap® ships an update every 2 months, Pattern Blocks+ by mathies every 6 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TD Snap® | Pattern Blocks+ by mathies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (873 ratings)](https://appshunter.io/ios/app/td-snap/id1072799231/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/pattern-blocks-plus-by-mathies/id1451545067/reviews)** |
| Number of ratings | **873** | 3 |
| Positive reviews | 30.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Subscription | **Free** |
| Size | 3.4 GB | 44 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tobii Dynavox LLC](https://appshunter.io/developer/446210474) | [OAME](https://appshunter.io/developer/868343673) |

## What reviewers say

### TD Snap®

[App page](https://appshunter.io/ios/app/td-snap/id1072799231)

This communication software assists individuals with speech and language disabilities by offering symbol-supported and text-based communication options. It features customizable page sets and editing tools, accessible via touch, eye gaze, and switch access. A subscription is required after a trial period.

**Highlights:** Symbol-supported and text-based page sets, Customizable editing tools, Touch, eye gaze, and switch access, Picture Communication Symbols library, Visual schedules and timers, Cloud-based content syncing

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gateway Monthly | $4.99 | per month |
| PODD Monthly | $4.99 | per month |
| Metacom Monthly | $4.99 | per month |
| Speaking Upgrade Monthly | $9.99 | per month |
| Acapela Voices | $39.99 | one-time |
| Nuance Voices | $39.99 | one-time |
| Speaking Upgrade | $49.99 | one-time |
| METACOM Symbols | $49.99 | one-time |
| PODD Page Sets | $149.99 | one-time |
| Gateway Page Sets | $149.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Customizable
- 🚀 Intuitive navigation
- 👍 Helpful supports and features
- 🚀 Flexible and robust

**What reviewers complain about**

- 🔒 Subscription model for voice
- 🐛 Voice issues after updates
- 💰 Expensive subscription
- 🔒 Removing previously paid features
- 🐛 Crashes and bugs

**Reported bugs**

- Voice disappearing after updates
- Crashes on launch
- Incompatibility with iPad Pro
- Inability to restore purchased content

**Requested features**

- Ability to change undo symbol
- Link to ACCIL image database
- Ability to set user age for appropriate vocabulary
- More robust core vocabulary
- Easier grammar modeling


### Pattern Blocks+ by mathies

[App page](https://appshunter.io/ios/app/pattern-blocks-plus-by-mathies/id1451545067)

This app provides a virtual manipulative tool for creating designs and exploring mathematical concepts. Users can drag, move, copy, rotate, and reflect various shapes to build patterns, represent fractions and decimals, and calculate area and perimeter. It's designed to support learning in the classroom or at home.

**Highlights:** Virtual pattern blocks, Drag, move, copy, rotate, reflect shapes, Create patterns and designs, Represent fractions and decimals, Calculate area and perimeter, Save and open work files, Built-in annotation tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TD Snap® free?

TD Snap® is free to download, with in-app purchases available.

### Is Pattern Blocks+ by mathies free?

Pattern Blocks+ by mathies is free to download, with no in-app purchases.

### Which has better reviews, TD Snap® or Pattern Blocks+ by mathies?

Pattern Blocks+ by mathies is rated higher. TD Snap® averages 4.1 out of 5 from 873 ratings, while Pattern Blocks+ by mathies averages 4.3 from 3 ratings.

### Do TD Snap® or Pattern Blocks+ by mathies have ads?

Neither TD Snap® nor Pattern Blocks+ by mathies shows ads.

### Which is updated more often, TD Snap® or Pattern Blocks+ by mathies?

TD Snap® ships an update every 2 months, and Pattern Blocks+ by mathies every 6 weeks. Most recently, TD Snap® was updated on November 1, 2026 and Pattern Blocks+ by mathies on October 24, 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.*