# CAS vs Text to Speech

The clearest difference is in-app purchases: CAS at none against Text to Speech's 3. CAS also leads on iOS requirement (12.0 vs 15.5). Text to Speech's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Text to Speech sells 3 in-app purchases, starting at $2.99 per 7 days. CAS asks for nothing beyond the download.

CAS ships an update every 2 months, Text to Speech fortnightly. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CAS | Text to Speech |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 67 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [EMERG SOLUTIONS PTY LTD](https://appshunter.io/developer/1763935640) | [DEVSRANK](https://appshunter.io/developer/1716669578) |

## What reviewers say

### CAS

[App page](https://appshunter.io/ios/app/cas/id1209907915)

**Features:** macOS Compatibility

**In-app purchases:** none


### Text to Speech

[App page](https://appshunter.io/ios/app/text-to-speech-narrova/id6755509921)

This app converts written text into natural-sounding audio using AI voices. Listen to documents, books, or scanned pages hands-free, supporting multiple languages and offering custom playback controls.

**Highlights:** Text to Speech Converter, PDF Reader with Voice, Scan to Read, AI Voice Technology, Multilingual Support, Custom Playback Controls

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HearText Weekly | $2.99 | per 7 days |
| HearText Yearly Disc | $7.99 | per year |
| HearText Yearly | $14.99 | per year |


## Frequently asked questions

### Is CAS free?

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

### Is Text to Speech free?

Text to Speech is free to download, with in-app purchases available.

### Do CAS or Text to Speech have ads?

Neither CAS nor Text to Speech shows ads.

### Which is updated more often, CAS or Text to Speech?

CAS ships an update every 2 months, and Text to Speech fortnightly. Most recently, CAS was updated on October 5, 2026 and Text to Speech 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.*