# Voice Aloud Reader vs Stack Testers Flow Friend

The clearest difference is review sentiment: Voice Aloud Reader at 59% against Stack Testers Flow Friend's 0%. Voice Aloud Reader also leads on update cadence (every 2 months vs every 8 months). Stack Testers Flow Friend's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Voice Aloud Reader sells 4 in-app purchases, starting at $9.99 per month. Stack Testers Flow Friend asks for nothing beyond the download.

Voice Aloud Reader ships an update every 2 months, Stack Testers Flow Friend every 8 months. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Voice Aloud Reader | Stack Testers Flow Friend |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (19K ratings)](https://appshunter.io/ios/app/voice-aloud-reader/id1446876360/reviews)** | — |
| Number of ratings | **19K** | — |
| Positive reviews | **58.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 74 MB | 32 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Marcin Olawski](https://appshunter.io/developer/992268205) | [Lewis Holmes](https://appshunter.io/developer/1454834389) |

## What reviewers say

### Voice Aloud Reader

[App page](https://appshunter.io/ios/app/voice-aloud-reader/id1446876360)

This application transforms written text into spoken words, making it ideal for those who are busy or have difficulty reading. It supports a wide range of document types and languages, offering a customizable listening experience.

**Highlights:** Reads text aloud, Supports various document formats, Over 40 languages supported, Customizable reading speed, pitch, and volume, Customizable interface and read modes, File sharing via iCloud/iTunes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro + Premium Voices 1m | $9.99 | per month |
| Premium OCR 100 | $0.99 | one-time |
| Premium OCR 800 | $1.99 | one-time |
| Pro version | $8.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Reads text quickly
- 💡 Helpful for people with reading disabilities
- 🤑 Good value for the price
- 🎉 Excellent text-to-speech quality

**What reviewers complain about**

- 🐛 Inconsistent behavior when pausing/resuming
- 🤖 Robotic-sounding voices
- 💰 Subscription model too expensive
- 🔍 Difficulty finding place in long documents
- 🤷‍♀️ Limited customization options

**Reported bugs**

- Randomly jumps to different sections of text
- Struggles with formatting of multi-column documents
- Occasional crashes when switching between apps

**Requested features**

- Add bookmarking/resume functionality
- Improve voice quality and pronunciation
- Allow custom voice speed increments
- Implement a way to delete documents from library
- Add support for iBooks library integration


### Stack Testers Flow Friend

[App page](https://appshunter.io/ios/app/stack-testers-flow-friend/id1454834655)

This mobile toolkit assists environmental engineers with on-site calculations for stack testing. Quickly determine velocity and volume flow by inputting stack size and gas conditions, eliminating the need for manual calculations or laptops. It also aids in calculating differential pressure cell mA output for data logging.

**Highlights:** Velocity and volume flow calculations, Input stack size and gas conditions, Differential pressure cell mA output calculation, Preloaded Engineers Note Book content, On-site calculation tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voice Aloud Reader free?

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

### Is Stack Testers Flow Friend free?

Stack Testers Flow Friend is free to download, with no in-app purchases.

### Do Voice Aloud Reader or Stack Testers Flow Friend have ads?

Voice Aloud Reader shows ads; Stack Testers Flow Friend does not.

### Which is updated more often, Voice Aloud Reader or Stack Testers Flow Friend?

Voice Aloud Reader ships an update every 2 months, and Stack Testers Flow Friend every 8 months. Most recently, Voice Aloud Reader was updated on October 14, 2026 and Stack Testers Flow Friend on October 5, 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.*