# RadSounds Cause/Effect Lite vs Symbol Overlay Maker

The clearest difference is rating: RadSounds Cause/Effect Lite at 5.0 against Symbol Overlay Maker's 2.3. RadSounds Cause/Effect Lite also leads on iOS requirement (8.0 vs 13.0). Symbol Overlay Maker's advantage is in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. RadSounds Cause/Effect Lite sells 1 one-off in-app purchase. Symbol Overlay Maker asks for nothing beyond the download.

RadSounds Cause/Effect Lite holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

RadSounds Cause/Effect Lite ships an update every 11 months, Symbol Overlay Maker every 6 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RadSounds Cause/Effect Lite | Symbol Overlay Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/radsounds-causeeffect-lite/id521282295/reviews)** | [2.3 (4 ratings)](https://appshunter.io/ios/app/symbol-overlay-maker/id1510255596/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 114 MB | 142 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [RJ Cooper & Associates, Inc.](https://appshunter.io/developer/412790299) | [AbleNet](https://appshunter.io/developer/390532170) |

## What reviewers say

### RadSounds Cause/Effect Lite

[App page](https://appshunter.io/ios/app/radsounds-causeeffect-lite/id521282295)

This educational app allows users to create custom music playlists by recording, importing, or using provided songs. It offers various playback modes, including momentary, timed, and playlist cycling, and is switch-friendly for users with physical challenges.

**Highlights:** Customizable music playlists, Record or import music, Momentary playback mode, Timed playback mode, Playlist cycling mode, Switch-friendly access

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RadSounds Full Upgrade | $4.99 | one-time |


### 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 RadSounds Cause/Effect Lite free?

RadSounds Cause/Effect Lite 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, RadSounds Cause/Effect Lite or Symbol Overlay Maker?

RadSounds Cause/Effect Lite is rated higher. RadSounds Cause/Effect Lite averages 5.0 out of 5 from 2 ratings, while Symbol Overlay Maker averages 2.3 from 4 ratings.

### Do RadSounds Cause/Effect Lite or Symbol Overlay Maker have ads?

Neither RadSounds Cause/Effect Lite nor Symbol Overlay Maker shows ads.

### Which is updated more often, RadSounds Cause/Effect Lite or Symbol Overlay Maker?

RadSounds Cause/Effect Lite ships an update every 11 months, and Symbol Overlay Maker every 6 months. Most recently, RadSounds Cause/Effect Lite was updated on October 29, 2026 and Symbol Overlay Maker 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.*