# TD Snap® vs Symbol Overlay Maker

The clearest difference is rating: TD Snap® at 4.2 against Symbol Overlay Maker's 2.0. TD Snap® also leads on ratings volume (810 vs 2) and update cadence (every 2 months vs every 6 months). Symbol Overlay Maker's advantage is in-app purchases (none vs 10). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TD Snap® sells 10 in-app purchases, starting at $4.99 per month. Symbol Overlay Maker asks for nothing beyond the download.

TD Snap® holds the better App Store score, 4.2 against 2.0. That said, the two scores are not equally well evidenced: TD Snap® has 810 ratings behind it against 2, so its average is the more settled of the two.

TD Snap® ships an update every 2 months, Symbol Overlay Maker every 6 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | TD Snap® | Symbol Overlay Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (810 ratings)](https://appshunter.io/ios/app/td-snap/id1072799231/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/symbol-overlay-maker/id1510255596/reviews) |
| Number of ratings | **810** | 2 |
| Positive reviews | 29.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Subscription | **Free** |
| Size | 3.4 GB | 142 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tobii Dynavox LLC](https://appshunter.io/developer/446210474) | [AbleNet](https://appshunter.io/developer/390532170) |

## 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


### Symbol Overlay Maker

[App page](https://appshunter.io/ios/app/symbol-overlay-maker/id1510255596)

Easily create printable symbol overlays for communication devices and switches. Supports core words, classroom activities, and home communication with a large symbol library.

**Highlights:** Create printable symbol overlays, Supports speech devices and switches, Includes SymbolStix symbol set, Supports core words and activities, Printable for home and classroom use

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

**In-app purchases:** none


## Frequently asked questions

### Is TD Snap® free?

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

### Is Symbol Overlay Maker free?

Symbol Overlay Maker is free to download, with no in-app purchases.

### Which has better reviews, TD Snap® or Symbol Overlay Maker?

TD Snap® is rated higher. TD Snap® averages 4.2 out of 5 from 810 ratings, while Symbol Overlay Maker averages 2.0 from 2 ratings.

### Do TD Snap® or Symbol Overlay Maker have ads?

Neither TD Snap® nor Symbol Overlay Maker shows ads.

### Which is updated more often, TD Snap® or Symbol Overlay Maker?

TD Snap® ships an update every 2 months, and Symbol Overlay Maker every 6 months. Most recently, TD Snap® was updated on September 21, 2026 and Symbol Overlay Maker on September 23, 2026.

---

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