# PDF Voice Reader vs Flex Tools

The clearest difference is in-app purchases: Flex Tools at none against PDF Voice Reader's 16. Flex Tools also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. PDF Voice Reader sells 16 in-app purchases, starting at $4.99 per month. Flex Tools asks for nothing beyond the download.

PDF Voice Reader ships an update every 3 weeks, Flex Tools every 2 days. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | PDF Voice Reader | Flex Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (955 ratings)](https://appshunter.io/ios/app/pdf-voice-reader-docs-aloud/id1129900267/reviews)** | — |
| Number of ratings | **955** | — |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 108 MB |
| Requires iOS | 26 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Storch](https://appshunter.io/developer/335855086) | [Flexify Solutions Ltd](https://appshunter.io/developer/1345690495) |

## What reviewers say

### PDF Voice Reader

[App page](https://appshunter.io/ios/app/pdf-voice-reader-docs-aloud/id1129900267)

Convert documents like PDFs and Word files into natural-sounding audio. Listen on the go with background playback, customize your listening experience with adjustable speed and voices, and visually track spoken text with color highlighting. Supports cloud sync, translation, and scanning of paper documents.

**Highlights:** Background audio playback, Adjustable speech speed and voice, Color highlighting of spoken text, Cloud storage integration, Text translation, Document scanning to audio, Web content to speech

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |
| English US | $4.99 | one-time |
| English UK | $4.99 | one-time |
| English Irish | $4.99 | one-time |
| Czech | $4.99 | one-time |
| Portuguese Br | $4.99 | one-time |
| Russian | $4.99 | one-time |
| Spanish Mex | $4.99 | one-time |
| Spanish | $4.99 | one-time |
| English AU | $4.99 | one-time |
| French | $4.99 | one-time |
| Chinese | $4.99 | one-time |
| Italian | $4.99 | one-time |
| Portuguese | $4.99 | one-time |
| PDF Voice Reader Pro | $49.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient reading
- 📚 Useful for studying and multitasking

**What reviewers complain about**

- 🐛 Crashes and bugs
- 💰 Paid version still has ads
- 🔇 Poor voice quality
- 🤖 Robotic reading
- 🔍 Difficult to navigate and select reading position

**Reported bugs**

- App crashes frequently
- Paid version not working as expected
- Issues with syncing across devices
- Reading position not saved properly

**Requested features**

- Allow selecting reading start position
- Add more voice options and customization
- Improve page navigation and bookmarking
- Provide better customer support


### Flex Tools

[App page](https://appshunter.io/ios/app/flex-tools/id6458139910)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Voice Reader free?

PDF Voice Reader is free to download, with in-app purchases available.

### Is Flex Tools free?

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

### Do PDF Voice Reader or Flex Tools have ads?

PDF Voice Reader shows ads; Flex Tools does not.

### Which is updated more often, PDF Voice Reader or Flex Tools?

PDF Voice Reader ships an update every 3 weeks, and Flex Tools every 2 days. Most recently, PDF Voice Reader was updated on October 13, 2026 and Flex Tools 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.*