# Reading Speed/Fluency Builder. vs Readability

The clearest difference is price: Readability at Free against Reading Speed/Fluency Builder.'s $8.99. Readability also leads on update cadence (fortnightly vs every 4 months) and ratings volume (24K vs 3). Reading Speed/Fluency Builder.'s advantage is in-app purchases (none vs 2) and rating (5.0 vs 4.6). On ads and device support there is nothing between them.

Readability is free to download; Reading Speed/Fluency Builder. costs $8.99 up front. Readability sells 2 in-app purchases, starting at $19.99 per month. Reading Speed/Fluency Builder. asks for nothing beyond the download.

Reading Speed/Fluency Builder. holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Readability has 24K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of Reading Speed/Fluency Builder.'s written reviews are positive against 56% of Readability's.

Reading Speed/Fluency Builder. ships an update every 4 months, Readability fortnightly. The most recent releases landed on September 8, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Reading Speed/Fluency Builder. | Readability |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/reading-speedfluency-builder/id1080259481/reviews)** | [4.6 (24K ratings)](https://appshunter.io/ios/app/readability-learn-to-read/id1477213383/reviews) |
| Number of ratings | 3 | **24K** |
| Positive reviews | **75.0% of reviews** | 55.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Paid** | Subscription |
| Best chart rank | — | **#168** |
| Size | 39 MB | 264 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [e4site Inc.](https://appshunter.io/developer/1477213382) |

## What reviewers say

### Reading Speed/Fluency Builder.

[App page](https://appshunter.io/ios/app/reading-speedfluency-builder/id1080259481)

This app helps children and adults improve reading speed and fluency through a game-like environment. It offers graduated practice, audio support, and a reward system to motivate learners. Designed for various needs, it progresses users from early elementary to fifth-grade reading levels.

**Highlights:** Graduated reading practice, Mastery-based progression, Audio support for fluent reading, 'At a glance' progress reporting, Fun Reward Center, Supports multiple reading levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Readability

[App page](https://appshunter.io/ios/app/readability-learn-to-read/id1477213383)

**Currently charting:** #168 Top Grossing · Education (US App Store)

This app uses AI-powered voice technology to provide personalized reading tutoring for children. It listens as kids read aloud, offers pronunciation correction, and assesses comprehension through interactive questions. The app also builds vocabulary and allows parents to track progress.

**Highlights:** AI-powered voice recognition for reading practice, Real-time pronunciation correction, Interactive voice-based comprehension questions, Personalized vocabulary lists, Parent dashboard for progress tracking, Engaging grade-level stories with illustrations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Readability Tutor | $19.99 | per month |
| Readability Tutor Annual | $139.99 | per year |

**What reviewers like**

- 👍 Helpful for struggling readers
- 🚀 Improves reading fluency
- 💡 Engaging for kids
- 👍 Useful data and progress tracking

**What reviewers complain about**

- 🐛 Voice recognition issues
- 🐛 Inaccurate comprehension tests
- 💰 Expensive subscription
- 🐛 Glitchy performance

**Reported bugs**

- App charges for free trial
- Subscription cancellation issues
- Inconsistent app behavior
- Compatibility problems on some devices

**Requested features**

- More customization options for text and background
- Improved voice recognition accuracy
- Expanded book selection
- Better comprehension testing


## Frequently asked questions

### Is Reading Speed/Fluency Builder. free?

Reading Speed/Fluency Builder. costs $8.99, with no in-app purchases.

### Is Readability free?

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

### Which has better reviews, Reading Speed/Fluency Builder. or Readability?

Reading Speed/Fluency Builder. is rated higher. Reading Speed/Fluency Builder. averages 5.0 out of 5 from 3 ratings, while Readability averages 4.6 from 24K ratings.

### Do Reading Speed/Fluency Builder. or Readability have ads?

Neither Reading Speed/Fluency Builder. nor Readability shows ads.

### Which is updated more often, Reading Speed/Fluency Builder. or Readability?

Reading Speed/Fluency Builder. ships an update every 4 months, and Readability fortnightly. Most recently, Reading Speed/Fluency Builder. was updated on September 8, 2026 and Readability on September 25, 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.*