# Auditory Processing Studio vs BITS Lab

The clearest difference is review sentiment: BITS Lab at 67% against Auditory Processing Studio's 0%. BITS Lab also leads on price (Free vs $29.99) and rating (4.2 vs 2.0). Auditory Processing Studio's advantage is iOS requirement (7.0 vs 9.0). On ads, in-app purchases and device support there is nothing between them.

BITS Lab is free to download; Auditory Processing Studio costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BITS Lab holds the better App Store score, 4.2 against 2.0. Both are backed by a comparable volume of ratings — 3 and 14 respectively. Written reviews point the same way: 0% of Auditory Processing Studio's written reviews are positive against 67% of BITS Lab's.

Auditory Processing Studio ships an update every 6 months, BITS Lab every 2 months. The most recent releases landed on September 18, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Auditory Processing Studio | BITS Lab |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/auditory-processing-studio/id601557677/reviews) | **[4.2 (14 ratings)](https://appshunter.io/ios/app/bits-lab-start/id1198658004/reviews)** |
| Number of ratings | 3 | **14** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 361 MB | 66 MB |
| Requires iOS | **7.0** | 9.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Virtual Speech Center Inc.](https://appshunter.io/developer/455333785) | [Tara McAllister](https://appshunter.io/developer/1198658003) |

## What reviewers say

### Auditory Processing Studio

[App page](https://appshunter.io/ios/app/auditory-processing-studio/id601557677)

This app targets auditory processing disorders with research-based activities for auditory discrimination, closure, and phonological awareness. It offers over 2,400 exercises with adjustable difficulty and background noise options, suitable for both children and adults.

**Highlights:** Auditory discrimination exercises, Auditory closure activities, Phonological awareness training, Background noise simulation, Multiple student profiles, Progress tracking and scoring, Customizable difficulty levels

**Features:** macOS Compatibility

**In-app purchases:** none


### BITS Lab

[App page](https://appshunter.io/ios/app/bits-lab-start/id1198658004)

This app uses visual biofeedback to help users, particularly children and adolescents, correct speech errors related to the American English 'r' sound. It offers guided practice, adaptive challenges, and progress tracking for effective speech therapy.

**Highlights:** Visual biofeedback for speech correction, Tutorial for biofeedback interpretation, Free play mode for 'r' practice, Adaptive quest mode for increasing difficulty, Quiz mode for progress tracking, Visual rewards for improvement, Clinician dashboard for progress monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Auditory Processing Studio free?

Auditory Processing Studio costs $29.99, with no in-app purchases.

### Is BITS Lab free?

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

### Which has better reviews, Auditory Processing Studio or BITS Lab?

BITS Lab is rated higher. Auditory Processing Studio averages 2.0 out of 5 from 3 ratings, while BITS Lab averages 4.2 from 14 ratings.

### Do Auditory Processing Studio or BITS Lab have ads?

Neither Auditory Processing Studio nor BITS Lab shows ads.

### Which is updated more often, Auditory Processing Studio or BITS Lab?

Auditory Processing Studio ships an update every 6 months, and BITS Lab every 2 months. Most recently, Auditory Processing Studio was updated on September 18, 2026 and BITS Lab 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.*