# Writing Wizard vs BDI

The clearest difference is price: BDI at Free against Writing Wizard's $13.99. BDI also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (13.0 vs 15.6). Writing Wizard's advantage is rating (4.3 vs 2.3) and ratings volume (3.3K vs 6). On ads and in-app purchases there is nothing between them.

BDI is free to download; Writing Wizard costs $13.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Writing Wizard holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: Writing Wizard has 3.3K ratings behind it against 6, so its average is the more settled of the two.

Writing Wizard ships an update every 4 months, BDI every 2 months. The most recent releases landed on September 23, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Writing Wizard | BDI |
| --- | --- | --- |
| Price | $13.99 | **Free** |
| Rating | **[4.3 (3.3K ratings)](https://appshunter.io/ios/app/writing-wizard-school-ed/id631446426/reviews)** | [2.3 (6 ratings)](https://appshunter.io/ios/app/bdi-3-mobile-data-solution/id1532433975/reviews) |
| Number of ratings | **3.3K** | 6 |
| Positive reviews | 90.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 69 MB | 208 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pierre Abel](https://appshunter.io/developer/367460664) | [RiversideInsights](https://appshunter.io/developer/1483738140) |

## What reviewers say

### Writing Wizard

[App page](https://appshunter.io/ios/app/writing-wizard-school-ed/id631446426)

This app helps children learn to trace letters, numbers, and words with a fun, motivating system. It offers customizable tracing, interactive games, and progress reports for parents and educators.

**Highlights:** Customizable tracing practice, Interactive games and rewards, Letter names and phonics, Create custom word lists, Progress reports, Printable worksheets

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Customizable word lists and recording
- 🎨 Engaging graphics and animations
- 🏫 Great for teaching handwriting and spelling
- 🔒 No ads or in-app purchases
- 🎓 Helpful for children with special needs

**What reviewers complain about**

- 🐛 Occasional crashes or freezing
- 🔤 Limited font options, especially for UK users
- 🔒 Difficulty accessing parental controls
- 🖋️ Apple Pencil not supported
- 🔄 Difficulty clearing tracing history

**Reported bugs**

- Incorrect letter formation for some characters
- Inconsistent performance on older devices

**Requested features**

- Add more font options, including cursive and UK-specific styles
- Improve parental control accessibility
- Integrate Apple Pencil support
- Allow easier clearing of tracing history
- Expand character support (e.g., Latin Extended, Cyrillic, Arabic)


### BDI

[App page](https://appshunter.io/ios/app/bdi-3-mobile-data-solution/id1532433975)

This application assists in administering clinical assessments for child development. It offers guided digital support for scoring, timers, and reporting, functioning both online and offline. Users can manage student data and sync assessments for web-based access.

**Highlights:** Online and offline assessment administration, Guided digital scoring assistance, Basal and ceiling indicators, Built-in timers, Modular reporting options, Student data management

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Writing Wizard free?

Writing Wizard costs $13.99, with no in-app purchases.

### Is BDI free?

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

### Which has better reviews, Writing Wizard or BDI?

Writing Wizard is rated higher. Writing Wizard averages 4.3 out of 5 from 3.3K ratings, while BDI averages 2.3 from 6 ratings.

### Do Writing Wizard or BDI have ads?

Neither Writing Wizard nor BDI shows ads.

### Which is updated more often, Writing Wizard or BDI?

Writing Wizard ships an update every 4 months, and BDI every 2 months. Most recently, Writing Wizard was updated on September 23, 2026 and BDI on August 22, 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.*