# Symbol Overlay Maker vs TD CoPilot

The clearest difference is rating: TD CoPilot at 3.7 against Symbol Overlay Maker's 2.0. TD CoPilot also leads on update cadence (every 2 months vs every 6 months). Symbol Overlay Maker's advantage is iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TD CoPilot holds the better App Store score, 3.7 against 2.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Symbol Overlay Maker ships an update every 6 months, TD CoPilot every 2 months. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Symbol Overlay Maker | TD CoPilot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/symbol-overlay-maker/id1510255596/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/td-copilot/id1553068329/reviews)** |
| Number of ratings | 2 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 142 MB | 57 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [AbleNet](https://appshunter.io/developer/390532170) | [Tobii Dynavox LLC](https://appshunter.io/developer/446210474) |

## What reviewers say

### 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


### TD CoPilot

[App page](https://appshunter.io/ios/app/td-copilot/id1553068329)

This app calibrates eye tracking devices for optimal performance and user experience. It also provides access to device settings, firmware updates, and battery status information.

**Highlights:** Eye tracker calibration, Device settings customization, Firmware update tracking, Application version display, Battery status verification

**In-app purchases:** none


## Frequently asked questions

### Is Symbol Overlay Maker free?

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

### Is TD CoPilot free?

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

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

TD CoPilot is rated higher. Symbol Overlay Maker averages 2.0 out of 5 from 2 ratings, while TD CoPilot averages 3.7 from 3 ratings.

### Do Symbol Overlay Maker or TD CoPilot have ads?

Neither Symbol Overlay Maker nor TD CoPilot shows ads.

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

Symbol Overlay Maker ships an update every 6 months, and TD CoPilot every 2 months. Most recently, Symbol Overlay Maker was updated on September 23, 2026 and TD CoPilot on June 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.*