# Readability vs Flash Words

The clearest difference is in-app purchases: Flash Words at none against Readability's 2. Flash Words also leads on update cadence (every 4 days vs fortnightly). Readability's advantage is chart position (#155 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Readability sells 2 in-app purchases, starting at $19.99 per month. Flash Words asks for nothing beyond the download.

Readability ships an update fortnightly, Flash Words every 4 days. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Readability | Flash Words |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (24K ratings)](https://appshunter.io/ios/app/readability-learn-to-read/id1477213383/reviews)** | — |
| Number of ratings | **24K** | — |
| Positive reviews | 55.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Subscription | — |
| Best chart rank | **#155** | — |
| Size | 282 MB | 40 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [e4site Inc.](https://appshunter.io/developer/1477213382) | [Kristina Longmuir](https://appshunter.io/developer/6788748637) |

## What reviewers say

### Readability

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

**Currently charting:** #155 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


### Flash Words

[App page](https://appshunter.io/ios/app/flash-words-reading-practice/id6789767978)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Readability free?

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

### Is Flash Words free?

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

### Do Readability or Flash Words have ads?

Neither Readability nor Flash Words shows ads.

### Which is updated more often, Readability or Flash Words?

Readability ships an update fortnightly, and Flash Words every 4 days. Most recently, Readability was updated on October 3, 2026 and Flash Words on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*