# RadSounds Cause/Effect Lite vs Read to Learn Lite

The clearest difference is rating: RadSounds Cause/Effect Lite at 5.0 against Read to Learn Lite's 1.0. RadSounds Cause/Effect Lite also leads on iOS requirement (8.0 vs 12.0). Read to Learn Lite's advantage is update cadence (every 3 months vs every 11 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. RadSounds Cause/Effect Lite sells 1 one-off in-app purchase and Read to Learn Lite sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

RadSounds Cause/Effect Lite holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

RadSounds Cause/Effect Lite ships an update every 11 months, Read to Learn Lite every 3 months. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | RadSounds Cause/Effect Lite | Read to Learn Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/radsounds-causeeffect-lite/id521282295/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/read-to-learn-lite/id736050903/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 114 MB | 301 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 9+ |
| Developer | [RJ Cooper & Associates, Inc.](https://appshunter.io/developer/412790299) | [Attainment Company](https://appshunter.io/developer/403989333) |

## 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 |


### Read to Learn Lite

[App page](https://appshunter.io/ios/app/read-to-learn-lite/id736050903)

This app offers interactive books and comprehension exercises designed to teach essential literacy and life skills to adolescents and adults with developmental disabilities. It features professional narration, highlighted text, and the ability to hear word pronunciations and definitions.

**Highlights:** Interactive illustrated books, Professional narration with text highlighting, Word pronunciation and definition lookup, Comprehension exercises with hint feature, Stores and prints test results, Supports independent living skills, Accessible with switches

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Life Skill Readers | $13.99 | one-time |
| Focus on Feelings | $13.99 | one-time |
| Safety Skills Reader | $13.99 | one-time |


## Frequently asked questions

### Is RadSounds Cause/Effect Lite free?

RadSounds Cause/Effect Lite is free to download, with in-app purchases available.

### Is Read to Learn Lite free?

Read to Learn Lite is free to download, with in-app purchases available.

### Which has better reviews, RadSounds Cause/Effect Lite or Read to Learn Lite?

RadSounds Cause/Effect Lite is rated higher. RadSounds Cause/Effect Lite averages 5.0 out of 5 from 2 ratings, while Read to Learn Lite averages 1.0 from 1 ratings.

### Do RadSounds Cause/Effect Lite or Read to Learn Lite have ads?

Neither RadSounds Cause/Effect Lite nor Read to Learn Lite shows ads.

### Which is updated more often, RadSounds Cause/Effect Lite or Read to Learn Lite?

RadSounds Cause/Effect Lite ships an update every 11 months, and Read to Learn Lite every 3 months. Most recently, RadSounds Cause/Effect Lite was updated on October 14, 2026 and Read to Learn Lite on September 29, 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.*