# TTS vs ShieldFlow

The clearest difference is in-app purchases: TTS at none against ShieldFlow's 2. ShieldFlow's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. ShieldFlow sells 2 in-app purchases, starting at $6.99 per month. TTS asks for nothing beyond the download.

## The numbers

| Metric | TTS | ShieldFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/tts-plus-text-to-speech-2026/id6759071096/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Monetization | Free | — |
| Size | 3 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Arya Mohajer](https://appshunter.io/developer/1802980748) | [Angela Freeman](https://appshunter.io/developer/1885394844) |

## What reviewers say

### TTS

[App page](https://appshunter.io/ios/app/tts-plus-text-to-speech-2026/id6759071096)

Convert documents into natural-sounding audio with this voice reader. Listen to PDFs and other text files on your device, perfect for studying, working, or multitasking. Enjoy a clean interface and privacy-focused, on-device processing.

**Highlights:** Free text to speech reader, Read PDF files directly, Natural AI-powered voice, On-device processing for privacy, Play, pause, and resume audio, Distraction-free interface

**In-app purchases:** none


### ShieldFlow

[App page](https://appshunter.io/ios/app/shieldflow/id6764619570)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShieldFlow Pro | $6.99 | per month |
| ShieldFlow Pro | $49.99 | per year |


## Frequently asked questions

### Is TTS free?

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

### Is ShieldFlow free?

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

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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.*