# Problem Size vs Brain Personal Trainer LB

The clearest difference is in-app purchases: Problem Size at none against Brain Personal Trainer LB's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Brain Personal Trainer LB sells 2 one-off in-app purchases. Problem Size asks for nothing beyond the download.

## The numbers

| Metric | Problem Size | Brain Personal Trainer LB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/problem-size/id6793290591/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Free | — |
| Size | 394 MB | 8 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sherry Chen](https://appshunter.io/developer/6793290593) | [Luigi Banfi](https://appshunter.io/developer/6782624609) |

## What reviewers say

### Problem Size

[App page](https://appshunter.io/ios/app/problem-size/id6793290591)

This app uses cartoon videos and an AI buddy to teach children how to assess social situations and react appropriately. It categorizes scenarios into Glitches, Bummers, and Disasters, offering real-time feedback and rewards for regular practice. A parent dashboard allows for progress tracking.

**Highlights:** Cartoon-styled video library, Categorize social situations, AI-powered feedback, Award and streak system, Parent progress dashboard, Learn social reaction skills

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Personal Trainer LB

[App page](https://appshunter.io/ios/app/brain-personal-trainer-lb/id6808269422)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus 2 Pack | $1.99 | one-time |
| Brain Personal Trainer Pro | $3.99 | one-time |


## Frequently asked questions

### Is Problem Size free?

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

### Is Brain Personal Trainer LB free?

Brain Personal Trainer LB is free to download, with in-app purchases available.

### Do Problem Size or Brain Personal Trainer LB have ads?

Neither Problem Size nor Brain Personal Trainer LB 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.*