# TD Snap® vs Boo Articulation Helper

The clearest difference is price: TD Snap® at Free against Boo Articulation Helper's $7.99. TD Snap® also leads on rating (4.1 vs 3.3) and ratings volume (877 vs 19). Boo Articulation Helper's advantage is in-app purchases (none vs 4) and review sentiment (50% vs 31%). On update cadence, ads and iOS requirement there is nothing between them.

TD Snap® is free to download; Boo Articulation Helper costs $7.99 up front. TD Snap® sells 4 in-app purchases, starting at $4.99 per month. Boo Articulation Helper asks for nothing beyond the download.

TD Snap® holds the better App Store score, 4.1 against 3.3. That said, the two scores are not equally well evidenced: TD Snap® has 877 ratings behind it against 19, so its average is the more settled of the two. Written reviews complicate that: 31% of TD Snap®'s written reviews are positive against 50% of Boo Articulation Helper's, so the app with the better star average is not the one people write more warmly about.

TD Snap® ships an update every 2 months, Boo Articulation Helper monthly. Both last shipped on November 6, 2026.

## The numbers

| Metric | TD Snap® | Boo Articulation Helper |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.1 (877 ratings)](https://appshunter.io/ios/app/td-snap/id1072799231/reviews)** | [3.3 (19 ratings)](https://appshunter.io/ios/app/boo-articulation-helper/id1216642311/reviews) |
| Number of ratings | **877** | 19 |
| Positive reviews | 30.7% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Subscription | **Paid** |
| Best chart rank | — | **#169** |
| Size | 3.4 GB | 21 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tobii Dynavox LLC](https://appshunter.io/developer/446210474) | [Thomas Ljungblad](https://appshunter.io/developer/1608342999) |

## 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 (4)**

| 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 |

**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


### Boo Articulation Helper

[App page](https://appshunter.io/ios/app/boo-articulation-helper/id1216642311)

**Currently charting:** #169 Top Paid · Education (US App Store)

This app helps young children improve speech sounds through interactive practice. It visually demonstrates mouth movements for articulation and offers a minigame for sound identification. Developed by a speech-language pathologist, it's designed for children aged 3-6 with speech difficulties or English language learners.

**Highlights:** Visual mouth movement demonstrations, Spontaneous speech sound repetition, Phonological awareness training, Record and playback for comparison, Minigame for sound identification, Customizable articulation speed

**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 Boo Articulation Helper free?

Boo Articulation Helper costs $7.99, with no in-app purchases.

### Which has better reviews, TD Snap® or Boo Articulation Helper?

TD Snap® is rated higher. TD Snap® averages 4.1 out of 5 from 877 ratings, while Boo Articulation Helper averages 3.3 from 19 ratings.

### Do TD Snap® or Boo Articulation Helper have ads?

Neither TD Snap® nor Boo Articulation Helper shows ads.

### Which is updated more often, TD Snap® or Boo Articulation Helper?

TD Snap® ships an update every 2 months, and Boo Articulation Helper monthly. Most recently, TD Snap® was updated on November 6, 2026 and Boo Articulation Helper on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*