# WJ IV Scoring & Reporting vs BDI

The clearest difference is update cadence: BDI at every 2 months against WJ IV Scoring & Reporting's every 17 months. BDI also leads on rating (2.3 vs 1.9). WJ IV Scoring & Reporting's advantage is device support (3 vs 1) and iOS requirement (7.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BDI holds the better App Store score, 2.3 against 1.9. Both are backed by a comparable volume of ratings — 16 and 6 respectively.

WJ IV Scoring & Reporting ships an update every 17 months, BDI every 2 months. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | WJ IV Scoring & Reporting | BDI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (16 ratings)](https://appshunter.io/ios/app/wj-iv-scoring-and-reporting/id1024909280/reviews) | **[2.3 (6 ratings)](https://appshunter.io/ios/app/bdi-3-mobile-data-solution/id1532433975/reviews)** |
| Number of ratings | **16** | 6 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 56 MB | 208 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Houghton Mifflin Harcourt](https://appshunter.io/developer/409368007) | [RiversideInsights](https://appshunter.io/developer/1483738140) |

## What reviewers say

### WJ IV Scoring & Reporting

[App page](https://appshunter.io/ios/app/wj-iv-scoring-and-reporting/id1024909280)

This app allows registered users of a web-based assessment platform to manage testing tasks on mobile devices. It enables score entry for specific tests and generates score reports. Data can be synced back to the main online platform.

**Highlights:** Create examinees and enter scores, Run score reports, Sync data to online platform, Manage assessment tasks on mobile, Inactivity timeout warnings, Score entry for Qualitative Observations

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 WJ IV Scoring & Reporting free?

WJ IV Scoring & Reporting is free to download, with no in-app purchases.

### Is BDI free?

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

### Which has better reviews, WJ IV Scoring & Reporting or BDI?

BDI is rated higher. WJ IV Scoring & Reporting averages 1.9 out of 5 from 16 ratings, while BDI averages 2.3 from 6 ratings.

### Do WJ IV Scoring & Reporting or BDI have ads?

Neither WJ IV Scoring & Reporting nor BDI shows ads.

### Which is updated more often, WJ IV Scoring & Reporting or BDI?

WJ IV Scoring & Reporting ships an update every 17 months, and BDI every 2 months. Most recently, WJ IV Scoring & Reporting was updated on October 10, 2026 and BDI 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.*