# HearBuilder Sequencing vs BDI

The clearest difference is rating: HearBuilder Sequencing at 2.9 against BDI's 2.3. HearBuilder Sequencing also leads on device support (3 vs 1). BDI's advantage is monetization model (free vs ad-supported) and iOS requirement (13.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

HearBuilder Sequencing holds the better App Store score, 2.9 against 2.3. Both are backed by a comparable volume of ratings — 17 and 6 respectively.

HearBuilder Sequencing ships an update every 3 months, BDI every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HearBuilder Sequencing | BDI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (17 ratings)](https://appshunter.io/ios/app/hearbuilder-sequencing/id731924449/reviews)** | [2.3 (6 ratings)](https://appshunter.io/ios/app/bdi-3-mobile-data-solution/id1532433975/reviews) |
| Number of ratings | **17** | 6 |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 328 MB | 208 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Super Duper Publications](https://appshunter.io/developer/427263142) | [RiversideInsights](https://appshunter.io/developer/1483738140) |

## What reviewers say

### HearBuilder Sequencing

[App page](https://appshunter.io/ios/app/hearbuilder-sequencing/id731924449)

This educational app helps children develop sequencing skills through interactive activities and games. It offers customizable levels and progress tracking for multiple students, progressing from simple 2-step sequences to more complex 6-step tasks.

**Highlights:** Illustrated sequencing activities, Progressive difficulty levels (2-6 steps), Reward arcade games, Progress monitoring and data tracking, Customizable settings and reports, Audio and text options

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

**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 HearBuilder Sequencing free?

HearBuilder Sequencing 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, HearBuilder Sequencing or BDI?

HearBuilder Sequencing is rated higher. HearBuilder Sequencing averages 2.9 out of 5 from 17 ratings, while BDI averages 2.3 from 6 ratings.

### Do HearBuilder Sequencing or BDI have ads?

Neither HearBuilder Sequencing nor BDI shows ads.

### Which is updated more often, HearBuilder Sequencing or BDI?

HearBuilder Sequencing ships an update every 3 months, and BDI every 2 months. Most recently, HearBuilder Sequencing was updated on November 6, 2026 and BDI on November 3, 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.*