# BITS Lab vs SLP Test Prep

The clearest difference is in-app purchases: BITS Lab at none against SLP Test Prep's 1. BITS Lab also leads on iOS requirement (9.0 vs 15.1). SLP Test Prep's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. SLP Test Prep sells 1 one-off in-app purchase. BITS Lab asks for nothing beyond the download.

## The numbers

| Metric | BITS Lab | SLP Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (14 ratings)](https://appshunter.io/ios/app/bits-lab-start/id1198658004/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 66 MB | 16 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Tara McAllister](https://appshunter.io/developer/1198658003) | [SLP Test Prep](https://appshunter.io/developer/1875366120) |

## 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


### SLP Test Prep

[App page](https://appshunter.io/ios/app/slp-test-prep/id6758863917)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $59.99 | one-time |


## Frequently asked questions

### Is BITS Lab free?

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

### Is SLP Test Prep free?

SLP Test Prep is free to download, with in-app purchases available.

### Do BITS Lab or SLP Test Prep have ads?

Neither BITS Lab nor SLP Test Prep shows ads.

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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.*