# BITS Lab vs Prosody Assessment

The clearest difference is update cadence: Prosody Assessment at every 2 weeks against BITS Lab's every 2 months. BITS Lab's advantage is iOS requirement (9.0 vs 14.5). On price, ads, in-app purchases and device support there is nothing between them.

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

BITS Lab ships an update every 2 months, Prosody Assessment every 2 weeks. Both last shipped on October 26, 2026.

## The numbers

| Metric | BITS Lab | Prosody Assessment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (16 ratings)](https://appshunter.io/ios/app/bits-lab-start/id1198658004/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 66 MB | 32 MB |
| Requires iOS | **9.0** | 14.5 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tara McAllister](https://appshunter.io/developer/1198658003) | [BioSpeech, Inc.](https://appshunter.io/developer/923094369) |

## What reviewers say

### 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


### Prosody Assessment

[App page](https://appshunter.io/ios/app/prosody-assessment-client/id1352111154)

**In-app purchases:** none


## Frequently asked questions

### Is BITS Lab free?

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

### Is Prosody Assessment free?

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

### Do BITS Lab or Prosody Assessment have ads?

Neither BITS Lab nor Prosody Assessment shows ads.

### Which is updated more often, BITS Lab or Prosody Assessment?

BITS Lab ships an update every 2 months, and Prosody Assessment every 2 weeks. Most recently, BITS Lab was updated on October 26, 2026 and Prosody Assessment on October 26, 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.*